Fix centos 7

.clang-tidy

@@ -6,7 +6,6 @@ Checks: '*,
          -altera-unroll-loops,
          -android-*,
          -cert-err58-cpp,
-         -cert-str34-c,
          -cppcoreguidelines-avoid-c-arrays,
          -cppcoreguidelines-avoid-goto,
          -cppcoreguidelines-avoid-magic-numbers,
@@ -50,7 +49,6 @@ Checks: '*,
          -misc-non-private-member-variables-in-classes,
          -modernize-avoid-c-arrays,
          -modernize-concat-nested-namespaces,
-         -modernize-loop-convert,
          -modernize-pass-by-value,
          -modernize-use-equals-default,
          -modernize-use-nodiscard,
@@ -63,9 +61,7 @@ Checks: '*,
          -readability-magic-numbers,
          -readability-named-parameter,
          -misc-no-recursion,
-         -concurrency-mt-unsafe,
-         -bugprone-easily-swappable-parameters'
-
+         -concurrency-mt-unsafe'
 WarningsAsErrors: ''
 HeaderFilterRegex: 'src/.*'
 AnalyzeTemporaryDtors: false
@@ -92,3 +88,4 @@ CheckOptions:
   - key:             modernize-use-nullptr.NullMacros
     value:           'NULL'
 ...
+

.githooks/pre-commit

@@ -24,6 +24,14 @@ for file in $modified_files; do
 
   git checkout-index --prefix="$tmpdir/" -- $file
 
+  echo "Running clang-format..."
+  $project_folder/tools/git-clang-format $tmpdir/$file
+  CODE=$?
+
+  if [ $CODE -ne 0 ]; then
+    break
+  fi
+
   # Do not break header checker
   echo "Running header checker..."
   $project_folder/tools/header-checker.py $tmpdir/$file $file --amend-year
@@ -31,6 +39,7 @@ for file in $modified_files; do
   if [ $CODE -ne 0 ]; then
     FAIL=1
   fi
+
 done;
 
 return ${FAIL}

.github/pull_request_template.md

@@ -3,9 +3,7 @@
 - [ ] Update [changelog](https://docs.memgraph.com/memgraph/changelog)
 - [ ] Write E2E tests
 - [ ] Compare the [benchmarking results](https://bench-graph.memgraph.com/) between the master branch and the Epic branch
-- [ ] Provide the full content or a guide for the final git message
 
 [master < Task] PR
 - [ ] Check, and update documentation if necessary
 - [ ] Update [changelog](https://docs.memgraph.com/memgraph/changelog)
-- [ ] Provide the full content or a guide for the final git message

.github/workflows/daily_benchmark.yaml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)

.github/workflows/diff.yaml

@@ -1,7 +1,4 @@
 name: Diff
-concurrency:
-  group: ${{ github.head_ref || github.sha }}
-  cancel-in-progress: true
 
 on:
   push:
@@ -26,7 +23,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -64,50 +61,20 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
           fetch-depth: 0
 
-        # This is also needed if we want do to comparison against other branches
-        # See https://github.community/t/checkout-code-fails-when-it-runs-lerna-run-test-since-master/17920
-      - name: Fetch all history for all tags and branches
-        run: git fetch
-
-      - name: Initialize deps
-        run: |
-          # Activate toolchain.
-          source /opt/toolchain-v4/activate
-          # Initialize dependencies.
-          ./init
-
-      - name: Set base branch
-        if: ${{ github.event_name == 'pull_request' }}
-        run: |
-          echo "BASE_BRANCH=origin/${{ github.base_ref }}" >> $GITHUB_ENV
-
-      - name: Set base branch # if we manually dispatch or push to master
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          echo "BASE_BRANCH=origin/master" >> $GITHUB_ENV
-
-      - name: Python code analysis
-        run: |
-          CHANGED_FILES=$(git diff -U0 ${{ env.BASE_BRANCH }}... --name-only)
-          for file in ${CHANGED_FILES}; do
-            echo ${file}
-            if [[ ${file} == *.py ]]; then
-              python3 -m black --check --diff ${file}
-              python3 -m isort --check-only --profile "black" --diff ${file}
-            fi
-          done
-
       - name: Build combined ASAN, UBSAN and coverage binaries
         run: |
           # Activate toolchain.
           source /opt/toolchain-v4/activate
 
+          # Initialize dependencies.
+          ./init
+
           cd build
           cmake -DTEST_COVERAGE=ON -DASAN=ON -DUBSAN=ON ..
           make -j$THREADS memgraph__unit
@@ -135,27 +102,17 @@ jobs:
           tar -czf code_coverage.tar.gz coverage.json html report.json summary.rmu
 
       - name: Save code coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/generated/code_coverage.tar.gz
 
-      - name: Set base branch
-        if: ${{ github.event_name == 'pull_request' }}
-        run: |
-          echo "BASE_BRANCH=origin/${{ github.base_ref }}" >> $GITHUB_ENV
-
-      - name: Set base branch # if we manually dispatch or push to master
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          echo "BASE_BRANCH=origin/master" >> $GITHUB_ENV
-
       - name: Run clang-tidy
         run: |
           source /opt/toolchain-v4/activate
 
           # Restrict clang-tidy results only to the modified parts
-          git diff -U0 ${{ env.BASE_BRANCH }}... -- src | ./tools/github/clang-tidy/clang-tidy-diff.py -p 1 -j $THREADS -extra-arg="-DMG_CLANG_TIDY_CHECK" -path build | tee ./build/clang_tidy_output.txt
+          git diff -U0 master... -- src ':!*.hpp' | ./tools/github/clang-tidy/clang-tidy-diff.py -p 1 -j $THREADS -path build | tee ./build/clang_tidy_output.txt
 
           # Fail if any warning is reported
           ! cat ./build/clang_tidy_output.txt | ./tools/github/clang-tidy/grep_error_lines.sh > /dev/null
@@ -170,7 +127,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -189,23 +146,52 @@ jobs:
           cmake ..
           make -j$THREADS
 
-      - name: Run simulation tests
+      - name: Run leftover CTest tests
         run: |
           # Activate toolchain.
           source /opt/toolchain-v4/activate
 
-          # Run simulation tests.
+          # Run leftover CTest tests (all except unit and benchmark tests).
           cd build
-          ctest -R memgraph__simulation --output-on-failure -j$THREADS
+          ctest -E "(memgraph__unit|memgraph__benchmark)" --output-on-failure
 
-      - name: Run single benchmark test
+      - name: Run drivers tests
+        run: |
+          ./tests/drivers/run.sh
+
+      - name: Run integration tests
+        run: |
+          cd tests/integration
+          for name in *; do
+            if [ ! -d $name ]; then continue; fi
+            pushd $name >/dev/null
+            echo "Running: $name"
+            if [ -x prepare.sh ]; then
+              ./prepare.sh
+            fi
+            if [ -x runner.py ]; then
+              ./runner.py
+            elif [ -x runner.sh ]; then
+              ./runner.sh
+            fi
+            echo
+            popd >/dev/null
+          done
+
+      - name: Run cppcheck and clang-format
         run: |
           # Activate toolchain.
           source /opt/toolchain-v4/activate
 
-          # Run simulation tests.
-          cd tests/mgbench
-          ./benchmark.py accesscontrol/small --num-workers-for-import 1 --test-system-arg  "split-file splitfiles/accesscontrol_small.shard_configuration bolt-num-workers 1"
+          # Run cppcheck and clang-format.
+          cd tools/github
+          ./cppcheck_and_clang_format diff
+
+      - name: Save cppcheck and clang-format errors
+        uses: actions/upload-artifact@v2
+        with:
+          name: "Code coverage"
+          path: tools/github/cppcheck_and_clang_format.txt
 
   release_build:
     name: "Release build"
@@ -217,7 +203,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -236,6 +222,19 @@ jobs:
           cmake -DCMAKE_BUILD_TYPE=release ..
           make -j$THREADS
 
+      - name: Run GQL Behave tests
+        run: |
+          cd tests/gql_behave
+          ./continuous_integration
+
+      - name: Save quality assurance status
+        uses: actions/upload-artifact@v2
+        with:
+          name: "GQL Behave Status"
+          path: |
+            tests/gql_behave/gql_behave_status.csv
+            tests/gql_behave/gql_behave_status.html
+
       - name: Run unit tests
         run: |
           # Activate toolchain.
@@ -245,24 +244,6 @@ jobs:
           cd build
           ctest -R memgraph__unit --output-on-failure -j$THREADS
 
-      - name: Run simulation tests
-        run: |
-          # Activate toolchain.
-          source /opt/toolchain-v4/activate
-
-          # Run simulation tests.
-          cd build
-          ctest -R memgraph__simulation --output-on-failure -j$THREADS
-
-      - name: Run single benchmark test
-        run: |
-          # Activate toolchain.
-          source /opt/toolchain-v4/activate
-
-          # Run simulation tests.
-          cd tests/mgbench
-          ./benchmark.py accesscontrol/small --num-workers-for-import 1 --test-system-arg  "split-file splitfiles/accesscontrol_small.shard_configuration bolt-num-workers 1"
-
       - name: Run e2e tests
         run: |
           # TODO(gitbuda): Setup mgclient and pymgclient properly.
@@ -270,4 +251,167 @@ jobs:
           ./setup.sh
           source ve3/bin/activate
           cd e2e
-          LD_LIBRARY_PATH=$LD_LIBRARY_PATH:../../libs/mgclient/lib python runner.py --workloads-root-directory ./distributed_queries
+          LD_LIBRARY_PATH=$LD_LIBRARY_PATH:../../libs/mgclient/lib python runner.py --workloads-root-directory .
+
+      - name: Run stress test (plain)
+        run: |
+          cd tests/stress
+          ./continuous_integration
+
+      - name: Run stress test (SSL)
+        run: |
+          cd tests/stress
+          ./continuous_integration --use-ssl
+
+      - name: Run durability test
+        run: |
+          cd tests/stress
+          source ve3/bin/activate
+          python3 durability --num-steps 5
+
+      - name: Create enterprise DEB package
+        run: |
+          # Activate toolchain.
+          source /opt/toolchain-v4/activate
+
+          cd build
+
+          # create mgconsole
+          # we use the -B to force the build
+          make -j$THREADS -B mgconsole
+
+          # Create enterprise DEB package.
+          mkdir output && cd output
+          cpack -G DEB --config ../CPackConfig.cmake
+
+      - name: Save enterprise DEB package
+        uses: actions/upload-artifact@v2
+        with:
+          name: "Enterprise DEB package"
+          path: build/output/memgraph*.deb
+
+      - name: Save test data
+        uses: actions/upload-artifact@v2
+        if: always()
+        with:
+          name: "Test data"
+          path: |
+            # multiple paths could be defined
+            build/logs
+
+  release_jepsen_test:
+    name: "Release Jepsen Test"
+    runs-on: [self-hosted, Linux, X64, Debian10, JepsenControl]
+    #continue-on-error: true
+    env:
+      THREADS: 24
+      MEMGRAPH_ENTERPRISE_LICENSE: ${{ secrets.MEMGRAPH_ENTERPRISE_LICENSE }}
+      MEMGRAPH_ORGANIZATION_NAME: ${{ secrets.MEMGRAPH_ORGANIZATION_NAME }}
+
+    steps:
+      - name: Set up repository
+        uses: actions/checkout@v2
+        with:
+          # Number of commits to fetch. `0` indicates all history for all
+          # branches and tags. (default: 1)
+          fetch-depth: 0
+
+      - name: Build release binaries
+        run: |
+          # Activate toolchain.
+          source /opt/toolchain-v4/activate
+
+          # Initialize dependencies.
+          ./init
+
+          # Build only memgraph release binarie.
+          cd build
+          cmake -DCMAKE_BUILD_TYPE=release ..
+          make -j$THREADS memgraph
+
+      - name: Run Jepsen tests
+        run: |
+          cd tests/jepsen
+          ./run.sh test --binary ../../build/memgraph --run-args "test-all --node-configs resources/node-config.edn" --ignore-run-stdout-logs --ignore-run-stderr-logs
+
+      - name: Save Jepsen report
+        uses: actions/upload-artifact@v2
+        if: ${{ always() }}
+        with:
+          name: "Jepsen Report"
+          path: tests/jepsen/Jepsen.tar.gz
+
+  release_benchmarks:
+    name: "Release benchmarks"
+    runs-on: [self-hosted, Linux, X64, Diff, Gen7]
+    env:
+      THREADS: 24
+      MEMGRAPH_ENTERPRISE_LICENSE: ${{ secrets.MEMGRAPH_ENTERPRISE_LICENSE }}
+      MEMGRAPH_ORGANIZATION_NAME: ${{ secrets.MEMGRAPH_ORGANIZATION_NAME }}
+
+    steps:
+      - name: Set up repository
+        uses: actions/checkout@v2
+        with:
+          # Number of commits to fetch. `0` indicates all history for all
+          # branches and tags. (default: 1)
+          fetch-depth: 0
+
+      - name: Build release binaries
+        run: |
+          # Activate toolchain.
+          source /opt/toolchain-v4/activate
+
+          # Initialize dependencies.
+          ./init
+
+          # Build only memgraph release binaries.
+          cd build
+          cmake -DCMAKE_BUILD_TYPE=release ..
+          make -j$THREADS
+
+      - name: Run macro benchmarks
+        run: |
+          cd tests/macro_benchmark
+          ./harness QuerySuite MemgraphRunner \
+            --groups aggregation 1000_create unwind_create dense_expand match \
+            --no-strict
+
+      - name: Get branch name (merge)
+        if: github.event_name != 'pull_request'
+        shell: bash
+        run: echo "BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | tr / -)" >> $GITHUB_ENV
+
+      - name: Get branch name (pull request)
+        if: github.event_name == 'pull_request'
+        shell: bash
+        run: echo "BRANCH_NAME=$(echo ${GITHUB_HEAD_REF} | tr / -)" >> $GITHUB_ENV
+
+      - name: Upload macro benchmark results
+        run: |
+          cd tools/bench-graph-client
+          virtualenv -p python3 ve3
+          source ve3/bin/activate
+          pip install -r requirements.txt
+          ./main.py --benchmark-name "macro_benchmark" \
+                    --benchmark-results-path "../../tests/macro_benchmark/.harness_summary" \
+                    --github-run-id "${{ github.run_id }}" \
+                    --github-run-number "${{ github.run_number }}" \
+                    --head-branch-name "${{ env.BRANCH_NAME }}"
+
+      - name: Run mgbench
+        run: |
+          cd tests/mgbench
+          ./benchmark.py --num-workers-for-benchmark 12 --export-results benchmark_result.json pokec/medium/*/*
+
+      - name: Upload mgbench results
+        run: |
+          cd tools/bench-graph-client
+          virtualenv -p python3 ve3
+          source ve3/bin/activate
+          pip install -r requirements.txt
+          ./main.py --benchmark-name "mgbench" \
+                    --benchmark-results-path "../../tests/mgbench/benchmark_result.json" \
+                    --github-run-id "${{ github.run_id }}" \
+                    --github-run-number "${{ github.run_number }}" \
+                    --head-branch-name "${{ env.BRANCH_NAME }}"

.github/workflows/full_clang_tidy.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -39,7 +39,7 @@ jobs:
           source /opt/toolchain-v4/activate
 
           # The results are also written to standard output in order to retain them in the logs
-          ./tools/github/clang-tidy/run-clang-tidy.py -p build -j $THREADS -extra-arg="-DMG_CLANG_TIDY_CHECK" -clang-tidy-binary=/opt/toolchain-v4/bin/clang-tidy "$PWD/src/*" |
+          ./tools/github/clang-tidy/run-clang-tidy.py -p build -j $THREADS -clang-tidy-binary=/opt/toolchain-v4/bin/clang-tidy "$PWD/src/*" |
             tee ./build/full_clang_tidy_output.txt
 
       - name: Summarize clang-tidy results

.github/workflows/package_all.yaml

@@ -6,79 +6,79 @@ on: workflow_dispatch
 
 jobs:
   centos-7:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package centos-7
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: centos-7
           path: build/output/centos-7/memgraph*.rpm
 
-  centos-9:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+  centos-8:
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
-          ./release/package/run.sh package centos-9
+          ./release/package/run.sh package centos-8
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
-          name: centos-9
-          path: build/output/centos-9/memgraph*.rpm
+          name: centos-8
+          path: build/output/centos-8/memgraph*.rpm
 
   debian-10:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package debian-10
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: debian-10
           path: build/output/debian-10/memgraph*.deb
 
   debian-11:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package debian-11
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: debian-11
           path: build/output/debian-11/memgraph*.deb
 
   docker:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
@@ -87,92 +87,58 @@ jobs:
           ./run.sh package debian-11 --for-docker
           ./run.sh docker
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: docker
           path: build/output/docker/memgraph*.tar.gz
 
   ubuntu-1804:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package ubuntu-18.04
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: ubuntu-1804
           path: build/output/ubuntu-18.04/memgraph*.deb
 
   ubuntu-2004:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package ubuntu-20.04
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: ubuntu-2004
           path: build/output/ubuntu-20.04/memgraph*.deb
 
-  ubuntu-2204:
-    runs-on: [self-hosted, DockerMgBuild, X64]
-    timeout-minutes: 60
-    steps:
-      - name: "Set up repository"
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0 # Required because of release/get_version.py
-      - name: "Build package"
-        run: |
-          ./release/package/run.sh package ubuntu-22.04
-      - name: "Upload package"
-        uses: actions/upload-artifact@v3
-        with:
-          name: ubuntu-2204
-          path: build/output/ubuntu-22.04/memgraph*.deb
-
   debian-11-platform:
-    runs-on: [self-hosted, DockerMgBuild, X64]
+    runs-on: [self-hosted, DockerMgBuild]
     timeout-minutes: 60
     steps:
       - name: "Set up repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Required because of release/get_version.py
       - name: "Build package"
         run: |
           ./release/package/run.sh package debian-11 --for-platform
       - name: "Upload package"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: debian-11-platform
           path: build/output/debian-11/memgraph*.deb
-
-  debian-11-arm:
-    runs-on: [self-hosted, DockerMgBuild, ARM64, strange]
-    timeout-minutes: 60
-    steps:
-      - name: "Set up repository"
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0 # Required because of release/get_version.py
-      - name: "Build package"
-        run: |
-          ./release/package/run.sh package debian-11-arm
-      - name: "Upload package"
-        uses: actions/upload-artifact@v3
-        with:
-          name: debian-11-arm
-          path: build/output/debian-11-arm/memgraph*.deb

.github/workflows/release_centos8.yaml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -97,7 +97,7 @@ jobs:
           tar -czf code_coverage.tar.gz coverage.json html report.json summary.rmu
 
       - name: Save code coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/generated/code_coverage.tar.gz
@@ -112,7 +112,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -173,7 +173,7 @@ jobs:
           ./cppcheck_and_clang_format diff
 
       - name: Save cppcheck and clang-format errors
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/cppcheck_and_clang_format.txt
@@ -189,7 +189,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -225,7 +225,7 @@ jobs:
           rpmlint memgraph*.rpm
 
       - name: Save enterprise RPM package
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Enterprise RPM package"
           path: build/output/memgraph*.rpm
@@ -262,7 +262,7 @@ jobs:
           ./continuous_integration
 
       - name: Save quality assurance status
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "GQL Behave Status"
           path: |

.github/workflows/release_debian10.yaml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -97,7 +97,7 @@ jobs:
           tar -czf code_coverage.tar.gz coverage.json html report.json summary.rmu
 
       - name: Save code coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/generated/code_coverage.tar.gz
@@ -112,7 +112,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -173,7 +173,7 @@ jobs:
           ./cppcheck_and_clang_format diff
 
       - name: Save cppcheck and clang-format errors
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/cppcheck_and_clang_format.txt
@@ -189,7 +189,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -224,7 +224,7 @@ jobs:
           cpack -G DEB --config ../CPackConfig.cmake
 
       - name: Save enterprise DEB package
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Enterprise DEB package"
           path: build/output/memgraph*.deb
@@ -261,7 +261,7 @@ jobs:
           ./continuous_integration
 
       - name: Save quality assurance status
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "GQL Behave Status"
           path: |
@@ -324,7 +324,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -349,7 +349,7 @@ jobs:
           ./run.sh test --binary ../../build/memgraph --run-args "test-all --node-configs resources/node-config.edn" --ignore-run-stdout-logs --ignore-run-stderr-logs
 
       - name: Save Jepsen report
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         if: ${{ always() }}
         with:
           name: "Jepsen Report"

.github/workflows/release_docker.yaml

@@ -1,69 +0,0 @@
-name: Publish Docker images
-
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: "Memgraph binary version to publish on DockerHub."
-        required: true
-      force_release:
-        type: boolean
-        required: false
-        default: false
-
-jobs:
-  docker_publish:
-    runs-on: ubuntu-latest
-    env:
-      DOCKER_ORGANIZATION_NAME: memgraph
-      DOCKER_REPOSITORY_NAME: memgraph
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Download memgraph binary
-        run: |
-          cd release/docker
-          curl -L https://download.memgraph.com/memgraph/v${{ github.event.inputs.version }}/debian-11/memgraph_${{ github.event.inputs.version }}-1_amd64.deb > memgraph-amd64.deb
-          curl -L https://download.memgraph.com/memgraph/v${{ github.event.inputs.version }}/debian-11-aarch64/memgraph_${{ github.event.inputs.version }}-1_arm64.deb > memgraph-arm64.deb
-
-      - name: Check if specified version is already pushed
-        run: |
-          EXISTS=$(docker manifest inspect $DOCKER_ORGANIZATION_NAME/$DOCKER_REPOSITORY_NAME:${{ github.event.inputs.version }} > /dev/null; echo $?)
-          echo $EXISTS
-          if [[ ${EXISTS} -eq 0 ]]; then
-              echo 'The specified version has been already released to DockerHub.'
-              if [[ ${{ github.event.inputs.force_release }} = true ]]; then
-                echo 'Forcing the release!'
-              else
-                echo 'Stopping the release!'
-                exit 1
-              fi
-          else
-              echo 'All good the specified version has not been release to DockerHub.'
-          fi
-
-      - name: Build & push docker images
-        run: |
-          cd release/docker
-          docker buildx build \
-          --build-arg BINARY_NAME="memgraph-" \
-          --build-arg EXTENSION="deb" \
-          --platform linux/amd64,linux/arm64 \
-          --tag $DOCKER_ORGANIZATION_NAME/$DOCKER_REPOSITORY_NAME:${{ github.event.inputs.version }} \
-          --tag $DOCKER_ORGANIZATION_NAME/$DOCKER_REPOSITORY_NAME:latest \
-          --file memgraph_deb.dockerfile \
-          --push .

.github/workflows/release_ubuntu2004.yaml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -55,7 +55,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -97,7 +97,7 @@ jobs:
           tar -czf code_coverage.tar.gz coverage.json html report.json summary.rmu
 
       - name: Save code coverage
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/generated/code_coverage.tar.gz
@@ -112,7 +112,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -173,7 +173,7 @@ jobs:
           ./cppcheck_and_clang_format diff
 
       - name: Save cppcheck and clang-format errors
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Code coverage"
           path: tools/github/cppcheck_and_clang_format.txt
@@ -189,7 +189,7 @@ jobs:
 
     steps:
       - name: Set up repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2
         with:
           # Number of commits to fetch. `0` indicates all history for all
           # branches and tags. (default: 1)
@@ -224,7 +224,7 @@ jobs:
           cpack -G DEB --config ../CPackConfig.cmake
 
       - name: Save enterprise DEB package
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "Enterprise DEB package"
           path: build/output/memgraph*.deb
@@ -261,7 +261,7 @@ jobs:
           ./continuous_integration
 
       - name: Save quality assurance status
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v2
         with:
           name: "GQL Behave Status"
           path: |

.gitignore

@@ -23,8 +23,6 @@ cmake-build-*
 cmake/DownloadProject/
 dist/
 src/query/frontend/opencypher/generated/
-src/query/v2/frontend/opencypher/generated/
-src/parser/opencypher/generated
 tags
 ve/
 ve3/
@@ -52,25 +50,15 @@ src/distributed/pull_produce_rpc_messages.hpp
 src/distributed/storage_gc_rpc_messages.hpp
 src/distributed/token_sharing_rpc_messages.hpp
 src/distributed/updates_rpc_messages.hpp
-src/query/v2/frontend/ast/ast.hpp
 src/query/frontend/ast/ast.hpp
-src/storage/v3/bindings/ast/ast.hpp
 src/query/distributed/frontend/ast/ast_serialization.hpp
-src/query/v2/distributed/frontend/ast/ast_serialization.hpp
 src/durability/distributed/state_delta.hpp
 src/durability/single_node/state_delta.hpp
 src/durability/single_node_ha/state_delta.hpp
 src/query/frontend/semantic/symbol.hpp
-src/query/v2/frontend/semantic/symbol.hpp
-src/expr/semantic/symbol.hpp
 src/query/distributed/frontend/semantic/symbol_serialization.hpp
-src/query/v2/distributed/frontend/semantic/symbol_serialization.hpp
 src/query/distributed/plan/ops.hpp
-src/query/v2/distributed/plan/ops.hpp
 src/query/plan/operator.hpp
-src/query/v2/plan/operator.hpp
-src/parser/opencypher/generated
-src/expr/semantic/symbol.hpp
 src/raft/log_entry.hpp
 src/raft/raft_rpc_messages.hpp
 src/raft/snapshot_metadata.hpp

.pre-commit-config.yaml

@@ -1,21 +0,0 @@
-repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.3.0
-    hooks:
-      - id: check-yaml
-      - id: end-of-file-fixer
-      - id: trailing-whitespace
-  - repo: https://github.com/psf/black
-    rev: 22.10.0
-    hooks:
-      - id: black
-  - repo: https://github.com/pycqa/isort
-    rev: 5.10.1
-    hooks:
-      - id: isort
-        name: isort (python)
-        args: ["--profile", "black"]
-  - repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v13.0.0
-    hooks:
-      - id: clang-format

CMakeLists.txt

@@ -54,7 +54,7 @@ option(MG_ENTERPRISE "Build Memgraph Enterprise Edition" ON)
 # Set the current version here to override the automatic version detection. The
 # version must be specified as `X.Y.Z`. Primarily used when building new patch
 # versions.
-set(MEMGRAPH_OVERRIDE_VERSION "")
+set(MEMGRAPH_OVERRIDE_VERSION "2.2.1")
 
 # Custom suffix that this version should have. The suffix can be any arbitrary
 # string. Primarily used when building a version for a specific customer.
@@ -182,11 +182,9 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 # c99-designator is disabled because of required mixture of designated and
 # non-designated initializers in Python Query Module code (`py_module.cpp`).
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall \
-    -Werror=switch -Werror=switch-bool -Werror=implicit-fallthrough \
-    -Werror=return-type \
+    -Werror=switch -Werror=switch-bool -Werror=return-type \
     -Werror=return-stack-address \
-    -Wno-c99-designator \
-    -DBOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT")
+    -Wno-c99-designator")
 
 # Don't omit frame pointer in RelWithDebInfo, for additional callchain debug.
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO

CODEOWNERS

@@ -0,0 +1 @@
+* @antaljanosbenjamin @kostasrim

README.md

@@ -54,18 +54,6 @@ Memgraph is implemented in C/C++ and leverages an in-memory first architecture
 to ensure that you’re getting the best possible performance consistently and
 without surprises. It’s also ACID-compliant and highly available.
 
-## :video_game: Memgraph Playground
-
-You don't need to install anything to try out Memgraph. Check out 
-our **[Memgraph Playground](https://playground.memgraph.com/)** sandboxes in 
-your browser.
-
-<p align="left">
-  <a href="https://playground.memgraph.com/">
-    <img width="450px" alt="Memgraph Playground" src="https://download.memgraph.com/asset/github/memgraph/memgraph-playground.png">
-  </a>
-</p>
-
 ## :floppy_disk: Download & Install
 
 ### Windows

config/flags.yaml

@@ -47,14 +47,6 @@ modifications:
     value: ""
     override: false
 
-  - name: "bolt_cert_file"
-    value: "/etc/memgraph/ssl/cert.pem"
-    override: false
-
-  - name: "bolt_key_file"
-    value: "/etc/memgraph/ssl/key.pem"
-    override: false
-
   - name: "storage_properties_on_edges"
     value: "true"
     override: true
@@ -83,9 +75,13 @@ modifications:
     value: "true"
     override: true
 
-  # - name: "query_modules_directory"
-  #   value: "/usr/lib/memgraph/query_modules"
-  #   override: true
+  - name: "query_modules_directory"
+    value: "/usr/lib/memgraph/query_modules"
+    override: true
+
+  - name: "auth_module_executable"
+    value: "/usr/lib/memgraph/auth_module/example.py"
+    override: false
 
   - name: "memory_limit"
     value: "0"

environment/os/centos-7.sh

@@ -5,9 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "centos-7"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
     coreutils gcc gcc-c++ make # generic build tools
     wget # used for archive download

environment/os/centos-8.sh

@@ -0,0 +1,161 @@
+#!/bin/bash
+
+set -Eeuo pipefail
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+source "$DIR/../util.sh"
+
+TOOLCHAIN_BUILD_DEPS=(
+    coreutils-common gcc gcc-c++ make # generic build tools
+    wget # used for archive download
+    gnupg2 # used for archive signature verification
+    tar gzip bzip2 xz unzip # used for archive unpacking
+    zlib-devel # zlib library used for all builds
+    expat-devel libipt libipt-devel libbabeltrace-devel xz-devel python36-devel texinfo # for gdb
+    libcurl-devel # for cmake
+    curl # snappy
+    readline-devel # for cmake and llvm
+    libffi-devel libxml2-devel # for llvm
+    libedit-devel pcre-devel automake bison # for swig
+    file
+    openssl-devel
+    gmp-devel
+    gperf
+    patch
+)
+
+TOOLCHAIN_RUN_DEPS=(
+    make # generic build tools
+    tar gzip bzip2 xz # used for archive unpacking
+    zlib # zlib library used for all builds
+    expat libipt libbabeltrace xz-libs python36 # for gdb
+    readline # for cmake and llvm
+    libffi libxml2 # for llvm
+    openssl-devel
+)
+
+MEMGRAPH_BUILD_DEPS=(
+    git # source code control
+    make pkgconf-pkg-config # build system
+    curl wget # for downloading libs
+    libuuid-devel java-11-openjdk # required by antlr
+    readline-devel # for memgraph console
+    python36-devel # for query modules
+    openssl-devel
+    libseccomp-devel
+    python36 python3-virtualenv python3-pip nmap-ncat # for qa, macro_benchmark and stress tests
+    #
+    # IMPORTANT: python3-yaml does NOT exist on CentOS
+    # Install it manually using `pip3 install PyYAML`
+    #
+    PyYAML # Package name here does not correspond to the yum package!
+    libcurl-devel # mg-requests
+    rpm-build rpmlint # for RPM package building
+    doxygen graphviz # source documentation generators
+    which mono-complete dotnet-sdk-3.1 nodejs golang zip unzip java-11-openjdk-devel # for driver tests
+    sbcl # for custom Lisp C++ preprocessing
+    autoconf # for jemalloc code generation
+    libtool  # for protobuf code generation
+)
+
+list() {
+    echo "$1"
+}
+
+check() {
+    local missing=""
+    for pkg in $1; do
+        if [ "$pkg" == "PyYAML" ]; then
+            if ! python3 -c "import yaml" >/dev/null 2>/dev/null; then
+                missing="$pkg $missing"
+            fi
+            continue
+        fi
+        if ! yum list installed "$pkg" >/dev/null 2>/dev/null; then
+            missing="$pkg $missing"
+        fi
+    done
+    if [ "$missing" != "" ]; then
+        echo "MISSING PACKAGES: $missing"
+        exit 1
+    fi
+}
+
+install() {
+    cd "$DIR"
+    if [ "$EUID" -ne 0 ]; then
+        echo "Please run as root."
+        exit 1
+    fi
+    # If GitHub Actions runner is installed, append LANG to the environment.
+    # Python related tests doesn't work the LANG export.
+    if [ -d "/home/gh/actions-runner" ]; then
+        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
+    else
+        echo "NOTE: export LANG=en_US.utf8"
+    fi
+    dnf install -y epel-release
+    dnf install -y 'dnf-command(config-manager)'
+    dnf config-manager --set-enabled powertools # Required to install texinfo.
+    dnf update -y
+    dnf install -y wget git python36 python3-pip
+    for pkg in $1; do
+        if [ "$pkg" == libipt ]; then
+            if ! dnf list installed libipt >/dev/null 2>/dev/null; then
+                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-1.6.1-8.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == libipt-devel ]; then
+            if ! yum list installed libipt-devel >/dev/null 2>/dev/null; then
+                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-devel-1.6.1-8.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        # Install GDB dependencies not present in the standard repos.
+        # https://bugs.centos.org/view.php?id=17068
+        # https://centos.pkgs.org
+	    # Since 2020, there is Babeltrace2 (https://babeltrace.org). Not used
+        # within GDB yet (an assumption).
+        # http://mirror.centos.org/centos/8/PowerTools/x86_64/os/Packages/libbabeltrace-devel-1.5.4-3.el8.x86_64.rpm not working
+        if [ "$pkg" == libbabeltrace-devel ]; then
+            if ! dnf list installed libbabeltrace-devel >/dev/null 2>/dev/null; then
+                dnf install -y https://rpmfind.net/linux/centos/8-stream/PowerTools/x86_64/os/Packages/libbabeltrace-devel-1.5.4-3.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == sbcl ]; then
+            if ! dnf list installed cl-asdf >/dev/null 2>/dev/null; then
+                dnf install -y 	https://pkgs.dyn.su/el8/base/x86_64/cl-asdf-20101028-18.el8.noarch.rpm
+            fi
+            if ! dnf list installed common-lisp-controller >/dev/null 2>/dev/null; then
+                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/common-lisp-controller-7.4-20.el8.noarch.rpm
+            fi
+            if ! dnf list installed sbcl >/dev/null 2>/dev/null; then
+                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/sbcl-2.0.1-4.el8.x86_64.rpm
+            fi
+            continue
+        fi
+        if [ "$pkg" == dotnet-sdk-3.1 ]; then
+            if ! dnf list installed dotnet-sdk-3.1 >/dev/null 2>/dev/null; then
+                wget -nv https://packages.microsoft.com/config/centos/8/packages-microsoft-prod.rpm -O packages-microsoft-prod.rpm
+                rpm -Uvh https://packages.microsoft.com/config/centos/8/packages-microsoft-prod.rpm
+                dnf update -y
+                dnf install -y dotnet-sdk-3.1
+            fi
+            continue
+        fi
+        if [ "$pkg" == PyYAML ]; then
+            if [ -z ${SUDO_USER+x} ]; then # Running as root (e.g. Docker).
+                pip3 install --user PyYAML
+            else # Running using sudo.
+                sudo -H -u "$SUDO_USER" bash -c "pip3 install --user PyYAML"
+            fi
+            continue
+        fi
+        dnf install -y "$pkg"
+    done
+}
+
+deps=$2"[*]"
+"$1" "${!deps}"

environment/os/centos-9.sh

@@ -5,16 +5,15 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "centos-9"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
-    coreutils-common gcc gcc-c++ make # generic build tools
+    coreutils gcc gcc-c++ make # generic build tools
     wget # used for archive download
     gnupg2 # used for archive signature verification
     tar gzip bzip2 xz unzip # used for archive unpacking
     zlib-devel # zlib library used for all builds
-    expat-devel xz-devel python3-devel texinfo libbabeltrace-devel # for gdb
+    expat-devel xz-devel python3-devel texinfo # for gdb
+    libcurl-devel # for cmake
+    curl # snappy
     readline-devel # for cmake and llvm
     libffi-devel libxml2-devel # for llvm
     libedit-devel pcre-devel automake bison # for swig
@@ -22,9 +21,6 @@ TOOLCHAIN_BUILD_DEPS=(
     openssl-devel
     gmp-devel
     gperf
-    diffutils
-    libipt libipt-devel # intel
-    patch
 )
 
 TOOLCHAIN_RUN_DEPS=(
@@ -35,19 +31,18 @@ TOOLCHAIN_RUN_DEPS=(
     readline # for cmake and llvm
     libffi libxml2 # for llvm
     openssl-devel
-    perl # for openssl
 )
 
 MEMGRAPH_BUILD_DEPS=(
     git # source code control
     make pkgconf-pkg-config # build system
-    wget # for downloading libs
+    curl wget # for downloading libs
     libuuid-devel java-11-openjdk # required by antlr
     readline-devel # for memgraph console
     python3-devel # for query modules
     openssl-devel
     libseccomp-devel
-    python3 python3-pip python3-virtualenv nmap-ncat # for qa, macro_benchmark and stress tests
+    python3 python3-virtualenv python3-pip nmap-ncat # for qa, macro_benchmark and stress tests
     #
     # IMPORTANT: python3-yaml does NOT exist on CentOS
     # Install it manually using `pip3 install PyYAML`
@@ -78,6 +73,12 @@ check() {
         if [ "$pkg" == "python3-virtualenv" ]; then
             continue
         fi
+        if [ "$pkg" == sbcl ]; then
+            if ! sbcl --version &> /dev/null; then
+	        missing="$pkg $missing"
+            fi
+            continue
+        fi
         if ! yum list installed "$pkg" >/dev/null 2>/dev/null; then
             missing="$pkg $missing"
         fi
@@ -104,37 +105,13 @@ install() {
     yum update -y
     yum install -y wget git python3 python3-pip
     for pkg in $1; do
-        # Since there is no support for libipt-devel for CentOS 9 we install
-        # Fedoras version of same libs, they are the same version but released
-        # for different OS
-        # TODO Update when libipt-devel releases for CentOS 9
-        if [ "$pkg" == libipt ]; then
-            if ! dnf list installed libipt >/dev/null 2>/dev/null; then
-                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-1.6.1-8.el8.x86_64.rpm
-            fi
-            continue
-        fi
-        if [ "$pkg" == libipt-devel ]; then
-            if ! dnf list installed libipt-devel >/dev/null 2>/dev/null; then
-                dnf install -y http://repo.okay.com.mx/centos/8/x86_64/release/libipt-devel-1.6.1-8.el8.x86_64.rpm
-            fi
-            continue
-        fi
-        if [ "$pkg" == libbabeltrace-devel ]; then
-            if ! dnf list installed libbabeltrace-devel >/dev/null 2>/dev/null; then
-                dnf install -y http://mirror.stream.centos.org/9-stream/CRB/x86_64/os/Packages/libbabeltrace-devel-1.5.8-10.el9.x86_64.rpm
-            fi
-            continue
-        fi
         if [ "$pkg" == sbcl ]; then
-            if ! dnf list installed cl-asdf >/dev/null 2>/dev/null; then
-                dnf install -y 	https://pkgs.dyn.su/el8/base/x86_64/cl-asdf-20101028-18.el8.noarch.rpm
-            fi
-            if ! dnf list installed common-lisp-controller >/dev/null 2>/dev/null; then
-                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/common-lisp-controller-7.4-20.el8.noarch.rpm
-            fi
-            if ! dnf list installed sbcl >/dev/null 2>/dev/null; then
-                dnf install -y https://pkgs.dyn.su/el8/base/x86_64/sbcl-2.0.1-4.el8.x86_64.rpm
+            if ! sbcl --version &> /dev/null; then
+	        curl -s https://altushost-swe.dl.sourceforge.net/project/sbcl/sbcl/1.4.2/sbcl-1.4.2-arm64-linux-binary.tar.bz2 -o /tmp/sbcl-arm64.tar.bz2
+		tar xvjf /tmp/sbcl-arm64.tar.bz2 -C /tmp
+		pushd /tmp/sbcl-1.4.2-arm64-linux
+		INSTALL_ROOT=/usr/local sh install.sh
+		popd
             fi
             continue
         fi
@@ -148,11 +125,9 @@ install() {
         fi
         if [ "$pkg" == python3-virtualenv ]; then
             if [ -z ${SUDO_USER+x} ]; then # Running as root (e.g. Docker).
-                pip3 install virtualenv
-                pip3 install virtualenvwrapper
+                pip3 install --user virtualenv
             else # Running using sudo.
-                sudo -H -u "$SUDO_USER" bash -c "pip3 install virtualenv"
-                sudo -H -u "$SUDO_USER" bash -c "pip3 install virtualenvwrapper"
+                sudo -H -u "$SUDO_USER" bash -c "pip3 install --user virtualenv"
             fi
             continue
         fi

environment/os/debian-10.sh

@@ -5,9 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "debian-10"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
     coreutils gcc g++ build-essential make # generic build tools
     wget # used for archive download

environment/os/debian-11-arm.sh

@@ -1,98 +0,0 @@
-#!/bin/bash
-
-set -Eeuo pipefail
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-source "$DIR/../util.sh"
-
-check_operating_system "debian-11"
-check_architecture "arm64"
-
-TOOLCHAIN_BUILD_DEPS=(
-    coreutils gcc g++ build-essential make # generic build tools
-    wget # used for archive download
-    gnupg # used for archive signature verification
-    tar gzip bzip2 xz-utils unzip # used for archive unpacking
-    zlib1g-dev # zlib library used for all builds
-    libexpat1-dev liblzma-dev python3-dev texinfo # for gdb
-    libcurl4-openssl-dev # for cmake
-    libreadline-dev # for cmake and llvm
-    libffi-dev libxml2-dev # for llvm
-    libedit-dev libpcre3-dev automake bison # for swig
-    curl # snappy
-    file # for libunwind
-    libssl-dev # for libevent
-    libgmp-dev
-    gperf # for proxygen
-    git # for fbthrift
-)
-
-TOOLCHAIN_RUN_DEPS=(
-    make # generic build tools
-    tar gzip bzip2 xz-utils # used for archive unpacking
-    zlib1g # zlib library used for all builds
-    libexpat1 liblzma5 python3 # for gdb
-    libcurl4 # for cmake
-    file # for CPack
-    libreadline8 # for cmake and llvm
-    libffi7 libxml2 # for llvm
-    libssl-dev # for libevent
-)
-
-MEMGRAPH_BUILD_DEPS=(
-    git # source code control
-    make pkg-config # build system
-    curl wget # for downloading libs
-    uuid-dev default-jre-headless # required by antlr
-    libreadline-dev # for memgraph console
-    libpython3-dev python3-dev # for query modules
-    libssl-dev
-    libseccomp-dev
-    netcat # tests are using nc to wait for memgraph
-    python3 virtualenv python3-virtualenv python3-pip # for qa, macro_benchmark and stress tests
-    python3-yaml # for the configuration generator
-    libcurl4-openssl-dev # mg-requests
-    sbcl # for custom Lisp C++ preprocessing
-    doxygen graphviz # source documentation generators
-    mono-runtime mono-mcs zip unzip default-jdk-headless # for driver tests
-    golang nodejs npm
-    autoconf # for jemalloc code generation
-    libtool  # for protobuf code generation
-)
-
-list() {
-    echo "$1"
-}
-
-check() {
-    check_all_dpkg "$1"
-}
-
-install() {
-    cat >/etc/apt/sources.list <<EOF
-deb http://deb.debian.org/debian bullseye main
-deb-src http://deb.debian.org/debian bullseye main
-
-deb http://deb.debian.org/debian-security/ bullseye-security main
-deb-src http://deb.debian.org/debian-security/ bullseye-security main
-
-deb http://deb.debian.org/debian bullseye-updates main
-deb-src http://deb.debian.org/debian bullseye-updates main
-EOF
-    cd "$DIR"
-    apt update
-    # If GitHub Actions runner is installed, append LANG to the environment.
-    # Python related tests doesn't work the LANG export.
-    if [ -d "/home/gh/actions-runner" ]; then
-        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
-    else
-        echo "NOTE: export LANG=en_US.utf8"
-    fi
-    apt install -y wget
-    for pkg in $1; do
-        apt install -y "$pkg"
-    done
-}
-
-deps=$2"[*]"
-"$1" "${!deps}"

environment/os/debian-11.sh

@@ -5,9 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "debian-11"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
     coreutils gcc g++ build-essential make # generic build tools
     wget # used for archive download
@@ -90,7 +87,7 @@ EOF
     fi
     apt install -y wget
     for pkg in $1; do
-        if [ "$pkg" == dotnet-sdk-3.1  ]; then
+        if [ "$pkg" == dotnet-sdk-3.1 ]; then
             if ! dpkg -s "$pkg" 2>/dev/null >/dev/null; then
                 wget -nv https://packages.microsoft.com/config/debian/10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
                 dpkg -i packages-microsoft-prod.deb

environment/os/template.sh

@@ -5,8 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "todo-os-name"
-
 TOOLCHAIN_BUILD_DEPS=(
     pkg
 )

environment/os/ubuntu-18.04.sh

@@ -5,9 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "ubuntu-18.04"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
     coreutils gcc g++ build-essential make # generic build tools
     wget # archive download

environment/os/ubuntu-20.04.sh

@@ -5,9 +5,6 @@ set -Eeuo pipefail
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 source "$DIR/../util.sh"
 
-check_operating_system "ubuntu-20.04"
-check_architecture "x86_64"
-
 TOOLCHAIN_BUILD_DEPS=(
     coreutils gcc g++ build-essential make # generic build tools
     wget # used for archive download

environment/os/ubuntu-22.04.sh

@@ -1,96 +0,0 @@
-#!/bin/bash
-
-set -Eeuo pipefail
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-source "$DIR/../util.sh"
-
-check_operating_system "ubuntu-22.04"
-check_architecture "x86_64"
-
-TOOLCHAIN_BUILD_DEPS=(
-    coreutils gcc g++ build-essential make # generic build tools
-    wget # used for archive download
-    gnupg # used for archive signature verification
-    tar gzip bzip2 xz-utils unzip # used for archive unpacking
-    zlib1g-dev # zlib library used for all builds
-    libexpat1-dev libipt-dev libbabeltrace-dev liblzma-dev python3-dev texinfo # for gdb
-    libcurl4-openssl-dev # for cmake
-    libreadline-dev # for cmake and llvm
-    libffi-dev libxml2-dev # for llvm
-    curl # snappy
-    file
-    git # for thrift
-    libgmp-dev # for gdb
-    gperf # for proxygen
-    libssl-dev
-    libedit-dev libpcre3-dev automake bison # for swig
-)
-
-TOOLCHAIN_RUN_DEPS=(
-    make # generic build tools
-    tar gzip bzip2 xz-utils # used for archive unpacking
-    zlib1g # zlib library used for all builds
-    libexpat1 libipt2 libbabeltrace1 liblzma5 python3 # for gdb
-    libcurl4 # for cmake
-    libreadline8 # for cmake and llvm
-    libffi7 libxml2 # for llvm
-    libssl-dev # for libevent
-)
-
-MEMGRAPH_BUILD_DEPS=(
-    git # source code control
-    make pkg-config # build system
-    curl wget # for downloading libs
-    uuid-dev default-jre-headless # required by antlr
-    libreadline-dev # for memgraph console
-    libpython3-dev python3-dev # for query modules
-    libssl-dev
-    libseccomp-dev
-    netcat # tests are using nc to wait for memgraph
-    python3 python3-virtualenv python3-pip # for qa, macro_benchmark and stress tests
-    python3-yaml # for the configuration generator
-    libcurl4-openssl-dev # mg-requests
-    sbcl # for custom Lisp C++ preprocessing
-    doxygen graphviz # source documentation generators
-    mono-runtime mono-mcs zip unzip default-jdk-headless # for driver tests
-    dotnet-sdk-6.0 golang nodejs npm
-    autoconf # for jemalloc code generation
-    libtool  # for protobuf code generation
-)
-
-list() {
-    echo "$1"
-}
-
-check() {
-    check_all_dpkg "$1"
-}
-
-install() {
-    cd "$DIR"
-    apt update
-    # If GitHub Actions runner is installed, append LANG to the environment.
-    # Python related tests doesn't work the LANG export.
-    if [ -d "/home/gh/actions-runner" ]; then
-        echo "LANG=en_US.utf8" >> /home/gh/actions-runner/.env
-    else
-        echo "NOTE: export LANG=en_US.utf8"
-    fi
-    apt install -y wget
-    for pkg in $1; do
-        if [ "$pkg" == dotnet-sdk-6.0 ]; then
-            if ! dpkg -s dotnet-sdk-6.0 2>/dev/null >/dev/null; then
-                wget -nv https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
-                dpkg -i packages-microsoft-prod.deb
-                apt-get update
-                apt-get install -y apt-transport-https dotnet-sdk-6.0
-            fi
-            continue
-        fi
-        apt install -y "$pkg"
-    done
-}
-
-deps=$2"[*]"
-"$1" "${!deps}"

environment/toolchain/v4.sh

@@ -675,7 +675,7 @@ PROXYGEN_SHA256=5360a8ccdfb2f5a6c7b3eed331ec7ab0e2c792d579c6fff499c85c516c11fe14
 SNAPPY_SHA256=75c1fbb3d618dd3a0483bff0e26d0a92b495bbe5059c8b4f1c962b478b6e06e7
 SNAPPY_VERSION=1.1.9
 XZ_VERSION=5.2.5 # for LZMA
-ZLIB_VERSION=1.2.12
+ZLIB_VERSION=1.2.11
 ZSTD_VERSION=1.5.0
 WANGLE_SHA256=1002e9c32b6f4837f6a760016e3b3e22f3509880ef3eaad191c80dc92655f23f
 
@@ -1178,21 +1178,12 @@ popd
 
 # create toolchain archive
 if [ ! -f $NAME-binaries-$DISTRO.tar.gz ]; then
-    DISTRO_FULL_NAME=${DISTRO}
-    if [[ "${DISTRO}" == centos* ]]; then
-        if [[ "$for_arm" = "true" ]]; then
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-aarch64"
-        else
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-x86_64"
-        fi
+    DISTRO_FULL_NAME=$DISTRO
+    if [ "$for_arm" = true ]; then
+        DISTRO_FULL_NAME="$DISTRO_FULL_NAME-aarch64"
     else
-        if [[ "$for_arm" = "true" ]]; then
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-arm64"
-        else
-            DISTRO_FULL_NAME="$DISTRO_FULL_NAME-amd64"
-        fi
+        DISTRO_FULL_NAME="$DISTRO_FULL_NAME-x86_64"
     fi
-
     tar --owner=root --group=root -cpvzf $NAME-binaries-$DISTRO_FULL_NAME.tar.gz -C /opt $NAME
 fi
 

environment/util.sh

@@ -5,28 +5,6 @@ operating_system() {
     sort | cut -d '=' -f 2- | sed 's/"//g' | paste -s -d '-'
 }
 
-check_operating_system() {
-    if [ "$(operating_system)" != "$1" ]; then
-        echo "Not the right operating system!"
-        exit 1
-    else
-        echo "The right operating system."
-    fi
-}
-
-architecture() {
-    uname -m
-}
-
-check_architecture() {
-    if [ "$(architecture)" != "$1" ]; then
-        echo "Not the right architecture!"
-        exit 1
-    else
-        echo "The right architecture."
-    fi
-}
-
 check_all_yum() {
     local missing=""
     for pkg in $1; do

init

@@ -24,7 +24,7 @@ function setup_virtualenv () {
     fi
 
     # create new virtualenv
-    python3 -m virtualenv -p python3 ve3 || exit 1
+    virtualenv -p python3 ve3 || exit 1
     source ve3/bin/activate
     pip --timeout 1000 install -r requirements.txt || exit 1
     deactivate
@@ -65,14 +65,8 @@ else
 fi
 
 DISTRO=$(operating_system)
-ARCHITECTURE=$(architecture)
-if [ "${ARCHITECTURE}" = "arm64" ] || [ "${ARCHITECTURE}" = "aarch64" ]; then
-  OS_SCRIPT=$DIR/environment/os/$DISTRO-arm.sh
-else
-  OS_SCRIPT=$DIR/environment/os/$DISTRO.sh
-fi
-echo "ALL BUILD PACKAGES: $($OS_SCRIPT list MEMGRAPH_BUILD_DEPS)"
-$OS_SCRIPT check MEMGRAPH_BUILD_DEPS
+echo "ALL BUILD PACKAGES: $($DIR/environment/os/$DISTRO.sh list MEMGRAPH_BUILD_DEPS)"
+$DIR/environment/os/$DISTRO.sh check MEMGRAPH_BUILD_DEPS
 echo "All packages are in-place..."
 
 # create a default build directory
@@ -135,17 +129,3 @@ for hook in $(find $DIR/.githooks -type f -printf "%f\n"); do
   ln -s -f "$DIR/.githooks/$hook" "$DIR/.git/hooks/$hook"
   echo "Added $hook hook"
 done;
-
-# Install precommit hook
-python3 -m pip install pre-commit
-python3 -m pre_commit install
-
-# Install py format tools
-echo "Install black formatter"
-python3 -m pip install black==22.10.*
-echo "Install isort"
-python3 -m pip install isort==5.10.*
-
-
-# Link `include/mgp.py` with `release/mgp/mgp.py`
-ln -v -f include/mgp.py release/mgp/mgp.py

libs/.gitignore

@@ -4,5 +4,5 @@
 !cleanup.sh
 !CMakeLists.txt
 !__main.cpp
+!jemalloc.cmake
 !pulsar.patch
-!antlr4.10.1.patch

libs/CMakeLists.txt

@@ -106,7 +106,6 @@ import_external_library(antlr4 STATIC
              -DWITH_LIBCXX=OFF # because of debian bug
              -DCMAKE_SKIP_INSTALL_ALL_DEPENDENCY=true
              -DCMAKE_CXX_STANDARD=20
-             -DANTLR_BUILD_CPP_TESTS=OFF
   BUILD_COMMAND $(MAKE) antlr4_static
   INSTALL_COMMAND $(MAKE) install)
 

libs/antlr4.10.1.patch

@@ -1,13 +0,0 @@
-diff --git a/runtime/Cpp/runtime/CMakeLists.txt b/runtime/Cpp/runtime/CMakeLists.txt
-index baf46cac9..2e7756de8 100644
---- a/runtime/Cpp/runtime/CMakeLists.txt
-+++ b/runtime/Cpp/runtime/CMakeLists.txt
-@@ -134,7 +134,7 @@ set_target_properties(antlr4_static
-                                  ARCHIVE_OUTPUT_DIRECTORY ${LIB_OUTPUT_DIR}
-                                  COMPILE_FLAGS "${disabled_compile_warnings} ${extra_static_compile_flags}")
-
--install(TARGETS antlr4_shared
-+install(TARGETS antlr4_shared OPTIONAL
-         EXPORT antlr4-targets
-         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}

libs/antlr4.patch

@@ -0,0 +1,43 @@
+diff --git a/runtime/Cpp/runtime/CMakeLists.txt b/runtime/Cpp/runtime/CMakeLists.txt
+index a8503bb..11362cf 100644
+--- a/runtime/Cpp/runtime/CMakeLists.txt
++++ b/runtime/Cpp/runtime/CMakeLists.txt
+@@ -5,8 +5,8 @@ set(THIRDPARTY_DIR ${CMAKE_BINARY_DIR}/runtime/thirdparty)
+ set(UTFCPP_DIR ${THIRDPARTY_DIR}/utfcpp)
+ ExternalProject_Add(
+   utfcpp
+-  GIT_REPOSITORY        "git://github.com/nemtrif/utfcpp"
+-  GIT_TAG               "v3.1.1"
++  GIT_REPOSITORY        "https://github.com/nemtrif/utfcpp"
++  GIT_TAG               "v3.2.1"
+   SOURCE_DIR            ${UTFCPP_DIR}
+   UPDATE_DISCONNECTED   1
+   CMAKE_ARGS            -DCMAKE_INSTALL_PREFIX=${UTFCPP_DIR}/install -Dgtest_force_shared_crt=ON
+@@ -118,7 +118,7 @@ set_target_properties(antlr4_static
+                                  ARCHIVE_OUTPUT_DIRECTORY ${LIB_OUTPUT_DIR}
+                                  COMPILE_FLAGS "${disabled_compile_warnings} ${extra_static_compile_flags}")
+ 
+-install(TARGETS antlr4_shared
++install(TARGETS antlr4_shared OPTIONAL
+         DESTINATION lib
+         EXPORT antlr4-targets)
+ install(TARGETS antlr4_static
+diff --git a/runtime/Cpp/runtime/src/support/Any.h b/runtime/Cpp/runtime/src/support/Any.h
+index 468db98..65a473b 100644
+--- a/runtime/Cpp/runtime/src/support/Any.h
++++ b/runtime/Cpp/runtime/src/support/Any.h
+@@ -122,12 +122,12 @@ private:
+     }
+ 
+   private:
+-    template<int N = 0, typename std::enable_if<N == N && std::is_nothrow_copy_constructible<T>::value, int>::type = 0>
++    template<int N = 0, typename std::enable_if<N == N && std::is_copy_constructible<T>::value, int>::type = 0>
+     Base* clone() const {
+       return new Derived<T>(value);
+     }
+ 
+-    template<int N = 0, typename std::enable_if<N == N && !std::is_nothrow_copy_constructible<T>::value, int>::type = 0>
++    template<int N = 0, typename std::enable_if<N == N && !std::is_copy_constructible<T>::value, int>::type = 0>
+     Base* clone() const {
+       return nullptr;
+     }

libs/jemalloc.cmake

@@ -0,0 +1,55 @@
+set(JEMALLOC_DIR "${LIB_DIR}/jemalloc")
+
+set(JEMALLOC_SRCS
+    ${JEMALLOC_DIR}/src/arena.c
+    ${JEMALLOC_DIR}/src/background_thread.c
+    ${JEMALLOC_DIR}/src/base.c
+    ${JEMALLOC_DIR}/src/bin.c
+    ${JEMALLOC_DIR}/src/bitmap.c
+    ${JEMALLOC_DIR}/src/ckh.c
+    ${JEMALLOC_DIR}/src/ctl.c
+    ${JEMALLOC_DIR}/src/div.c
+    ${JEMALLOC_DIR}/src/extent.c
+    ${JEMALLOC_DIR}/src/extent_dss.c
+    ${JEMALLOC_DIR}/src/extent_mmap.c
+    ${JEMALLOC_DIR}/src/hash.c
+    ${JEMALLOC_DIR}/src/hook.c
+    ${JEMALLOC_DIR}/src/jemalloc.c
+    ${JEMALLOC_DIR}/src/large.c
+    ${JEMALLOC_DIR}/src/log.c
+    ${JEMALLOC_DIR}/src/malloc_io.c
+    ${JEMALLOC_DIR}/src/mutex.c
+    ${JEMALLOC_DIR}/src/mutex_pool.c
+    ${JEMALLOC_DIR}/src/nstime.c
+    ${JEMALLOC_DIR}/src/pages.c
+    ${JEMALLOC_DIR}/src/prng.c
+    ${JEMALLOC_DIR}/src/prof.c
+    ${JEMALLOC_DIR}/src/rtree.c
+    ${JEMALLOC_DIR}/src/sc.c
+    ${JEMALLOC_DIR}/src/stats.c
+    ${JEMALLOC_DIR}/src/sz.c
+    ${JEMALLOC_DIR}/src/tcache.c
+    ${JEMALLOC_DIR}/src/test_hooks.c
+    ${JEMALLOC_DIR}/src/ticker.c
+    ${JEMALLOC_DIR}/src/tsd.c
+    ${JEMALLOC_DIR}/src/witness.c
+    ${JEMALLOC_DIR}/src/safety_check.c
+)
+
+add_library(jemalloc ${JEMALLOC_SRCS})
+target_include_directories(jemalloc PUBLIC "${JEMALLOC_DIR}/include")
+
+find_package(Threads REQUIRED)
+target_link_libraries(jemalloc PUBLIC Threads::Threads)
+
+target_compile_definitions(jemalloc PRIVATE -DJEMALLOC_NO_PRIVATE_NAMESPACE)
+
+if (CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+    target_compile_definitions(jemalloc PRIVATE -DJEMALLOC_DEBUG=1 -DJEMALLOC_PROF=1)
+endif()
+
+target_compile_options(jemalloc PRIVATE -Wno-redundant-decls)
+# for RTLD_NEXT
+target_compile_definitions(jemalloc PRIVATE _GNU_SOURCE)
+
+set_property(TARGET jemalloc APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS USE_JEMALLOC=1)

libs/setup.sh

@@ -105,7 +105,7 @@ repo_clone_try_double () {
 # Download from primary_urls might fail because the cache is not installed.
 declare -A primary_urls=(
   ["antlr4-code"]="http://$local_cache_host/git/antlr4.git"
-  ["antlr4-generator"]="http://$local_cache_host/file/antlr-4.10.1-complete.jar"
+  ["antlr4-generator"]="http://$local_cache_host/file/antlr-4.9.2-complete.jar"
   ["cppitertools"]="http://$local_cache_host/git/cppitertools.git"
   ["rapidcheck"]="http://$local_cache_host/git/rapidcheck.git"
   ["gbenchmark"]="http://$local_cache_host/git/benchmark.git"
@@ -116,7 +116,7 @@ declare -A primary_urls=(
   ["pymgclient"]="http://$local_cache_host/git/pymgclient.git"
   ["mgconsole"]="http://$local_cache_host/git/mgconsole.git"
   ["spdlog"]="http://$local_cache_host/git/spdlog"
-  ["nlohmann"]="http://$local_cache_host/file/nlohmann/json/9d69186291aca4f0137b69c1dee313b391ff564c/single_include/nlohmann/json.hpp"
+  ["nlohmann"]="http://$local_cache_host/file/nlohmann/json/4f8fba14066156b73f1189a2b8bd568bde5284c5/single_include/nlohmann/json.hpp"
   ["neo4j"]="http://$local_cache_host/file/neo4j-community-3.2.3-unix.tar.gz"
   ["librdkafka"]="http://$local_cache_host/git/librdkafka.git"
   ["protobuf"]="http://$local_cache_host/git/protobuf.git"
@@ -130,7 +130,7 @@ declare -A primary_urls=(
 # should fail.
 declare -A secondary_urls=(
   ["antlr4-code"]="https://github.com/antlr/antlr4.git"
-  ["antlr4-generator"]="https://www.antlr.org/download/antlr-4.10.1-complete.jar"
+  ["antlr4-generator"]="http://www.antlr.org/download/antlr-4.9.2-complete.jar"
   ["cppitertools"]="https://github.com/ryanhaining/cppitertools.git"
   ["rapidcheck"]="https://github.com/emil-e/rapidcheck.git"
   ["gbenchmark"]="https://github.com/google/benchmark.git"
@@ -141,7 +141,7 @@ declare -A secondary_urls=(
   ["pymgclient"]="https://github.com/memgraph/pymgclient.git"
   ["mgconsole"]="http://github.com/memgraph/mgconsole.git"
   ["spdlog"]="https://github.com/gabime/spdlog"
-  ["nlohmann"]="https://raw.githubusercontent.com/nlohmann/json/9d69186291aca4f0137b69c1dee313b391ff564c/single_include/nlohmann/json.hpp"
+  ["nlohmann"]="https://raw.githubusercontent.com/nlohmann/json/4f8fba14066156b73f1189a2b8bd568bde5284c5/single_include/nlohmann/json.hpp"
   ["neo4j"]="https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/neo4j-community-3.2.3-unix.tar.gz"
   ["librdkafka"]="https://github.com/edenhill/librdkafka.git"
   ["protobuf"]="https://github.com/protocolbuffers/protobuf.git"
@@ -152,10 +152,10 @@ declare -A secondary_urls=(
 # antlr
 file_get_try_double "${primary_urls[antlr4-generator]}" "${secondary_urls[antlr4-generator]}"
 
-antlr4_tag="4.10.1" # v4.10.1
+antlr4_tag="4.9.2" # v4.9.2
 repo_clone_try_double "${primary_urls[antlr4-code]}" "${secondary_urls[antlr4-code]}" "antlr4" "$antlr4_tag" true
 pushd antlr4
-git apply ../antlr4.10.1.patch
+git apply ../antlr4.patch
 popd
 
 # cppitertools v2.0 2019-12-23
@@ -171,7 +171,7 @@ benchmark_tag="v1.6.0"
 repo_clone_try_double "${primary_urls[gbenchmark]}" "${secondary_urls[gbenchmark]}" "benchmark" "$benchmark_tag" true
 
 # google test
-googletest_tag="release-1.12.1"
+googletest_tag="release-1.8.0"
 repo_clone_try_double "${primary_urls[gtest]}" "${secondary_urls[gtest]}" "googletest" "$googletest_tag" true
 
 # libbcrypt
@@ -199,7 +199,7 @@ git apply ../rocksdb.patch
 popd
 
 # mgclient
-mgclient_tag="v1.4.0" # (2022-06-14)
+mgclient_tag="96e95c6845463cbe88948392be58d26da0d5ffd3" # (2022-02-08)
 repo_clone_try_double "${primary_urls[mgclient]}" "${secondary_urls[mgclient]}" "mgclient" "$mgclient_tag"
 sed -i 's/\${CMAKE_INSTALL_LIBDIR}/lib/' mgclient/src/CMakeLists.txt
 

licenses/BSL.txt

@@ -36,7 +36,7 @@ ADDITIONAL USE GRANT:   You may use the Licensed Work in accordance with the
                         3. using the Licensed Work to create a work or solution
                         which competes (or might reasonably be expected to
                         compete) with the Licensed Work.
-CHANGE DATE:            2026-27-04
+CHANGE DATE:            2026-17-03
 CHANGE LICENSE:         Apache License, Version 2.0
 
 For information about alternative licensing arrangements, please visit: https://memgraph.com/legal.

pyproject.toml

@@ -1,12 +0,0 @@
-[tool.black]
-line-length = 120
-include = '\.pyi?$'
-extend-exclude = '''
-/(
-    | .git
-    | .__pycache__
-    | build
-    | libs
-    | .cache
-)/
-'''

release/CMakeLists.txt

@@ -10,14 +10,6 @@ set(CPACK_PACKAGE_VENDOR "Memgraph Ltd.")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY
     "High performance, in-memory, transactional graph database")
 
-# Setting arhitecture extension for deb packages
-set(MG_ARCH_EXTENSION_DEB "all")
-if (${MG_ARCH} STREQUAL "x86_64")
-    set(MG_ARCH_EXTENSION_DEB "amd64")
-elseif (${MG_ARCH} STREQUAL "ARM64")
-    set(MG_ARCH_EXTENSION_DEB  "arm64")
-endif()
-
 # DEB specific
 # Instead of using "name <email>" format, we use "email (name)" to prevent
 # errors due to full stop, '.' at the end of "Ltd". (See: RFC 822)
@@ -25,7 +17,7 @@ set(CPACK_DEBIAN_PACKAGE_MAINTAINER "tech@memgraph.com (Memgraph Ltd.)")
 set(CPACK_DEBIAN_PACKAGE_SECTION non-free/database)
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE https://memgraph.com)
 set(CPACK_DEBIAN_PACKAGE_VERSION "${MEMGRAPH_VERSION_DEB}")
-set(CPACK_DEBIAN_FILE_NAME "memgraph_${MEMGRAPH_VERSION_DEB}_${MG_ARCH_EXTENSION_DEB}.deb")
+set(CPACK_DEBIAN_FILE_NAME "memgraph_${MEMGRAPH_VERSION_DEB}_amd64.deb")
 set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
     "${CMAKE_CURRENT_SOURCE_DIR}/debian/conffiles;"
     "${CMAKE_CURRENT_SOURCE_DIR}/debian/copyright;"
@@ -41,20 +33,21 @@ set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}
  applications driver by real-time connected data.")
 # Add `openssl` package to dependencies list. Used to generate SSL certificates.
 # We also depend on `python3` because we embed it in Memgraph.
-set(CPACK_DEBIAN_PACKAGE_DEPENDS "openssl (>= 1.1.0), python3 (>= 3.5.0), libstdc++6")
-
-# Setting arhitecture extension for rpm packages
-set(MG_ARCH_EXTENSION_RPM "noarch")
-if (${MG_ARCH} STREQUAL "x86_64")
-    set(MG_ARCH_EXTENSION_RPM "x86_64")
-elseif (${MG_ARCH} STREQUAL "ARM64")
-    set(MG_ARCH_EXTENSION_RPM  "aarch64")
-endif()
+set(CPACK_DEBIAN_PACKAGE_DEPENDS "openssl (>= 1.1.0), python3 (>= 3.5.0)")
 
 # RPM specific
+
+set(MG_ARCH_EXTENSION "noarch")
+
+if (${MG_ARCH} STREQUAL "x86_64")
+    set(MG_ARCH_EXTENSION "x86_64")
+elseif (${MG_ARCH} STREQUAL "ARM64")
+    set(MG_ARCH_EXTENSION  "aarch64")
+endif()
+
 set(CPACK_RPM_PACKAGE_URL https://memgraph.com)
 set(CPACK_RPM_PACKAGE_VERSION "${MEMGRAPH_VERSION_RPM}")
-set(CPACK_RPM_FILE_NAME "memgraph-${MEMGRAPH_VERSION_RPM}-1.${MG_ARCH_EXTENSION_RPM}.rpm")
+set(CPACK_RPM_FILE_NAME "memgraph-${MEMGRAPH_VERSION_RPM}-1.${MG_ARCH_EXTENSION}.rpm")
 set(CPACK_RPM_EXCLUDE_FROM_AUTO_FILELIST_ADDITION
   /var /var/lib /var/log /etc/logrotate.d
   /lib /lib/systemd /lib/systemd/system /lib/systemd/system/memgraph.service)
@@ -67,7 +60,7 @@ It aims to deliver developers the speed, simplicity and scale required to build
 the next generation of applications driver by real-time connected data.")
 # Add `openssl` package to dependencies list. Used to generate SSL certificates.
 # We also depend on `python3` because we embed it in Memgraph.
-set(CPACK_RPM_PACKAGE_REQUIRES "openssl >= 1.0.0, curl >= 7.29.0, python3 >= 3.5.0, libstdc >= 6, logrotate")
+set(CPACK_RPM_PACKAGE_REQUIRES "openssl >= 1.0.0, curl >= 7.29.0, python3 >= 3.5.0")
 
 # All variables must be set before including.
 include(CPack)

release/docker/memgraph_deb.dockerfile

@@ -1,21 +1,19 @@
 FROM debian:bullseye
 # NOTE: If you change the base distro update release/package as well.
 
-ARG BINARY_NAME
-ARG EXTENSION
-ARG TARGETARCH
+ARG release
 
 RUN apt-get update && apt-get install -y \
-  openssl libcurl4 libssl1.1 libseccomp2 python3 libpython3.9 python3-pip \
-  --no-install-recommends \
+    openssl libcurl4 libssl1.1 libseccomp2 python3 libpython3.9 python3-pip \
+    --no-install-recommends \
   && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 RUN pip3 install networkx==2.4 numpy==1.21.4 scipy==1.7.3
 
-COPY "${BINARY_NAME}${TARGETARCH}.${EXTENSION}" /
+COPY ${release} /
 
 # Install memgraph package
-RUN dpkg -i "${BINARY_NAME}${TARGETARCH}.deb"
+RUN dpkg -i ${release}
 
 # Memgraph listens for Bolt Protocol on this port by default.
 EXPOSE 7687

release/docker/memgraph_rpm.dockerfile

@@ -0,0 +1,31 @@
+FROM dokken/centos-stream-9
+# NOTE: If you change the base distro update release/package as well.
+
+ARG release
+
+RUN yum update && yum install -y \
+    openssl libcurl libseccomp python3 python3-pip \
+    --nobest --allowerasing \
+  && rm -rf /tmp/* \
+  && yum clean all
+
+RUN pip3 install networkx==2.4 numpy==1.21.4 scipy==1.7.3
+
+COPY ${release} /
+
+# Install memgraph package
+RUN rpm -i ${release}
+
+# Memgraph listens for Bolt Protocol on this port by default.
+EXPOSE 7687
+# Snapshots and logging volumes
+VOLUME /var/log/memgraph
+VOLUME /var/lib/memgraph
+# Configuration volume
+VOLUME /etc/memgraph
+
+USER memgraph
+WORKDIR /usr/lib/memgraph
+
+ENTRYPOINT ["/usr/lib/memgraph/memgraph"]
+CMD [""]

release/docker/package_docker

@@ -55,10 +55,7 @@ image_name="memgraph:${version}"
 image_package_name="memgraph-${version}-docker.tar.gz"
 
 # Build docker image.
-docker build -t ${image_name} ${tag_latest} -f ${dockerfile_path} \
---build-arg BINARY_NAME=${package_name} \
---build-arg EXTENSION=${extension} \
---build-arg TARGETARCH="" .
+docker build -t ${image_name} ${tag_latest} -f ${dockerfile_path} --build-arg release=${package_name}.${extension} .
 docker save ${image_name} ${latest_image} | gzip > ${image_package_name}
 rm "${package_name}.${extension}"
 echo "Built Docker image at '${working_dir}/${image_package_name}'"

release/mgp/.gitignore

@@ -1,3 +0,0 @@
-.venv
-dist
-mgp.py

release/mgp/LICENSE

@@ -1,201 +0,0 @@
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-
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-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
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release/mgp/README.md

@@ -1,4 +0,0 @@
-# mgp
-
-PyPi package used for type hinting when creating MAGE modules. The get started
-using MAGE repository checkout the repository here: https://github.com/memgraph/mage.

release/mgp/_mgp.py

@@ -1,255 +0,0 @@
-from typing import Any
-
-
-class MgpIterable:
-    def get() -> Any:
-        pass
-
-    def next() -> Any:
-        pass
-
-
-class Vertex:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-    def underlying_graph_is_mutable() -> bool:  # type: ignore
-        pass
-
-    def iter_properties() -> MgpIterable:  # type: ignore
-        pass
-
-    def get_property(self, property_name: str) -> "Property":  # type: ignore
-        pass
-
-    def set_property(self, property_name: str, value: Any) -> "Property":  # type: ignore
-        pass
-
-    def get_id() -> "VertexId":  # type: ignore
-        pass
-
-    def label_at(self, index: int) -> "Label":  # type: ignore
-        pass
-
-    def labels_count() -> int:  # type: ignore
-        pass
-
-    def add_label(self, label: Any):
-        pass
-
-    def remove_label(self, label: Any):
-        pass
-
-    def iter_in_edges() -> MgpIterable:  # type: ignore
-        pass
-
-    def iter_out_edges() -> MgpIterable:  # type: ignore
-        pass
-
-
-class Edge:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-    def underlying_graph_is_mutable() -> bool:  # type: ignore
-        pass
-
-    def iter_properties() -> MgpIterable:  # type: ignore
-        pass
-
-    def get_property(self, property_name: str) -> "Property":  # type: ignore
-        pass
-
-    def set_property(self, property_name: str, valuse: Any) -> "Property":  # type: ignore
-        pass
-
-    def get_type_name() -> str:  # type: ignore
-        pass
-
-    def get_id() -> "EdgeId":  # type: ignore
-        pass
-
-    def from_vertex() -> Vertex:  # type: ignore
-        pass
-
-    def to_vertex() -> Vertex:  # type: ignore
-        pass
-
-
-class Path:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-    @staticmethod
-    def make_with_start(vertex: Vertex) -> "Path":  # type: ignore
-        pass
-
-
-class Graph:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-
-class CypherType:
-    pass
-
-
-class Message:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-    def source_type() -> str:  # type: ignore
-        pass
-
-    def topic_name() -> str:  # type: ignore
-        pass
-
-    def key() -> bytes:  # type: ignore
-        pass
-
-    def timestamp() -> int:  # type: ignore
-        pass
-
-    def offset() -> int:  # type: ignore
-        pass
-
-    def payload() -> bytes:  # type: ignore
-        pass
-
-
-class Messages:
-    def is_valid() -> bool:  # type: ignore
-        pass
-
-    def message_at(self, id: int) -> Message:  # type: ignore
-        pass
-
-    def total_messages() -> int:  # type: ignore
-        pass
-
-
-class UnknownError(Exception):
-    pass
-
-
-class UnableToAllocateError(Exception):
-    pass
-
-
-class InsufficientBufferError(Exception):
-    pass
-
-
-class OutOfRangeError(Exception):
-    pass
-
-
-class LogicErrorError(Exception):
-
-    pass
-
-
-class DeletedObjectError(Exception):
-    pass
-
-
-class InvalidArgumentError(Exception):
-    pass
-
-
-class KeyAlreadyExistsError(Exception):
-    pass
-
-
-class ImmutableObjectError(Exception):
-    pass
-
-
-class ValueConversionError(Exception):
-    pass
-
-
-class SerializationError(Exception):
-    pass
-
-
-def type_nullable(elem: Any):
-    pass
-
-
-def type_list(elem: Any):
-    pass
-
-
-def type_bool():
-    pass
-
-
-def type_string():
-    pass
-
-
-def type_int():
-    pass
-
-
-def type_float():
-    pass
-
-
-def type_number():
-    pass
-
-
-def type_map():
-    pass
-
-
-def type_node():
-    pass
-
-
-def type_relationship():
-    pass
-
-
-def type_path():
-    pass
-
-
-def type_date():
-    pass
-
-
-def type_local_time():
-    pass
-
-
-def type_local_date_time():
-    pass
-
-
-def type_duration():
-    pass
-
-
-def type_any():
-    pass
-
-
-class _MODULE:
-    @staticmethod
-    def add_read_procedure(wrapper):
-        pass
-
-    @staticmethod
-    def add_write_procedure(wrapper):
-        pass
-
-    @staticmethod
-    def add_transformation(wrapper):
-        pass
-
-    @staticmethod
-    def add_function(wrapper):
-        pass

release/mgp/instructions.md

@@ -1,22 +0,0 @@
-# How to publish new versions
-## Prerequisites
-1. Installed poetry
-```
-pip install poetry
-```
-2. Set up [API tokens](https://pypi.org/help/#apitoken)
-3. Be a collaborator on [pypi](https://pypi.org/project/mgp/)
-
-## Making changes
-1. Make changes to the package
-2. Bump version in `pyproject.tml`
-3. `poetry build`
-4. `poetry publish`
-
-## Why is this not automatized?
-
-Because someone always has to manually bump up the version in `pyproject.toml`
-
-## Why does `_mgp.py` exists?
-Because we are mocking here all the types that are created by Memgraph
-in order to fix typing errors in `mgp.py`.

release/mgp/pyproject.toml

@@ -1,23 +0,0 @@
-[tool.poetry]
-name = "mgp"
-version = "1.0.0"
-description = "Memgraph's module for developing MAGE modules. Used only for type hinting!"
-authors = [
-    "MasterMedo <mislav.vuletic@gmail.com>",
-    "jbajic <jure.bajic@memgraph.io>",
-    "katarinasupe <katarina.supe@memgraph.io>",
-    "antejavor <ante.javor@memgraph.io>",
-    "antaljanosbenjamin <benjamin.antal@memgraph.io>",
-]
-license = "Apache-2.0"
-readme = "README.md"
-include = ["mgp.py", "_mgp.py"]
-
-[tool.poetry.dependencies]
-python = "^3.7"
-
-[tool.poetry.dev-dependencies]
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"

release/package/centos-7/Dockerfile

@@ -7,8 +7,8 @@ RUN yum -y update \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-7.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/centos-8/Dockerfile

@@ -0,0 +1,14 @@
+FROM centos:8
+
+ARG TOOLCHAIN_VERSION
+
+RUN dnf -y update \
+    && dnf install -y wget git
+# Do NOT be smart here and clean the cache because the container is used in the
+# stateful context.
+
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-8.tar.gz -C /opt
+
+ENTRYPOINT ["sleep", "infinity"]

release/package/centos-9/Dockerfile

@@ -1,14 +0,0 @@
-FROM quay.io/centos/centos:stream9
-
-ARG TOOLCHAIN_VERSION
-
-RUN yum -y update \
-    && yum install -y wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

release/package/debian-10/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-10.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11-arm/Dockerfile

@@ -1,17 +0,0 @@
-FROM debian:11
-
-ARG TOOLCHAIN_VERSION
-
-# Stops tzdata interactive configuration.
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt update && apt install -y \
-    ca-certificates wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/docker-compose.yml

@@ -4,10 +4,10 @@ services:
     build:
       context: centos-7
     container_name: "mgbuild_centos-7"
-  mgbuild_centos-9:
+  mgbuild_centos-8:
     build:
-      context: centos-9
-    container_name: "mgbuild_centos-9"
+      context: centos-8
+    container_name: "mgbuild_centos-8"
   mgbuild_debian-10:
     build:
       context: debian-10
@@ -24,7 +24,3 @@ services:
     build:
       context: ubuntu-20.04
     container_name: "mgbuild_ubuntu-20.04"
-  mgbuild_ubuntu-22.04:
-    build:
-      context: ubuntu-22.04
-    container_name: "mgbuild_ubuntu-22.04"

release/package/run.sh

@@ -3,7 +3,7 @@
 set -Eeuo pipefail
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-SUPPORTED_OS=(centos-7 centos-9 debian-10 debian-11 ubuntu-18.04 ubuntu-20.04 ubuntu-22.04 debian-11-arm)
+SUPPORTED_OS=(centos-7 centos-8 debian-10 debian-11 ubuntu-18.04 ubuntu-20.04)
 PROJECT_ROOT="$SCRIPT_DIR/../.."
 TOOLCHAIN_VERSION="toolchain-v4"
 ACTIVATE_TOOLCHAIN="source /opt/${TOOLCHAIN_VERSION}/activate"
@@ -67,18 +67,14 @@ make_package () {
     # environment/os/{os}.sh does not come within the toolchain package. When
     # migrating to the next version of toolchain do that, and remove the
     # TOOLCHAIN_RUN_DEPS installation from here.
-    echo "Installing dependencies using '/memgraph/environment/os/$os.sh' script..."
+    echo "Installing dependencies..."
     docker exec "$build_container" bash -c "/memgraph/environment/os/$os.sh install TOOLCHAIN_RUN_DEPS"
     docker exec "$build_container" bash -c "/memgraph/environment/os/$os.sh install MEMGRAPH_BUILD_DEPS"
 
     echo "Building targeted package..."
     docker exec "$build_container" bash -c "cd /memgraph && $ACTIVATE_TOOLCHAIN && ./init"
     docker exec "$build_container" bash -c "cd $container_build_dir && rm -rf ./*"
-    if [[ "$os" == "debian-11-arm" ]]; then
-        docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release -DMG_ARCH="ARM64" $telemetry_id_override_flag .."
-    else
-        docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release $telemetry_id_override_flag .."
-    fi
+    docker exec "$build_container" bash -c "cd $container_build_dir && $ACTIVATE_TOOLCHAIN && cmake -DCMAKE_BUILD_TYPE=release $telemetry_id_override_flag .."
     # ' is used instead of " because we need to run make within the allowed
     # container resources.
     # shellcheck disable=SC2016

release/package/ubuntu-18.04/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-20.04/Dockerfile

@@ -10,8 +10,8 @@ RUN apt update && apt install -y \
 # Do NOT be smart here and clean the cache because the container is used in the
 # stateful context.
 
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz -C /opt
+RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz \
+    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz \
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04.tar.gz -C /opt
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-22.04/Dockerfile

@@ -1,17 +0,0 @@
-FROM ubuntu:22.04
-
-ARG TOOLCHAIN_VERSION
-
-# Stops tzdata interactive configuration.
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt update && apt install -y \
-    ca-certificates wget git
-# Do NOT be smart here and clean the cache because the container is used in the
-# stateful context.
-
-RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz \
-    -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz -C /opt
-
-ENTRYPOINT ["sleep", "infinity"]

src/CMakeLists.txt

@@ -5,23 +5,16 @@ add_subdirectory(lisp)
 add_subdirectory(utils)
 add_subdirectory(requests)
 add_subdirectory(io)
-add_subdirectory(io/simulator)
 add_subdirectory(kvstore)
 add_subdirectory(telemetry)
 add_subdirectory(communication)
 add_subdirectory(memory)
 add_subdirectory(storage/v2)
-add_subdirectory(storage/v3)
 add_subdirectory(integrations)
 add_subdirectory(query)
-add_subdirectory(query/v2)
 add_subdirectory(slk)
 add_subdirectory(rpc)
 add_subdirectory(auth)
-add_subdirectory(parser)
-add_subdirectory(expr)
-add_subdirectory(coordinator)
-add_subdirectory(functions)
 
 if (MG_ENTERPRISE)
   add_subdirectory(audit)
@@ -38,13 +31,13 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 # Memgraph Single Node v2 Executable
 # ----------------------------------------------------------------------------
 set(mg_single_node_v2_sources
-        glue/v2/communication.cpp
-        memgraph.cpp
-        glue/v2/auth.cpp
+    glue/communication.cpp
+    memgraph.cpp
+    glue/auth.cpp
 )
 
 set(mg_single_node_v2_libs stdc++fs Threads::Threads
-    telemetry_lib mg-query-v2 mg-communication mg-memory mg-utils mg-auth mg-license mg-settings mg-io mg-coordinator)
+    telemetry_lib mg-query mg-communication mg-memory mg-utils mg-auth mg-license mg-settings)
 if (MG_ENTERPRISE)
   # These are enterprise subsystems
   set(mg_single_node_v2_libs ${mg_single_node_v2_libs} mg-audit)
@@ -127,3 +120,19 @@ install(CODE "file(MAKE_DIRECTORY \$ENV{DESTDIR}/var/log/memgraph
 # ----------------------------------------------------------------------------
 # Memgraph CSV Import Tool Executable
 # ----------------------------------------------------------------------------
+
+add_executable(mg_import_csv mg_import_csv.cpp)
+target_link_libraries(mg_import_csv mg-storage-v2)
+
+# Strip the executable in release build.
+if (lower_build_type STREQUAL "release")
+  add_custom_command(TARGET mg_import_csv POST_BUILD
+                     COMMAND strip -s mg_import_csv
+                     COMMENT "Stripping symbols and sections from mg_import_csv")
+endif()
+
+install(TARGETS mg_import_csv RUNTIME DESTINATION bin)
+
+# ----------------------------------------------------------------------------
+# Memgraph CSV Import Tool Executable
+# ----------------------------------------------------------------------------

src/auth/models.cpp

@@ -22,7 +22,7 @@
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DEFINE_bool(auth_password_permit_null, true, "Set to false to disable null passwords.");
 
-inline constexpr std::string_view default_password_regex = ".+";
+constexpr std::string_view default_password_regex = ".+";
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
 DEFINE_string(auth_password_strength_regex, default_password_regex.data(),
               "The regular expression that should be used to match the entire "
@@ -37,7 +37,7 @@ const std::vector<Permission> kPermissionsAll = {
     Permission::CONSTRAINT, Permission::DUMP,      Permission::AUTH,        Permission::REPLICATION,
     Permission::DURABILITY, Permission::READ_FILE, Permission::FREE_MEMORY, Permission::TRIGGER,
     Permission::CONFIG,     Permission::STREAM,    Permission::MODULE_READ, Permission::MODULE_WRITE,
-    Permission::WEBSOCKET,  Permission::SCHEMA};
+    Permission::WEBSOCKET};
 }  // namespace
 
 std::string PermissionToString(Permission permission) {
@@ -84,8 +84,6 @@ std::string PermissionToString(Permission permission) {
       return "MODULE_WRITE";
     case Permission::WEBSOCKET:
       return "WEBSOCKET";
-    case Permission::SCHEMA:
-      return "SCHEMA";
   }
 }
 

src/auth/models.hpp

@@ -38,8 +38,7 @@ enum class Permission : uint64_t {
   STREAM       = 1U << 17U,
   MODULE_READ  = 1U << 18U,
   MODULE_WRITE = 1U << 19U,
-  WEBSOCKET    = 1U << 20U,
-  SCHEMA       = 1U << 21U
+  WEBSOCKET    = 1U << 20U
 };
 // clang-format on
 

src/common/errors.hpp

@@ -1,68 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <cstdint>
-#include <string_view>
-
-namespace memgraph::common {
-
-enum class ErrorCode : uint8_t {
-  SERIALIZATION_ERROR,
-  NONEXISTENT_OBJECT,
-  DELETED_OBJECT,
-  VERTEX_HAS_EDGES,
-  PROPERTIES_DISABLED,
-  VERTEX_ALREADY_INSERTED,
-  // Schema Violations
-  SCHEMA_NO_SCHEMA_DEFINED_FOR_LABEL,
-  SCHEMA_VERTEX_PROPERTY_WRONG_TYPE,
-  SCHEMA_VERTEX_UPDATE_PRIMARY_KEY,
-  SCHEMA_VERTEX_UPDATE_PRIMARY_LABEL,
-  SCHEMA_VERTEX_SECONDARY_LABEL_IS_PRIMARY,
-  SCHEMA_VERTEX_PRIMARY_PROPERTIES_UNDEFINED,
-
-  OBJECT_NOT_FOUND,
-};
-
-constexpr std::string_view ErrorCodeToString(const ErrorCode code) {
-  switch (code) {
-    case ErrorCode::SERIALIZATION_ERROR:
-      return "SERIALIZATION_ERROR";
-    case ErrorCode::NONEXISTENT_OBJECT:
-      return "NONEXISTENT_OBJECT";
-    case ErrorCode::DELETED_OBJECT:
-      return "DELETED_OBJECT";
-    case ErrorCode::VERTEX_HAS_EDGES:
-      return "VERTEX_HAS_EDGES";
-    case ErrorCode::PROPERTIES_DISABLED:
-      return "PROPERTIES_DISABLED";
-    case ErrorCode::VERTEX_ALREADY_INSERTED:
-      return "VERTEX_ALREADY_INSERTED";
-    case ErrorCode::SCHEMA_NO_SCHEMA_DEFINED_FOR_LABEL:
-      return "SCHEMA_NO_SCHEMA_DEFINED_FOR_LABEL";
-    case ErrorCode::SCHEMA_VERTEX_PROPERTY_WRONG_TYPE:
-      return "SCHEMA_VERTEX_PROPERTY_WRONG_TYPE";
-    case ErrorCode::SCHEMA_VERTEX_UPDATE_PRIMARY_KEY:
-      return "SCHEMA_VERTEX_UPDATE_PRIMARY_KEY";
-    case ErrorCode::SCHEMA_VERTEX_UPDATE_PRIMARY_LABEL:
-      return "SCHEMA_VERTEX_UPDATE_PRIMARY_LABEL";
-    case ErrorCode::SCHEMA_VERTEX_SECONDARY_LABEL_IS_PRIMARY:
-      return "SCHEMA_VERTEX_SECONDARY_LABEL_IS_PRIMARY";
-    case ErrorCode::SCHEMA_VERTEX_PRIMARY_PROPERTIES_UNDEFINED:
-      return "SCHEMA_VERTEX_PRIMARY_PROPERTIES_UNDEFINED";
-    case ErrorCode::OBJECT_NOT_FOUND:
-      return "OBJECT_NOT_FOUND";
-  }
-}
-
-}  // namespace memgraph::common

src/common/types.hpp

@@ -1,19 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <cstdint>
-
-namespace memgraph::common {
-enum class SchemaType : uint8_t { BOOL, INT, STRING, DATE, LOCALTIME, LOCALDATETIME, DURATION };
-
-}  // namespace memgraph::common

src/communication/bolt/v1/codes.hpp

@@ -15,8 +15,8 @@
 
 namespace memgraph::communication::bolt {
 
-inline constexpr uint8_t kPreamble[4] = {0x60, 0x60, 0xB0, 0x17};
-inline constexpr uint8_t kProtocol[4] = {0x00, 0x00, 0x00, 0x01};
+static constexpr uint8_t kPreamble[4] = {0x60, 0x60, 0xB0, 0x17};
+static constexpr uint8_t kProtocol[4] = {0x00, 0x00, 0x00, 0x01};
 
 enum class Signature : uint8_t {
   Noop = 0x00,
@@ -95,9 +95,9 @@ enum class Marker : uint8_t {
   Struct16 = 0xDD,
 };
 
-inline constexpr uint8_t MarkerString = 0, MarkerList = 1, MarkerMap = 2;
-inline constexpr Marker MarkerTiny[3] = {Marker::TinyString, Marker::TinyList, Marker::TinyMap};
-inline constexpr Marker Marker8[3] = {Marker::String8, Marker::List8, Marker::Map8};
-inline constexpr Marker Marker16[3] = {Marker::String16, Marker::List16, Marker::Map16};
-inline constexpr Marker Marker32[3] = {Marker::String32, Marker::List32, Marker::Map32};
+static constexpr uint8_t MarkerString = 0, MarkerList = 1, MarkerMap = 2;
+static constexpr Marker MarkerTiny[3] = {Marker::TinyString, Marker::TinyList, Marker::TinyMap};
+static constexpr Marker Marker8[3] = {Marker::String8, Marker::List8, Marker::Map8};
+static constexpr Marker Marker16[3] = {Marker::String16, Marker::List16, Marker::Map16};
+static constexpr Marker Marker32[3] = {Marker::String32, Marker::List32, Marker::Map32};
 }  // namespace memgraph::communication::bolt

src/communication/bolt/v1/constants.hpp

@@ -19,17 +19,17 @@ namespace memgraph::communication::bolt {
 /**
  * Sizes related to the chunk defined in Bolt protocol.
  */
-inline constexpr size_t kChunkHeaderSize = 2;
-inline constexpr size_t kChunkMaxDataSize = 65535;
-inline constexpr size_t kChunkWholeSize = kChunkHeaderSize + kChunkMaxDataSize;
+static constexpr size_t kChunkHeaderSize = 2;
+static constexpr size_t kChunkMaxDataSize = 65535;
+static constexpr size_t kChunkWholeSize = kChunkHeaderSize + kChunkMaxDataSize;
 
 /**
  * Handshake size defined in the Bolt protocol.
  */
-inline constexpr size_t kHandshakeSize = 20;
+static constexpr size_t kHandshakeSize = 20;
 
-inline constexpr uint16_t kSupportedVersions[] = {0x0100, 0x0400, 0x0401, 0x0403};
+static constexpr uint16_t kSupportedVersions[] = {0x0100, 0x0400, 0x0401, 0x0403};
 
-inline constexpr int kPullAll = -1;
-inline constexpr int kPullLast = -1;
+static constexpr int kPullAll = -1;
+static constexpr int kPullLast = -1;
 }  // namespace memgraph::communication::bolt

src/communication/bolt/v1/states/executing.hpp

@@ -74,7 +74,7 @@ State RunHandlerV4(Signature signature, TSession &session, State state, Marker m
     }
     case Signature::Route: {
       if constexpr (bolt_minor >= 3) {
-        return HandleRoute<TSession>(session);
+        if (signature == Signature::Route) return HandleRoute<TSession>(session);
       } else {
         spdlog::trace("Supported only in bolt v4.3");
         return State::Close;

src/communication/context.cpp

@@ -78,18 +78,14 @@ bool ClientContext::use_ssl() { return use_ssl_; }
 
 ServerContext::ServerContext(const std::string &key_file, const std::string &cert_file, const std::string &ca_file,
                              bool verify_peer) {
-  namespace ssl = boost::asio::ssl;
-  ctx_.emplace(ssl::context::tls_server);
-  // NOLINTNEXTLINE(hicpp-signed-bitwise)
-  ctx_->set_options(ssl::context::default_workarounds | ssl::context::no_sslv2 | ssl::context::no_sslv3 |
-                    ssl::context::single_dh_use);
+  ctx_.emplace(boost::asio::ssl::context::tls_server);
   ctx_->set_default_verify_paths();
   // TODO: add support for encrypted private keys
   // TODO: add certificate revocation list (CRL)
   boost::system::error_code ec;
   ctx_->use_certificate_chain_file(cert_file, ec);
   MG_ASSERT(!ec, "Couldn't load server certificate from file: {}", cert_file);
-  ctx_->use_private_key_file(key_file, ssl::context::pem, ec);
+  ctx_->use_private_key_file(key_file, boost::asio::ssl::context::pem, ec);
   MG_ASSERT(!ec, "Couldn't load server private key from file: {}", key_file);
 
   ctx_->set_options(SSL_OP_NO_SSLv3, ec);
@@ -104,7 +100,7 @@ ServerContext::ServerContext(const std::string &key_file, const std::string &cer
     if (verify_peer) {
       // Enable verification of the client certificate.
       // NOLINTNEXTLINE(hicpp-signed-bitwise)
-      ctx_->set_verify_mode(ssl::verify_peer | ssl::verify_fail_if_no_peer_cert, ec);
+      ctx_->set_verify_mode(boost::asio::ssl::verify_peer | boost::asio::ssl::verify_fail_if_no_peer_cert, ec);
       MG_ASSERT(!ec, "Setting SSL verification mode failed!");
     }
   }

src/communication/v2/listener.hpp

@@ -1,136 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <atomic>
-#include <chrono>
-#include <cstddef>
-#include <cstdint>
-#include <memory>
-#include <string_view>
-#include <thread>
-#include <vector>
-
-#include <spdlog/spdlog.h>
-#include <boost/asio/io_context.hpp>
-#include <boost/asio/ip/tcp.hpp>
-#include <boost/asio/strand.hpp>
-#include <boost/beast/core.hpp>
-#include <boost/system/detail/error_code.hpp>
-
-#include "communication/context.hpp"
-#include "communication/v2/pool.hpp"
-#include "communication/v2/session.hpp"
-#include "utils/message.hpp"
-#include "utils/spin_lock.hpp"
-#include "utils/synchronized.hpp"
-
-namespace memgraph::communication::v2 {
-
-template <class TSession, class TSessionData>
-class Listener final : public std::enable_shared_from_this<Listener<TSession, TSessionData>> {
-  using tcp = boost::asio::ip::tcp;
-  using SessionHandler = Session<TSession, TSessionData>;
-  using std::enable_shared_from_this<Listener<TSession, TSessionData>>::shared_from_this;
-
- public:
-  Listener(const Listener &) = delete;
-  Listener(Listener &&) = delete;
-  Listener &operator=(const Listener &) = delete;
-  Listener &operator=(Listener &&) = delete;
-  ~Listener() {}
-
-  template <typename... Args>
-  static std::shared_ptr<Listener> Create(Args &&...args) {
-    return std::shared_ptr<Listener>{new Listener(std::forward<Args>(args)...)};
-  }
-
-  void Start() { DoAccept(); }
-
-  bool IsRunning() const noexcept { return alive_.load(std::memory_order_relaxed); }
-
- private:
-  Listener(boost::asio::io_context &io_context, TSessionData &data, ServerContext *server_context,
-           tcp::endpoint &endpoint, const std::string_view service_name, const uint64_t inactivity_timeout_sec)
-      : io_context_(io_context),
-        data_(&data),
-        server_context_(server_context),
-        acceptor_(io_context_),
-        endpoint_{endpoint},
-        service_name_{service_name},
-        inactivity_timeout_{inactivity_timeout_sec} {
-    boost::system::error_code ec;
-    // Open the acceptor
-    acceptor_.open(endpoint.protocol(), ec);
-    if (ec) {
-      OnError(ec, "open");
-      return;
-    }
-
-    // Allow address reuse
-    acceptor_.set_option(boost::asio::socket_base::reuse_address(true), ec);
-    if (ec) {
-      OnError(ec, "set_option");
-      return;
-    }
-
-    // Bind to the server address
-    acceptor_.bind(endpoint, ec);
-    if (ec) {
-      spdlog::error(
-          utils::MessageWithLink("Cannot bind to socket on endpoint {}.", endpoint, "https://memgr.ph/socket"));
-      OnError(ec, "bind");
-      return;
-    }
-
-    acceptor_.listen(boost::asio::socket_base::max_listen_connections, ec);
-    if (ec) {
-      OnError(ec, "listen");
-      return;
-    }
-  }
-
-  void DoAccept() {
-    acceptor_.async_accept(io_context_,
-                           [shared_this = shared_from_this()](auto ec, boost::asio::ip::tcp::socket &&socket) {
-                             shared_this->OnAccept(ec, std::move(socket));
-                           });
-  }
-
-  void OnAccept(boost::system::error_code ec, tcp::socket socket) {
-    if (ec) {
-      return OnError(ec, "accept");
-    }
-
-    auto session = SessionHandler::Create(std::move(socket), *data_, *server_context_, endpoint_, inactivity_timeout_,
-                                          service_name_);
-    session->Start();
-    DoAccept();
-  }
-
-  void OnError(const boost::system::error_code &ec, const std::string_view what) {
-    spdlog::error("Listener failed on {}: {}", what, ec.message());
-    alive_.store(false, std::memory_order_relaxed);
-  }
-
-  boost::asio::io_context &io_context_;
-  TSessionData *data_;
-  ServerContext *server_context_;
-  tcp::acceptor acceptor_;
-
-  tcp::endpoint endpoint_;
-  std::string_view service_name_;
-  std::chrono::seconds inactivity_timeout_;
-
-  std::atomic<bool> alive_;
-};
-}  // namespace memgraph::communication::v2

src/communication/v2/pool.hpp

@@ -1,68 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <cstddef>
-#include <thread>
-#include <vector>
-
-#include <boost/asio/executor_work_guard.hpp>
-#include <boost/asio/io_context.hpp>
-
-#include "utils/logging.hpp"
-
-namespace memgraph::communication::v2 {
-
-class IOContextThreadPool final {
- private:
-  using IOContext = boost::asio::io_context;
-  using IOContextGuard = boost::asio::executor_work_guard<boost::asio::io_context::executor_type>;
-
- public:
-  explicit IOContextThreadPool(size_t pool_size) : guard_{io_context_.get_executor()}, pool_size_{pool_size} {
-    MG_ASSERT(pool_size != 0, "Pool size must be greater then 0!");
-  }
-
-  IOContextThreadPool(const IOContextThreadPool &) = delete;
-  IOContextThreadPool &operator=(const IOContextThreadPool &) = delete;
-  IOContextThreadPool(IOContextThreadPool &&) = delete;
-  IOContextThreadPool &operator=(IOContextThreadPool &&) = delete;
-  ~IOContextThreadPool() = default;
-
-  void Run() {
-    background_threads_.reserve(pool_size_);
-    for (size_t i = 0; i < pool_size_; ++i) {
-      background_threads_.emplace_back([this]() { io_context_.run(); });
-    }
-    running_ = true;
-  }
-
-  void Shutdown() {
-    io_context_.stop();
-    running_ = false;
-  }
-
-  void AwaitShutdown() { background_threads_.clear(); }
-
-  bool IsRunning() const noexcept { return running_; }
-
-  IOContext &GetIOContext() noexcept { return io_context_; }
-
- private:
-  /// The pool of io_context.
-  IOContext io_context_;
-  IOContextGuard guard_;
-  size_t pool_size_;
-  std::vector<std::jthread> background_threads_;
-  bool running_{false};
-};
-}  // namespace memgraph::communication::v2

src/communication/v2/server.hpp

@@ -1,128 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <algorithm>
-#include <cstdint>
-#include <iostream>
-#include <memory>
-#include <optional>
-#include <string>
-#include <thread>
-#include <vector>
-
-#include <fmt/format.h>
-#include <boost/asio/io_context.hpp>
-#include <boost/asio/ip/address.hpp>
-#include <boost/asio/ip/tcp.hpp>
-
-#include "communication/context.hpp"
-#include "communication/init.hpp"
-#include "communication/v2/listener.hpp"
-#include "communication/v2/pool.hpp"
-#include "utils/logging.hpp"
-#include "utils/message.hpp"
-#include "utils/thread.hpp"
-
-namespace memgraph::communication::v2 {
-
-using Socket = boost::asio::ip::tcp::socket;
-using ServerEndpoint = boost::asio::ip::tcp::endpoint;
-/**
- * Communication server.
- *
- * Listens for incoming connections on the server port and assigns them to the
- * connection listener. The listener and session are implemented using asio
- * async model. Currently the implemented model is thread per core model
- * opposed to io_context per core. The reasoning for opting for the former model
- * is the robustness to the multiple resource demanding queries that can be split
- * across multiple threads, and then a single thread would not block io_context,
- * unlike in the latter model where it is possible that thread that accepts
- * request is being blocked by demanding query.
- * All logic is contained within handlers that are being dispatched
- * on a single strand per session. The only exception is write which is
- * synchronous since the nature of the clients conenction is synchronous as
- * well.
- *
- * Current Server architecture:
- * incoming connection -> server -> listener -> session
-
- *
- * @tparam TSession the server can handle different Sessions, each session
- *         represents a different protocol so the same network infrastructure
- *         can be used for handling different protocols
- * @tparam TSessionData the class with objects that will be forwarded to the
- *         session
- */
-template <typename TSession, typename TSessionData>
-class Server final {
-  using ServerHandler = Server<TSession, TSessionData>;
-
- public:
-  /**
-   * Constructs and binds server to endpoint, operates on session data and
-   * invokes workers_count workers
-   */
-  Server(ServerEndpoint &endpoint, TSessionData &session_data, ServerContext *server_context,
-         const int inactivity_timeout_sec, const std::string_view service_name,
-         size_t workers_count = std::thread::hardware_concurrency())
-      : endpoint_{endpoint},
-        service_name_{service_name},
-        context_thread_pool_{workers_count},
-        listener_{Listener<TSession, TSessionData>::Create(context_thread_pool_.GetIOContext(), session_data,
-                                                           server_context, endpoint_, service_name_,
-                                                           inactivity_timeout_sec)} {}
-
-  ~Server() { MG_ASSERT(!IsRunning(), "Server wasn't shutdown properly"); }
-
-  Server(const Server &) = delete;
-  Server(Server &&) = delete;
-  Server &operator=(const Server &) = delete;
-  Server &operator=(Server &&) = delete;
-
-  const auto &Endpoint() const {
-    MG_ASSERT(IsRunning(), "You can't get the server endpoint when it's not running!");
-    return endpoint_;
-  }
-
-  bool Start() {
-    if (IsRunning()) {
-      spdlog::error("The server is already running");
-      return false;
-    }
-    listener_->Start();
-
-    spdlog::info("{} server is fully armed and operational", service_name_);
-    spdlog::info("{} listening on {}", service_name_, endpoint_.address());
-    context_thread_pool_.Run();
-
-    return true;
-  }
-
-  void Shutdown() {
-    context_thread_pool_.Shutdown();
-    spdlog::info("{} shutting down...", service_name_);
-  }
-
-  void AwaitShutdown() { context_thread_pool_.AwaitShutdown(); }
-
-  bool IsRunning() const noexcept { return context_thread_pool_.IsRunning() && listener_->IsRunning(); }
-
- private:
-  ServerEndpoint endpoint_;
-  std::string service_name_;
-
-  IOContextThreadPool context_thread_pool_;
-  std::shared_ptr<Listener<TSession, TSessionData>> listener_;
-};
-
-}  // namespace memgraph::communication::v2

src/communication/v2/session.hpp

@@ -1,517 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <chrono>
-#include <cstddef>
-#include <cstdint>
-#include <cstring>
-#include <deque>
-#include <functional>
-#include <memory>
-#include <string>
-#include <string_view>
-#include <utility>
-#include <variant>
-
-#include <spdlog/spdlog.h>
-#include <boost/asio/bind_executor.hpp>
-#include <boost/asio/buffer.hpp>
-#include <boost/asio/ip/tcp.hpp>
-#include <boost/asio/read.hpp>
-#include <boost/asio/socket_base.hpp>
-#include <boost/asio/ssl/stream.hpp>
-#include <boost/asio/ssl/stream_base.hpp>
-#include <boost/asio/steady_timer.hpp>
-#include <boost/asio/strand.hpp>
-#include <boost/asio/system_context.hpp>
-#include <boost/asio/write.hpp>
-#include <boost/beast/core/tcp_stream.hpp>
-#include <boost/beast/http.hpp>
-#include <boost/beast/websocket.hpp>
-#include <boost/beast/websocket/rfc6455.hpp>
-#include <boost/system/detail/error_code.hpp>
-
-#include "communication/buffer.hpp"
-#include "communication/context.hpp"
-#include "communication/exceptions.hpp"
-#include "utils/logging.hpp"
-#include "utils/variant_helpers.hpp"
-
-namespace memgraph::communication::v2 {
-
-/**
- * This is used to provide input to user Sessions. All Sessions used with the
- * network stack should use this class as their input stream.
- */
-using InputStream = communication::Buffer::ReadEnd;
-using tcp = boost::asio::ip::tcp;
-
-/**
- * This is used to provide output from user Sessions. All Sessions used with the
- * network stack should use this class for their output stream.
- */
-class OutputStream final {
- public:
-  explicit OutputStream(std::function<bool(const uint8_t *, size_t, bool)> write_function)
-      : write_function_(write_function) {}
-
-  OutputStream(const OutputStream &) = delete;
-  OutputStream(OutputStream &&) = delete;
-  OutputStream &operator=(const OutputStream &) = delete;
-  OutputStream &operator=(OutputStream &&) = delete;
-  ~OutputStream() = default;
-
-  bool Write(const uint8_t *data, size_t len, bool have_more = false) { return write_function_(data, len, have_more); }
-
-  bool Write(const std::string &str, bool have_more = false) {
-    return Write(reinterpret_cast<const uint8_t *>(str.data()), str.size(), have_more);
-  }
-
- private:
-  std::function<bool(const uint8_t *, size_t, bool)> write_function_;
-};
-
-/**
- * This class is used internally in the communication stack to handle all user
- * Websocket Sessions. It handles socket ownership, inactivity timeout and protocol
- * wrapping.
- */
-template <typename TSession, typename TSessionData>
-class WebsocketSession : public std::enable_shared_from_this<WebsocketSession<TSession, TSessionData>> {
-  using WebSocket = boost::beast::websocket::stream<boost::beast::tcp_stream>;
-  using std::enable_shared_from_this<WebsocketSession<TSession, TSessionData>>::shared_from_this;
-
- public:
-  template <typename... Args>
-  static std::shared_ptr<WebsocketSession> Create(Args &&...args) {
-    return std::shared_ptr<WebsocketSession>(new WebsocketSession(std::forward<Args>(args)...));
-  }
-
-  // Start the asynchronous accept operation
-  template <class Body, class Allocator>
-  void DoAccept(boost::beast::http::request<Body, boost::beast::http::basic_fields<Allocator>> req) {
-    execution_active_ = true;
-    // Set suggested timeout settings for the websocket
-    ws_.set_option(boost::beast::websocket::stream_base::timeout::suggested(boost::beast::role_type::server));
-    boost::asio::socket_base::keep_alive option(true);
-
-    // Set a decorator to change the Server of the handshake
-    ws_.set_option(boost::beast::websocket::stream_base::decorator([&req](boost::beast::websocket::response_type &res) {
-      res.set(boost::beast::http::field::server, std::string("Memgraph Bolt WS"));
-
-      // We need to do this to support WASM clients, which explicitly send this flag
-      // in their upgrade request
-      // Neo4j client breaks when this flag is sent
-      if (const auto secondary_protocol = req.base().find(boost::beast::http::field::sec_websocket_protocol);
-          secondary_protocol != res.base().end() && secondary_protocol->value() == "binary") {
-        res.set(boost::beast::http::field::sec_websocket_protocol, "binary");
-      }
-    }));
-    ws_.binary(true);
-
-    // Accept the websocket handshake
-    ws_.async_accept(
-        req, boost::asio::bind_executor(strand_, std::bind_front(&WebsocketSession::OnAccept, shared_from_this())));
-  }
-
-  bool Write(const uint8_t *data, size_t len) {
-    if (!IsConnected()) {
-      return false;
-    }
-
-    boost::system::error_code ec;
-    ws_.write(boost::asio::buffer(data, len), ec);
-    if (ec) {
-      OnError(ec, "write");
-      return false;
-    }
-    return true;
-  }
-
- private:
-  // Take ownership of the socket
-  explicit WebsocketSession(tcp::socket &&socket, TSessionData &data, tcp::endpoint endpoint,
-                            std::string_view service_name)
-      : ws_(std::move(socket)),
-        strand_{boost::asio::make_strand(ws_.get_executor())},
-        output_stream_([this](const uint8_t *data, size_t len, bool /*have_more*/) { return Write(data, len); }),
-        session_(data, endpoint, input_buffer_.read_end(), &output_stream_),
-        endpoint_{endpoint},
-        remote_endpoint_{ws_.next_layer().socket().remote_endpoint()},
-        service_name_{service_name} {}
-
-  void OnAccept(boost::beast::error_code ec) {
-    if (ec) {
-      return OnError(ec, "accept");
-    }
-
-    // Read a message
-    DoRead();
-  }
-
-  void DoRead() {
-    if (!IsConnected()) {
-      return;
-    }
-    // Read a message into our buffer
-    auto buffer = input_buffer_.write_end()->Allocate();
-    ws_.async_read_some(
-        boost::asio::buffer(buffer.data, buffer.len),
-        boost::asio::bind_executor(strand_, std::bind_front(&WebsocketSession::OnRead, shared_from_this())));
-  }
-
-  void OnRead(const boost::system::error_code &ec, const size_t bytes_transferred) {
-    // This indicates that the WebsocketSession was closed
-    if (ec == boost::beast::websocket::error::closed) {
-      return;
-    }
-    if (ec) {
-      OnError(ec, "read");
-    }
-    input_buffer_.write_end()->Written(bytes_transferred);
-
-    try {
-      session_.Execute();
-      DoRead();
-    } catch (const SessionClosedException &e) {
-      spdlog::info("{} client {}:{} closed the connection.", service_name_, remote_endpoint_.address(),
-                   remote_endpoint_.port());
-      DoClose();
-    } catch (const std::exception &e) {
-      spdlog::error(
-          "Exception was thrown while processing event in {} session "
-          "associated with {}:{}",
-          service_name_, remote_endpoint_.address(), remote_endpoint_.port());
-      spdlog::debug("Exception message: {}", e.what());
-      DoClose();
-    }
-  }
-
-  void OnError(const boost::system::error_code &ec, const std::string_view action) {
-    spdlog::error("Websocket Bolt session error: {} on {}", ec.message(), action);
-
-    DoClose();
-  }
-
-  void DoClose() {
-    ws_.async_close(
-        boost::beast::websocket::close_code::normal,
-        boost::asio::bind_executor(
-            strand_, [shared_this = shared_from_this()](boost::beast::error_code ec) { shared_this->OnClose(ec); }));
-  }
-
-  void OnClose(const boost::system::error_code &ec) {
-    if (!IsConnected()) {
-      return;
-    }
-    if (ec) {
-      return OnError(ec, "close");
-    }
-  }
-
-  bool IsConnected() const { return ws_.is_open() && execution_active_; }
-
-  WebSocket ws_;
-  boost::asio::strand<WebSocket::executor_type> strand_;
-
-  communication::Buffer input_buffer_;
-  OutputStream output_stream_;
-  TSession session_;
-  tcp::endpoint endpoint_;
-  tcp::endpoint remote_endpoint_;
-  std::string_view service_name_;
-  bool execution_active_{false};
-};
-
-/**
- * This class is used internally in the communication stack to handle all user
- * Sessions. It handles socket ownership, inactivity timeout and protocol
- * wrapping.
- */
-template <typename TSession, typename TSessionData>
-class Session final : public std::enable_shared_from_this<Session<TSession, TSessionData>> {
-  using TCPSocket = tcp::socket;
-  using SSLSocket = boost::asio::ssl::stream<TCPSocket>;
-  using std::enable_shared_from_this<Session<TSession, TSessionData>>::shared_from_this;
-
- public:
-  template <typename... Args>
-  static std::shared_ptr<Session> Create(Args &&...args) {
-    return std::shared_ptr<Session>(new Session(std::forward<Args>(args)...));
-  }
-
-  Session(const Session &) = delete;
-  Session(Session &&) = delete;
-  Session &operator=(const Session &) = delete;
-  Session &operator=(Session &&) = delete;
-  ~Session() = default;
-
-  bool Start() {
-    if (execution_active_) {
-      return false;
-    }
-    execution_active_ = true;
-    timeout_timer_.async_wait(boost::asio::bind_executor(strand_, std::bind(&Session::OnTimeout, shared_from_this())));
-
-    if (std::holds_alternative<SSLSocket>(socket_)) {
-      boost::asio::dispatch(strand_, [shared_this = shared_from_this()] { shared_this->DoHandshake(); });
-    } else {
-      boost::asio::dispatch(strand_, [shared_this = shared_from_this()] { shared_this->DoRead(); });
-    }
-    return true;
-  }
-
-  bool Write(const uint8_t *data, size_t len, bool have_more = false) {
-    if (!IsConnected()) {
-      return false;
-    }
-    return std::visit(
-        utils::Overloaded{[shared_this = shared_from_this(), data, len, have_more](TCPSocket &socket) mutable {
-                            boost::system::error_code ec;
-                            while (len > 0) {
-                              const auto sent = socket.send(boost::asio::buffer(data, len),
-                                                            MSG_NOSIGNAL | (have_more ? MSG_MORE : 0), ec);
-                              if (ec) {
-                                shared_this->OnError(ec);
-                                return false;
-                              }
-                              data += sent;
-                              len -= sent;
-                            }
-                            return true;
-                          },
-                          [shared_this = shared_from_this(), data, len](SSLSocket &socket) mutable {
-                            boost::system::error_code ec;
-                            while (len > 0) {
-                              const auto sent = socket.write_some(boost::asio::buffer(data, len), ec);
-                              if (ec) {
-                                shared_this->OnError(ec);
-                                return false;
-                              }
-                              data += sent;
-                              len -= sent;
-                            }
-                            return true;
-                          }},
-        socket_);
-  }
-
-  bool IsConnected() const {
-    return std::visit([this](const auto &socket) { return execution_active_ && socket.lowest_layer().is_open(); },
-                      socket_);
-  }
-
- private:
-  explicit Session(tcp::socket &&socket, TSessionData &data, ServerContext &server_context, tcp::endpoint endpoint,
-                   const std::chrono::seconds inactivity_timeout_sec, std::string_view service_name)
-      : socket_(CreateSocket(std::move(socket), server_context)),
-        strand_{boost::asio::make_strand(GetExecutor())},
-        output_stream_([this](const uint8_t *data, size_t len, bool have_more) { return Write(data, len, have_more); }),
-        session_(data, endpoint, input_buffer_.read_end(), &output_stream_),
-        data_{&data},
-        endpoint_{endpoint},
-        remote_endpoint_{GetRemoteEndpoint()},
-        service_name_{service_name},
-        timeout_seconds_(inactivity_timeout_sec),
-        timeout_timer_(GetExecutor()) {
-    ExecuteForSocket([](auto &&socket) {
-      socket.lowest_layer().set_option(tcp::no_delay(true));                         // enable PSH
-      socket.lowest_layer().set_option(boost::asio::socket_base::keep_alive(true));  // enable SO_KEEPALIVE
-      socket.lowest_layer().non_blocking(false);
-    });
-    timeout_timer_.expires_at(boost::asio::steady_timer::time_point::max());
-    spdlog::info("Accepted a connection from {}: {}:{}", service_name_, remote_endpoint_.address(),
-                 remote_endpoint_.port());
-  }
-
-  void DoRead() {
-    if (!IsConnected()) {
-      return;
-    }
-    timeout_timer_.expires_after(timeout_seconds_);
-    ExecuteForSocket([this](auto &&socket) {
-      auto buffer = input_buffer_.write_end()->Allocate();
-      socket.async_read_some(
-          boost::asio::buffer(buffer.data, buffer.len),
-          boost::asio::bind_executor(strand_, std::bind_front(&Session::OnRead, shared_from_this())));
-    });
-  }
-
-  bool IsWebsocketUpgrade(boost::beast::http::request_parser<boost::beast::http::string_body> &parser) {
-    boost::system::error_code error_code_parsing;
-    parser.put(boost::asio::buffer(input_buffer_.read_end()->data(), input_buffer_.read_end()->size()),
-               error_code_parsing);
-    if (error_code_parsing) {
-      return false;
-    }
-
-    return boost::beast::websocket::is_upgrade(parser.get());
-  }
-
-  void OnRead(const boost::system::error_code &ec, const size_t bytes_transferred) {
-    if (ec) {
-      return OnError(ec);
-    }
-    input_buffer_.write_end()->Written(bytes_transferred);
-
-    // Can be a websocket connection only on the first read, since it is not
-    // expected from clients to upgrade from tcp to websocket
-    if (!has_received_msg_) {
-      has_received_msg_ = true;
-      boost::beast::http::request_parser<boost::beast::http::string_body> parser;
-
-      if (IsWebsocketUpgrade(parser)) {
-        spdlog::info("Switching {} to websocket connection", remote_endpoint_);
-        if (std::holds_alternative<TCPSocket>(socket_)) {
-          auto sock = std::get<TCPSocket>(std::move(socket_));
-          WebsocketSession<TSession, TSessionData>::Create(std::move(sock), *data_, endpoint_, service_name_)
-              ->DoAccept(parser.release());
-          execution_active_ = false;
-          return;
-        }
-        spdlog::error("Error while upgrading connection to websocket");
-        DoShutdown();
-      }
-    }
-
-    try {
-      session_.Execute();
-      DoRead();
-    } catch (const SessionClosedException &e) {
-      spdlog::info("{} client {}:{} closed the connection.", service_name_, remote_endpoint_.address(),
-                   remote_endpoint_.port());
-      DoShutdown();
-    } catch (const std::exception &e) {
-      spdlog::error(
-          "Exception was thrown while processing event in {} session "
-          "associated with {}:{}",
-          service_name_, remote_endpoint_.address(), remote_endpoint_.port());
-      spdlog::debug("Exception message: {}", e.what());
-      DoShutdown();
-    }
-  }
-
-  void OnError(const boost::system::error_code &ec) {
-    if (ec == boost::asio::error::operation_aborted) {
-      return;
-    }
-
-    if (ec == boost::asio::error::eof) {
-      spdlog::info("Session closed by peer");
-    } else {
-      spdlog::error("Session error: {}", ec.message());
-    }
-
-    DoShutdown();
-  }
-
-  void DoShutdown() {
-    if (!IsConnected()) {
-      return;
-    }
-    execution_active_ = false;
-    timeout_timer_.cancel();
-    ExecuteForSocket([](auto &socket) {
-      boost::system::error_code ec;
-      auto &lowest_layer = socket.lowest_layer();
-      lowest_layer.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
-      if (ec) {
-        spdlog::error("Session shutdown failed: {}", ec.what());
-      }
-      lowest_layer.close();
-    });
-  }
-
-  void DoHandshake() {
-    if (!IsConnected()) {
-      return;
-    }
-    if (auto *socket = std::get_if<SSLSocket>(&socket_); socket) {
-      socket->async_handshake(
-          boost::asio::ssl::stream_base::server,
-          boost::asio::bind_executor(strand_, std::bind_front(&Session::OnHandshake, shared_from_this())));
-    }
-  }
-
-  void OnHandshake(const boost::system::error_code &ec) {
-    if (ec) {
-      return OnError(ec);
-    }
-    DoRead();
-  }
-
-  void OnClose(const boost::system::error_code &ec) {
-    if (ec) {
-      return OnError(ec);
-    }
-  }
-
-  void OnTimeout() {
-    if (!IsConnected()) {
-      return;
-    }
-    // Check whether the deadline has passed. We compare the deadline against
-    // the current time since a new asynchronous operation may have moved the
-    // deadline before this actor had a chance to run.
-    if (timeout_timer_.expiry() <= boost::asio::steady_timer::clock_type::now()) {
-      // The deadline has passed. Stop the session. The other actors will
-      // terminate as soon as possible.
-      spdlog::info("Shutting down session after {} of inactivity", timeout_seconds_.count());
-      DoShutdown();
-    } else {
-      // Put the actor back to sleep.
-      timeout_timer_.async_wait(
-          boost::asio::bind_executor(strand_, std::bind(&Session::OnTimeout, shared_from_this())));
-    }
-  }
-
-  std::variant<TCPSocket, SSLSocket> CreateSocket(tcp::socket &&socket, ServerContext &context) {
-    if (context.use_ssl()) {
-      ssl_context_.emplace(context.context_clone());
-      return SSLSocket{std::move(socket), *ssl_context_};
-    }
-
-    return TCPSocket{std::move(socket)};
-  }
-
-  auto GetExecutor() {
-    return std::visit(utils::Overloaded{[](auto &&socket) { return socket.get_executor(); }}, socket_);
-  }
-
-  auto GetRemoteEndpoint() const {
-    return std::visit(utils::Overloaded{[](const auto &socket) { return socket.lowest_layer().remote_endpoint(); }},
-                      socket_);
-  }
-
-  template <typename F>
-  decltype(auto) ExecuteForSocket(F &&fun) {
-    return std::visit(utils::Overloaded{std::forward<F>(fun)}, socket_);
-  }
-
-  std::variant<TCPSocket, SSLSocket> socket_;
-  std::optional<std::reference_wrapper<boost::asio::ssl::context>> ssl_context_;
-  boost::asio::strand<tcp::socket::executor_type> strand_;
-
-  communication::Buffer input_buffer_;
-  OutputStream output_stream_;
-  TSession session_;
-  TSessionData *data_;
-  tcp::endpoint endpoint_;
-  tcp::endpoint remote_endpoint_;
-  std::string_view service_name_;
-  std::chrono::seconds timeout_seconds_;
-  boost::asio::steady_timer timeout_timer_;
-  bool execution_active_{false};
-  bool has_received_msg_{false};
-};
-}  // namespace memgraph::communication::v2

src/communication/websocket/listener.hpp

@@ -11,6 +11,8 @@
 
 #pragma once
 
+#define BOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT
+
 #include <list>
 #include <memory>
 

src/communication/websocket/server.cpp

@@ -44,10 +44,10 @@ class QuoteEscapeFormatter : public spdlog::custom_flag_formatter {
   void format(const spdlog::details::log_msg &msg, const std::tm & /*time*/, spdlog::memory_buf_t &dest) override {
     for (const auto c : msg.payload) {
       if (c == '"') {
-        static constexpr std::string_view escaped_quote = "\\\"";
+        constexpr std::string_view escaped_quote = "\\\"";
         dest.append(escaped_quote.data(), escaped_quote.data() + escaped_quote.size());
       } else if (c == '\n') {
-        static constexpr std::string_view escaped_newline = "\\n";
+        constexpr std::string_view escaped_newline = "\\n";
         dest.append(escaped_newline.data(), escaped_newline.data() + escaped_newline.size());
       } else {
         dest.push_back(c);

src/communication/websocket/server.hpp

@@ -11,6 +11,8 @@
 
 #pragma once
 
+#define BOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT
+
 #include <thread>
 
 #include <spdlog/sinks/base_sink.h>

src/communication/websocket/session.hpp

@@ -11,6 +11,8 @@
 
 #pragma once
 
+#define BOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT
+
 #include <deque>
 #include <memory>
 #include <optional>

src/coordinator/CMakeLists.txt

@@ -1,9 +0,0 @@
-set(coordinator_src_files
-    coordinator.cpp
-    shard_map.cpp)
-
-find_package(fmt REQUIRED)
-find_package(Threads REQUIRED)
-
-add_library(mg-coordinator STATIC ${coordinator_src_files})
-target_link_libraries(mg-coordinator stdc++fs Threads::Threads fmt::fmt mg-utils mg-storage-v3)

src/coordinator/coordinator.cpp

@@ -1,129 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#include <coordinator/coordinator.hpp>
-
-namespace memgraph::coordinator {
-
-CoordinatorWriteResponses Coordinator::ApplyWrite(HeartbeatRequest &&heartbeat_request) {
-  spdlog::info("Coordinator handling HeartbeatRequest");
-
-  // add this storage engine to any under-replicated shards that it is not already a part of
-
-  auto initializing_rsms_for_shard_manager =
-      shard_map_.AssignShards(heartbeat_request.from_storage_manager, heartbeat_request.initialized_rsms);
-
-  return HeartbeatResponse{
-      .shards_to_initialize = initializing_rsms_for_shard_manager,
-  };
-}
-
-CoordinatorWriteResponses Coordinator::ApplyWrite(HlcRequest &&hlc_request) {
-  HlcResponse res{};
-
-  auto hlc_shard_map = shard_map_.GetHlc();
-
-  MG_ASSERT(!(hlc_request.last_shard_map_version.logical_id > hlc_shard_map.logical_id));
-
-  res.new_hlc = Hlc{
-      .logical_id = ++highest_allocated_timestamp_,
-      // TODO(tyler) probably pass some more context to the Coordinator here
-      // so that we can use our wall clock and enforce monotonicity.
-      // .coordinator_wall_clock = io_.Now(),
-  };
-
-  // Allways return fresher shard_map for now.
-  res.fresher_shard_map = std::make_optional(shard_map_);
-
-  return res;
-}
-
-CoordinatorWriteResponses Coordinator::ApplyWrite(AllocateEdgeIdBatchRequest &&ahr) {
-  AllocateEdgeIdBatchResponse res{};
-
-  uint64_t low = highest_allocated_edge_id_;
-
-  highest_allocated_edge_id_ += ahr.batch_size;
-
-  uint64_t high = highest_allocated_edge_id_;
-
-  res.low = low;
-  res.high = high;
-
-  return res;
-}
-
-/// This splits the shard immediately beneath the provided
-/// split key, keeping the assigned peers identical for now,
-/// but letting them be gradually migrated over time.
-CoordinatorWriteResponses Coordinator::ApplyWrite(SplitShardRequest &&split_shard_request) {
-  SplitShardResponse res{};
-
-  if (split_shard_request.previous_shard_map_version != shard_map_.shard_map_version) {
-    res.success = false;
-  } else {
-    res.success = shard_map_.SplitShard(split_shard_request.previous_shard_map_version, split_shard_request.label_id,
-                                        split_shard_request.split_key);
-  }
-
-  return res;
-}
-
-/// This adds the provided storage engine to the standby storage engine pool,
-/// which can be used to rebalance storage over time.
-CoordinatorWriteResponses Coordinator::ApplyWrite(
-    RegisterStorageEngineRequest && /* register_storage_engine_request */) {
-  RegisterStorageEngineResponse res{};
-  // TODO
-
-  return res;
-}
-
-/// This begins the process of draining the provided storage engine from all raft
-/// clusters that it might be participating in.
-CoordinatorWriteResponses Coordinator::ApplyWrite(
-    DeregisterStorageEngineRequest && /* register_storage_engine_request */) {
-  DeregisterStorageEngineResponse res{};
-  // TODO
-
-  return res;
-}
-
-CoordinatorWriteResponses Coordinator::ApplyWrite(InitializeLabelRequest &&initialize_label_request) {
-  InitializeLabelResponse res{};
-
-  std::optional<LabelId> new_label_id = shard_map_.InitializeNewLabel(
-      initialize_label_request.label_name, initialize_label_request.schema, initialize_label_request.replication_factor,
-      initialize_label_request.last_shard_map_version);
-
-  if (new_label_id) {
-    res.new_label_id = new_label_id.value();
-    res.fresher_shard_map = std::nullopt;
-    res.success = true;
-  } else {
-    res.fresher_shard_map = shard_map_;
-    res.success = false;
-  }
-
-  return res;
-}
-
-CoordinatorWriteResponses Coordinator::ApplyWrite(AllocatePropertyIdsRequest &&allocate_property_ids_request) {
-  AllocatePropertyIdsResponse res{};
-
-  auto property_ids = shard_map_.AllocatePropertyIds(allocate_property_ids_request.property_names);
-
-  res.property_ids = property_ids;
-
-  return res;
-}
-
-}  // namespace memgraph::coordinator

src/coordinator/coordinator.hpp

@@ -1,196 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <optional>
-#include <set>
-#include <string>
-#include <unordered_set>
-#include <variant>
-#include <vector>
-
-#include <boost/uuid/uuid.hpp>
-
-#include <coordinator/hybrid_logical_clock.hpp>
-#include <coordinator/shard_map.hpp>
-#include <io/simulator/simulator.hpp>
-#include <io/time.hpp>
-#include <io/transport.hpp>
-#include <storage/v3/id_types.hpp>
-#include <storage/v3/schemas.hpp>
-
-namespace memgraph::coordinator {
-
-using memgraph::io::Address;
-using memgraph::storage::v3::LabelId;
-using memgraph::storage::v3::PropertyId;
-using memgraph::storage::v3::SchemaProperty;
-using SimT = memgraph::io::simulator::SimulatorTransport;
-using PrimaryKey = std::vector<PropertyValue>;
-
-struct HlcRequest {
-  Hlc last_shard_map_version;
-};
-
-struct HlcResponse {
-  Hlc new_hlc;
-  std::optional<ShardMap> fresher_shard_map;
-};
-
-struct GetShardMapRequest {
-  // No state
-};
-
-struct GetShardMapResponse {
-  ShardMap shard_map;
-};
-
-struct AllocateHlcBatchRequest {
-  Hlc low;
-  Hlc high;
-};
-
-struct AllocateHlcBatchResponse {
-  bool success;
-  Hlc low;
-  Hlc high;
-};
-
-struct AllocateEdgeIdBatchRequest {
-  size_t batch_size;
-};
-
-struct AllocateEdgeIdBatchResponse {
-  uint64_t low;
-  uint64_t high;
-};
-
-struct AllocatePropertyIdsRequest {
-  std::vector<std::string> property_names;
-};
-
-struct AllocatePropertyIdsResponse {
-  std::map<std::string, PropertyId> property_ids;
-};
-
-struct SplitShardRequest {
-  Hlc previous_shard_map_version;
-  LabelId label_id;
-  PrimaryKey split_key;
-};
-
-struct SplitShardResponse {
-  bool success;
-};
-
-struct RegisterStorageEngineRequest {
-  Address address;
-};
-
-struct RegisterStorageEngineResponse {
-  bool success;
-};
-
-struct DeregisterStorageEngineRequest {
-  Address address;
-};
-
-struct DeregisterStorageEngineResponse {
-  bool success;
-};
-
-struct InitializeLabelRequest {
-  std::string label_name;
-  std::vector<SchemaProperty> schema;
-  size_t replication_factor;
-  Hlc last_shard_map_version;
-};
-
-struct InitializeLabelResponse {
-  bool success;
-  LabelId new_label_id;
-  std::optional<ShardMap> fresher_shard_map;
-};
-
-struct HeartbeatRequest {
-  Address from_storage_manager;
-  std::set<boost::uuids::uuid> initialized_rsms;
-};
-
-struct HeartbeatResponse {
-  std::vector<ShardToInitialize> shards_to_initialize;
-};
-
-using CoordinatorWriteRequests =
-    std::variant<HlcRequest, AllocateEdgeIdBatchRequest, SplitShardRequest, RegisterStorageEngineRequest,
-                 DeregisterStorageEngineRequest, InitializeLabelRequest, AllocatePropertyIdsRequest, HeartbeatRequest>;
-using CoordinatorWriteResponses = std::variant<HlcResponse, AllocateEdgeIdBatchResponse, SplitShardResponse,
-                                               RegisterStorageEngineResponse, DeregisterStorageEngineResponse,
-                                               InitializeLabelResponse, AllocatePropertyIdsResponse, HeartbeatResponse>;
-
-using CoordinatorReadRequests = std::variant<GetShardMapRequest>;
-using CoordinatorReadResponses = std::variant<GetShardMapResponse>;
-
-class Coordinator {
- public:
-  explicit Coordinator(ShardMap sm) : shard_map_{std::move(sm)} {}
-
-  // NOLINTNEXTLINE(readability-convert-member-functions-to-static
-  CoordinatorReadResponses Read(CoordinatorReadRequests requests) {
-    return std::visit([&](auto &&request) { return HandleRead(std::forward<decltype(request)>(request)); },
-                      std::move(requests));  // NOLINT(hicpp-move-const-arg,performance-move-const-arg)
-  }
-
-  // NOLINTNEXTLINE(readability-convert-member-functions-to-static
-  CoordinatorWriteResponses Apply(CoordinatorWriteRequests requests) {
-    return std::visit([&](auto &&request) mutable { return ApplyWrite(std::forward<decltype(request)>(request)); },
-                      std::move(requests));
-  }
-
- private:
-  ShardMap shard_map_;
-  uint64_t highest_allocated_timestamp_{0};
-
-  /// Query engines need to periodically request batches of unique edge IDs.
-  uint64_t highest_allocated_edge_id_{0};
-
-  CoordinatorReadResponses HandleRead(GetShardMapRequest && /* get_shard_map_request */) {
-    GetShardMapResponse res;
-    res.shard_map = shard_map_;
-    return res;
-  }
-
-  CoordinatorWriteResponses ApplyWrite(HeartbeatRequest &&heartbeat_request);
-
-  CoordinatorWriteResponses ApplyWrite(HlcRequest &&hlc_request);
-
-  CoordinatorWriteResponses ApplyWrite(AllocateEdgeIdBatchRequest &&ahr);
-
-  /// This splits the shard immediately beneath the provided
-  /// split key, keeping the assigned peers identical for now,
-  /// but letting them be gradually migrated over time.
-  CoordinatorWriteResponses ApplyWrite(SplitShardRequest &&split_shard_request);
-
-  /// This adds the provided storage engine to the standby storage engine pool,
-  /// which can be used to rebalance storage over time.
-  static CoordinatorWriteResponses ApplyWrite(RegisterStorageEngineRequest && /* register_storage_engine_request */);
-
-  /// This begins the process of draining the provided storage engine from all raft
-  /// clusters that it might be participating in.
-  static CoordinatorWriteResponses ApplyWrite(DeregisterStorageEngineRequest && /* register_storage_engine_request */);
-
-  CoordinatorWriteResponses ApplyWrite(InitializeLabelRequest &&initialize_label_request);
-
-  CoordinatorWriteResponses ApplyWrite(AllocatePropertyIdsRequest &&allocate_property_ids_request);
-};
-
-}  // namespace memgraph::coordinator

src/coordinator/coordinator_client.hpp

@@ -1,24 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include "coordinator/coordinator.hpp"
-#include "io/rsm/rsm_client.hpp"
-
-namespace memgraph::coordinator {
-
-using memgraph::io::rsm::RsmClient;
-
-template <typename IoImpl>
-using CoordinatorClient = RsmClient<IoImpl, CoordinatorWriteRequests, CoordinatorWriteResponses,
-                                    CoordinatorReadRequests, CoordinatorReadResponses>;
-}  // namespace memgraph::coordinator

src/coordinator/coordinator_rsm.hpp

@@ -1,23 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include "coordinator/coordinator.hpp"
-#include "io/rsm/raft.hpp"
-
-namespace memgraph::coordinator {
-
-template <typename IoImpl>
-using CoordinatorRsm = memgraph::io::rsm::Raft<IoImpl, Coordinator, CoordinatorWriteRequests, CoordinatorWriteResponses,
-                                               CoordinatorReadRequests, CoordinatorReadResponses>;
-
-}  // namespace memgraph::coordinator

src/coordinator/coordinator_worker.hpp

@@ -1,168 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <chrono>
-#include <deque>
-#include <memory>
-#include <queue>
-#include <variant>
-
-#include "coordinator/coordinator.hpp"
-#include "coordinator/coordinator_rsm.hpp"
-#include "coordinator/shard_map.hpp"
-#include "io/address.hpp"
-#include "io/future.hpp"
-#include "io/messages.hpp"
-#include "io/rsm/raft.hpp"
-#include "io/time.hpp"
-#include "io/transport.hpp"
-#include "query/v2/requests.hpp"
-
-namespace memgraph::coordinator::coordinator_worker {
-
-/// Obligations:
-/// * ShutDown
-/// * Cron
-/// * RouteMessage
-
-using coordinator::Coordinator;
-using coordinator::CoordinatorRsm;
-using io::Address;
-using io::RequestId;
-using io::Time;
-using io::messages::CoordinatorMessages;
-using msgs::ReadRequests;
-using msgs::ReadResponses;
-using msgs::WriteRequests;
-using msgs::WriteResponses;
-
-struct ShutDown {};
-
-struct Cron {};
-
-struct RouteMessage {
-  CoordinatorMessages message;
-  RequestId request_id;
-  Address to;
-  Address from;
-};
-
-using Message = std::variant<RouteMessage, Cron, ShutDown>;
-
-struct QueueInner {
-  std::mutex mu{};
-  std::condition_variable cv;
-  // TODO(tyler) handle simulator communication std::shared_ptr<std::atomic<int>> blocked;
-
-  // TODO(tyler) investigate using a priority queue that prioritizes messages in a way that
-  // improves overall QoS. For example, maybe we want to schedule raft Append messages
-  // ahead of Read messages or generally writes before reads for lowering the load on the
-  // overall system faster etc... When we do this, we need to make sure to avoid
-  // starvation by sometimes randomizing priorities, rather than following a strict
-  // prioritization.
-  std::deque<Message> queue;
-
-  uint64_t submitted = 0;
-  uint64_t calls_to_pop = 0;
-};
-
-/// There are two reasons to implement our own Queue instead of using
-/// one off-the-shelf:
-/// 1. we will need to know in the simulator when all threads are waiting
-/// 2. we will want to implement our own priority queue within this for QoS
-class Queue {
-  std::shared_ptr<QueueInner> inner_ = std::make_shared<QueueInner>();
-
- public:
-  void Push(Message &&message) {
-    {
-      MG_ASSERT(inner_.use_count() > 0);
-      std::unique_lock<std::mutex> lock(inner_->mu);
-
-      inner_->submitted++;
-
-      inner_->queue.emplace_back(std::move(message));
-    }  // lock dropped before notifying condition variable
-
-    inner_->cv.notify_all();
-  }
-
-  Message Pop() {
-    MG_ASSERT(inner_.use_count() > 0);
-    std::unique_lock<std::mutex> lock(inner_->mu);
-
-    inner_->calls_to_pop++;
-    inner_->cv.notify_all();
-
-    while (inner_->queue.empty()) {
-      inner_->cv.wait(lock);
-    }
-
-    Message message = std::move(inner_->queue.front());
-    inner_->queue.pop_front();
-
-    return message;
-  }
-
-  void BlockOnQuiescence() const {
-    MG_ASSERT(inner_.use_count() > 0);
-    std::unique_lock<std::mutex> lock(inner_->mu);
-
-    while (inner_->calls_to_pop <= inner_->submitted) {
-      inner_->cv.wait(lock);
-    }
-  }
-};
-
-/// A CoordinatorWorker owns Raft<CoordinatorRsm> instances. receives messages from the MachineManager.
-template <typename IoImpl>
-class CoordinatorWorker {
-  io::Io<IoImpl> io_;
-  Queue queue_;
-  CoordinatorRsm<IoImpl> coordinator_;
-
-  bool Process(ShutDown && /*shut_down*/) { return false; }
-
-  bool Process(Cron && /* cron */) {
-    coordinator_.Cron();
-    return true;
-  }
-
-  bool Process(RouteMessage &&route_message) {
-    coordinator_.Handle(std::move(route_message.message), route_message.request_id, route_message.from);
-
-    return true;
-  }
-
- public:
-  CoordinatorWorker(io::Io<IoImpl> io, Queue queue, Coordinator coordinator)
-      : io_(std::move(io)), queue_(std::move(queue)), coordinator_{std::move(io_), {}, std::move(coordinator)} {}
-
-  CoordinatorWorker(CoordinatorWorker &&) noexcept = default;
-  CoordinatorWorker &operator=(CoordinatorWorker &&) noexcept = default;
-  CoordinatorWorker(const CoordinatorWorker &) = delete;
-  CoordinatorWorker &operator=(const CoordinatorWorker &) = delete;
-  ~CoordinatorWorker() = default;
-
-  void Run() {
-    bool should_continue = true;
-    while (should_continue) {
-      Message message = queue_.Pop();
-
-      should_continue = std::visit([this](auto &&msg) { return this->Process(std::forward<decltype(msg)>(msg)); },
-                                   std::move(message));
-    }
-  }
-};
-
-}  // namespace memgraph::coordinator::coordinator_worker

src/coordinator/hybrid_logical_clock.hpp

@@ -1,48 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <chrono>
-#include <compare>
-#include <ctime>
-#include <iomanip>
-
-#include "io/time.hpp"
-
-namespace memgraph::coordinator {
-
-using Time = memgraph::io::Time;
-
-/// Hybrid-logical clock
-struct Hlc {
-  uint64_t logical_id = 0;
-  Time coordinator_wall_clock = Time::min();
-
-  auto operator<=>(const Hlc &other) const { return logical_id <=> other.logical_id; }
-
-  bool operator==(const Hlc &other) const = default;
-  bool operator<(const Hlc &other) const = default;
-  bool operator==(const uint64_t other) const { return logical_id == other; }
-  bool operator<(const uint64_t other) const { return logical_id < other; }
-  bool operator>=(const uint64_t other) const { return logical_id >= other; }
-
-  friend std::ostream &operator<<(std::ostream &in, const Hlc &hlc) {
-    auto wall_clock = std::chrono::system_clock::to_time_t(hlc.coordinator_wall_clock);
-    in << "Hlc { logical_id: " << hlc.logical_id;
-    in << ", coordinator_wall_clock: " << std::put_time(std::localtime(&wall_clock), "%F %T");
-    in << " }";
-
-    return in;
-  }
-};
-
-}  // namespace memgraph::coordinator

src/coordinator/shard_map.cpp

@@ -1,576 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#include <optional>
-#include <unordered_map>
-#include <vector>
-
-#include "common/types.hpp"
-#include "coordinator/shard_map.hpp"
-#include "spdlog/spdlog.h"
-#include "storage/v3/schemas.hpp"
-#include "storage/v3/temporal.hpp"
-#include "utils/cast.hpp"
-#include "utils/exceptions.hpp"
-#include "utils/string.hpp"
-
-namespace memgraph::coordinator {
-
-using memgraph::common::SchemaType;
-using memgraph::storage::v3::TemporalData;
-using memgraph::storage::v3::TemporalType;
-
-PrimaryKey SchemaToMinKey(const std::vector<SchemaProperty> &schema) {
-  PrimaryKey ret{};
-
-  const int64_t min_int = std::numeric_limits<int64_t>::min();
-
-  const TemporalData date{TemporalType::Date, min_int};
-  const TemporalData local_time{TemporalType::LocalTime, min_int};
-  const TemporalData local_date_time{TemporalType::LocalDateTime, min_int};
-  const TemporalData duration{TemporalType::Duration, min_int};
-
-  for (const auto &schema_property : schema) {
-    switch (schema_property.type) {
-      case SchemaType::BOOL:
-        ret.emplace_back(PropertyValue(false));
-        break;
-      case SchemaType::INT:
-        ret.emplace_back(PropertyValue(min_int));
-        break;
-      case SchemaType::STRING:
-        ret.emplace_back(PropertyValue(""));
-        break;
-      case SchemaType::DATE:
-        ret.emplace_back(PropertyValue(date));
-        break;
-      case SchemaType::LOCALTIME:
-        ret.emplace_back(PropertyValue(local_time));
-        break;
-      case SchemaType::LOCALDATETIME:
-        ret.emplace_back(PropertyValue(local_date_time));
-        break;
-      case SchemaType::DURATION:
-        ret.emplace_back(PropertyValue(duration));
-        break;
-    }
-  }
-
-  return ret;
-}
-
-ShardMap ShardMap::Parse(std::istream &input_stream) {
-  ShardMap shard_map;
-  const auto read_size = [&input_stream] {
-    size_t size{0};
-    input_stream >> size;
-    return size;
-  };
-
-  // Reads a string until the next whitespace
-  const auto read_word = [&input_stream] {
-    std::string word;
-    input_stream >> word;
-    return word;
-  };
-
-  const auto read_names = [&read_size, &read_word] {
-    const auto number_of_names = read_size();
-    spdlog::trace("Reading {} names", number_of_names);
-    std::vector<std::string> names;
-    names.reserve(number_of_names);
-
-    for (auto name_index = 0; name_index < number_of_names; ++name_index) {
-      names.push_back(read_word());
-      spdlog::trace("Read '{}'", names.back());
-    }
-    return names;
-  };
-
-  const auto read_line = [&input_stream] {
-    std::string line;
-    std::getline(input_stream, line);
-    return line;
-  };
-
-  const auto parse_type = [](const std::string &type) {
-    static const auto type_map = std::unordered_map<std::string, common::SchemaType>{
-        {"string", common::SchemaType::STRING}, {"int", common::SchemaType::INT}, {"bool", common::SchemaType::BOOL}};
-    const auto lower_case_type = utils::ToLowerCase(type);
-    auto it = type_map.find(lower_case_type);
-    MG_ASSERT(it != type_map.end(), "Invalid type in split files: {}", type);
-    return it->second;
-  };
-
-  const auto parse_property_value = [](std::string text, const common::SchemaType type) {
-    if (type == common::SchemaType::STRING) {
-      return storage::v3::PropertyValue{std::move(text)};
-    }
-    if (type == common::SchemaType::INT) {
-      size_t processed{0};
-      int64_t value = std::stoll(text, &processed);
-      MG_ASSERT(processed == text.size() || text[processed] == ' ', "Invalid integer format: '{}'", text);
-      return storage::v3::PropertyValue{value};
-    }
-    LOG_FATAL("Not supported type: {}", utils::UnderlyingCast(type));
-  };
-
-  spdlog::debug("Reading properties");
-  const auto properties = read_names();
-  MG_ASSERT(shard_map.AllocatePropertyIds(properties).size() == properties.size(),
-            "Unexpected number of properties created!");
-
-  spdlog::debug("Reading edge types");
-  const auto edge_types = read_names();
-  MG_ASSERT(shard_map.AllocateEdgeTypeIds(edge_types).size() == edge_types.size(),
-            "Unexpected number of properties created!");
-
-  spdlog::debug("Reading primary labels");
-  const auto number_of_primary_labels = read_size();
-  spdlog::debug("Reading {} primary labels", number_of_primary_labels);
-
-  for (auto label_index = 0; label_index < number_of_primary_labels; ++label_index) {
-    const auto primary_label = read_word();
-    spdlog::debug("Reading primary label named '{}'", primary_label);
-    const auto number_of_primary_properties = read_size();
-    spdlog::debug("Reading {} primary properties", number_of_primary_properties);
-    std::vector<std::string> pp_names;
-    std::vector<common::SchemaType> pp_types;
-    pp_names.reserve(number_of_primary_properties);
-    pp_types.reserve(number_of_primary_properties);
-    for (auto property_index = 0; property_index < number_of_primary_properties; ++property_index) {
-      pp_names.push_back(read_word());
-      spdlog::debug("Reading primary property named '{}'", pp_names.back());
-      pp_types.push_back(parse_type(read_word()));
-    }
-    auto pp_mapping = shard_map.AllocatePropertyIds(pp_names);
-    std::vector<SchemaProperty> schema;
-    schema.reserve(number_of_primary_properties);
-
-    for (auto property_index = 0; property_index < number_of_primary_properties; ++property_index) {
-      schema.push_back(storage::v3::SchemaProperty{pp_mapping.at(pp_names[property_index]), pp_types[property_index]});
-    }
-    const auto hlc = shard_map.GetHlc();
-    MG_ASSERT(shard_map.InitializeNewLabel(primary_label, schema, 1, hlc).has_value(),
-              "Cannot initialize new label: {}", primary_label);
-
-    const auto number_of_split_points = read_size();
-    spdlog::debug("Reading {} split points", number_of_split_points);
-
-    [[maybe_unused]] const auto remainder_from_last_line = read_line();
-    for (auto split_point_index = 0; split_point_index < number_of_split_points; ++split_point_index) {
-      const auto line = read_line();
-      spdlog::debug("Read split point '{}'", line);
-      MG_ASSERT(line.front() == '[', "Invalid split file format!");
-      MG_ASSERT(line.back() == ']', "Invalid split file format!");
-      std::string_view line_view{line};
-      line_view.remove_prefix(1);
-      line_view.remove_suffix(1);
-      static constexpr std::string_view kDelimiter{","};
-      auto pk_values_as_text = utils::Split(line_view, kDelimiter);
-      std::vector<PropertyValue> pk;
-      pk.reserve(number_of_primary_properties);
-      MG_ASSERT(pk_values_as_text.size() == number_of_primary_properties,
-                "Split point contains invalid number of values '{}'", line);
-
-      for (auto property_index = 0; property_index < number_of_primary_properties; ++property_index) {
-        pk.push_back(parse_property_value(std::move(pk_values_as_text[property_index]), schema[property_index].type));
-      }
-      shard_map.SplitShard(shard_map.GetHlc(), shard_map.labels.at(primary_label), pk);
-    }
-  }
-
-  return shard_map;
-}
-
-std::ostream &operator<<(std::ostream &in, const ShardMap &shard_map) {
-  using utils::print_helpers::operator<<;
-
-  in << "ShardMap { shard_map_version: " << shard_map.shard_map_version;
-  in << ", max_property_id: " << shard_map.max_property_id;
-  in << ", max_edge_type_id: " << shard_map.max_edge_type_id;
-  in << ", properties: " << shard_map.properties;
-  in << ", edge_types: " << shard_map.edge_types;
-  in << ", max_label_id: " << shard_map.max_label_id;
-  in << ", labels: " << shard_map.labels;
-  in << ", label_spaces: " << shard_map.label_spaces;
-  in << ", schemas: " << shard_map.schemas;
-  in << "}";
-  return in;
-}
-
-Shards ShardMap::GetShardsForLabel(const LabelName &label) const {
-  const auto id = labels.at(label);
-  const auto &shards = label_spaces.at(id).shards;
-  return shards;
-}
-
-std::vector<Shards> ShardMap::GetAllShards() const {
-  std::vector<Shards> all_shards;
-  all_shards.reserve(label_spaces.size());
-  std::transform(label_spaces.begin(), label_spaces.end(), std::back_inserter(all_shards),
-                 [](const auto &label_space) { return label_space.second.shards; });
-  return all_shards;
-}
-
-// TODO(gabor) later we will want to update the wallclock time with
-// the given Io<impl>'s time as well
-Hlc ShardMap::IncrementShardMapVersion() noexcept {
-  ++shard_map_version.logical_id;
-  return shard_map_version;
-}
-
-// TODO(antaljanosbenjamin) use a single map for all name id
-// mapping and a single counter to maintain the next id
-std::unordered_map<uint64_t, std::string> ShardMap::IdToNames() {
-  std::unordered_map<uint64_t, std::string> id_to_names;
-
-  const auto map_type_ids = [&id_to_names](const auto &name_to_id_type) {
-    for (const auto &[name, id] : name_to_id_type) {
-      id_to_names.emplace(id.AsUint(), name);
-    }
-  };
-
-  map_type_ids(edge_types);
-  map_type_ids(labels);
-  map_type_ids(properties);
-
-  return id_to_names;
-}
-
-Hlc ShardMap::GetHlc() const noexcept { return shard_map_version; }
-
-boost::uuids::uuid NewShardUuid(uint64_t shard_id) {
-  return boost::uuids::uuid{0,
-                            0,
-                            0,
-                            0,
-                            0,
-                            0,
-                            0,
-                            0,
-                            static_cast<unsigned char>(shard_id >> 56U),
-                            static_cast<unsigned char>(shard_id >> 48U),
-                            static_cast<unsigned char>(shard_id >> 40U),
-                            static_cast<unsigned char>(shard_id >> 32U),
-                            static_cast<unsigned char>(shard_id >> 24U),
-                            static_cast<unsigned char>(shard_id >> 16U),
-                            static_cast<unsigned char>(shard_id >> 8U),
-                            static_cast<unsigned char>(shard_id)};
-}
-
-std::vector<ShardToInitialize> ShardMap::AssignShards(Address storage_manager,
-                                                      std::set<boost::uuids::uuid> initialized) {
-  std::vector<ShardToInitialize> ret{};
-
-  bool mutated = false;
-
-  for (auto &[label_id, label_space] : label_spaces) {
-    for (auto it = label_space.shards.begin(); it != label_space.shards.end(); it++) {
-      auto &[low_key, shard] = *it;
-      std::optional<PrimaryKey> high_key;
-      if (const auto next_it = std::next(it); next_it != label_space.shards.end()) {
-        high_key = next_it->first;
-      }
-      // TODO(tyler) avoid these triple-nested loops by having the heartbeat include better info
-      bool machine_contains_shard = false;
-
-      for (auto &aas : shard.peers) {
-        if (initialized.contains(aas.address.unique_id)) {
-          machine_contains_shard = true;
-          if (aas.status != Status::CONSENSUS_PARTICIPANT) {
-            mutated = true;
-            spdlog::info("marking shard as full consensus participant: {}", aas.address.unique_id);
-            aas.status = Status::CONSENSUS_PARTICIPANT;
-          }
-        } else {
-          const bool same_machine = aas.address.last_known_ip == storage_manager.last_known_ip &&
-                                    aas.address.last_known_port == storage_manager.last_known_port;
-          if (same_machine) {
-            machine_contains_shard = true;
-            spdlog::info("reminding shard manager that they should begin participating in shard");
-
-            ret.push_back(ShardToInitialize{
-                .uuid = aas.address.unique_id,
-                .label_id = label_id,
-                .min_key = low_key,
-                .max_key = high_key,
-                .schema = schemas[label_id],
-                .config = Config{},
-                .id_to_names = IdToNames(),
-            });
-          }
-        }
-      }
-
-      if (!machine_contains_shard && shard.peers.size() < label_space.replication_factor) {
-        // increment version for each new uuid for deterministic creation
-        IncrementShardMapVersion();
-
-        Address address = storage_manager;
-
-        // TODO(tyler) use deterministic UUID so that coordinators don't diverge here
-        address.unique_id = NewShardUuid(shard_map_version.logical_id);
-
-        spdlog::info("assigning shard manager to shard");
-
-        ret.push_back(ShardToInitialize{
-            .uuid = address.unique_id,
-            .label_id = label_id,
-            .min_key = low_key,
-            .max_key = high_key,
-            .schema = schemas[label_id],
-            .config = Config{},
-            .id_to_names = IdToNames(),
-        });
-
-        AddressAndStatus aas = {
-            .address = address,
-            .status = Status::INITIALIZING,
-        };
-
-        shard.peers.emplace_back(aas);
-      }
-    }
-  }
-
-  if (mutated) {
-    IncrementShardMapVersion();
-  }
-  return ret;
-}
-
-bool ShardMap::SplitShard(Hlc previous_shard_map_version, LabelId label_id, const PrimaryKey &key) {
-  if (previous_shard_map_version != shard_map_version) {
-    return false;
-  }
-
-  auto &label_space = label_spaces.at(label_id);
-  auto &shards_in_map = label_space.shards;
-
-  MG_ASSERT(!shards_in_map.empty());
-  MG_ASSERT(!shards_in_map.contains(key));
-  MG_ASSERT(label_spaces.contains(label_id));
-
-  // Finding the ShardMetadata that the new PrimaryKey should map to.
-  auto prev = std::prev(shards_in_map.upper_bound(key));
-  ShardMetadata duplicated_shard = prev->second;
-
-  // Apply the split
-  shards_in_map[key] = duplicated_shard;
-
-  IncrementShardMapVersion();
-
-  return true;
-}
-
-std::optional<LabelId> ShardMap::InitializeNewLabel(std::string label_name, std::vector<SchemaProperty> schema,
-                                                    size_t replication_factor, Hlc last_shard_map_version) {
-  if (shard_map_version != last_shard_map_version || labels.contains(label_name)) {
-    return std::nullopt;
-  }
-
-  const LabelId label_id = LabelId::FromUint(++max_label_id);
-
-  labels.emplace(std::move(label_name), label_id);
-
-  PrimaryKey initial_key = SchemaToMinKey(schema);
-  ShardMetadata empty_shard = {};
-
-  Shards shards = {
-      {initial_key, empty_shard},
-  };
-
-  LabelSpace label_space{
-      .schema = schema,
-      .shards = shards,
-      .replication_factor = replication_factor,
-  };
-  schemas[label_id] = std::move(schema);
-
-  label_spaces.emplace(label_id, label_space);
-
-  IncrementShardMapVersion();
-
-  return label_id;
-}
-
-void ShardMap::AddServer(Address server_address) {
-  // Find a random place for the server to plug in
-}
-
-std::optional<LabelId> ShardMap::GetLabelId(const std::string &label) const {
-  if (const auto it = labels.find(label); it != labels.end()) {
-    return it->second;
-  }
-  return std::nullopt;
-}
-
-const std::string &ShardMap::GetLabelName(const LabelId label) const {
-  if (const auto it =
-          std::ranges::find_if(labels, [label](const auto &name_id_pair) { return name_id_pair.second == label; });
-      it != labels.end()) {
-    return it->first;
-  }
-  throw utils::BasicException("GetLabelName fails on the given label id!");
-}
-
-std::optional<PropertyId> ShardMap::GetPropertyId(const std::string &property_name) const {
-  if (const auto it = properties.find(property_name); it != properties.end()) {
-    return it->second;
-  }
-  return std::nullopt;
-}
-
-const std::string &ShardMap::GetPropertyName(const PropertyId property) const {
-  if (const auto it = std::ranges::find_if(
-          properties, [property](const auto &name_id_pair) { return name_id_pair.second == property; });
-      it != properties.end()) {
-    return it->first;
-  }
-  throw utils::BasicException("PropertyId not found!");
-}
-
-std::optional<EdgeTypeId> ShardMap::GetEdgeTypeId(const std::string &edge_type) const {
-  if (const auto it = edge_types.find(edge_type); it != edge_types.end()) {
-    return it->second;
-  }
-  return std::nullopt;
-}
-
-const std::string &ShardMap::GetEdgeTypeName(const EdgeTypeId property) const {
-  if (const auto it = std::ranges::find_if(
-          edge_types, [property](const auto &name_id_pair) { return name_id_pair.second == property; });
-      it != edge_types.end()) {
-    return it->first;
-  }
-  throw utils::BasicException("EdgeTypeId not found!");
-}
-
-Shards ShardMap::GetShardsForRange(const LabelName &label_name, const PrimaryKey &start_key,
-                                   const PrimaryKey &end_key) const {
-  MG_ASSERT(start_key <= end_key);
-  MG_ASSERT(labels.contains(label_name));
-
-  LabelId label_id = labels.at(label_name);
-
-  const auto &label_space = label_spaces.at(label_id);
-
-  const auto &shards_for_label = label_space.shards;
-
-  MG_ASSERT(shards_for_label.begin()->first <= start_key,
-            "the ShardMap must always contain a minimal key that is less than or equal to any requested key");
-
-  auto it = std::prev(shards_for_label.upper_bound(start_key));
-  const auto end_it = shards_for_label.upper_bound(end_key);
-
-  Shards shards{};
-
-  std::copy(it, end_it, std::inserter(shards, shards.end()));
-
-  return shards;
-}
-
-ShardMetadata ShardMap::GetShardForKey(const LabelName &label_name, const PrimaryKey &key) const {
-  MG_ASSERT(labels.contains(label_name));
-
-  LabelId label_id = labels.at(label_name);
-
-  const auto &label_space = label_spaces.at(label_id);
-
-  MG_ASSERT(label_space.shards.begin()->first <= key,
-            "the ShardMap must always contain a minimal key that is less than or equal to any requested key");
-
-  return std::prev(label_space.shards.upper_bound(key))->second;
-}
-
-ShardMetadata ShardMap::GetShardForKey(const LabelId &label_id, const PrimaryKey &key) const {
-  MG_ASSERT(label_spaces.contains(label_id));
-
-  const auto &label_space = label_spaces.at(label_id);
-
-  MG_ASSERT(label_space.shards.begin()->first <= key,
-            "the ShardMap must always contain a minimal key that is less than or equal to any requested key");
-
-  return std::prev(label_space.shards.upper_bound(key))->second;
-}
-
-PropertyMap ShardMap::AllocatePropertyIds(const std::vector<PropertyName> &new_properties) {
-  PropertyMap ret{};
-
-  bool mutated = false;
-
-  for (const auto &property_name : new_properties) {
-    if (properties.contains(property_name)) {
-      auto property_id = properties.at(property_name);
-      ret.emplace(property_name, property_id);
-    } else {
-      mutated = true;
-
-      const PropertyId property_id = PropertyId::FromUint(++max_property_id);
-      ret.emplace(property_name, property_id);
-      properties.emplace(property_name, property_id);
-    }
-  }
-
-  if (mutated) {
-    IncrementShardMapVersion();
-  }
-
-  return ret;
-}
-
-EdgeTypeIdMap ShardMap::AllocateEdgeTypeIds(const std::vector<EdgeTypeName> &new_edge_types) {
-  EdgeTypeIdMap ret;
-
-  bool mutated = false;
-
-  for (const auto &edge_type_name : new_edge_types) {
-    if (edge_types.contains(edge_type_name)) {
-      auto edge_type_id = edge_types.at(edge_type_name);
-      ret.emplace(edge_type_name, edge_type_id);
-    } else {
-      mutated = true;
-
-      const EdgeTypeId edge_type_id = EdgeTypeId::FromUint(++max_edge_type_id);
-      ret.emplace(edge_type_name, edge_type_id);
-      edge_types.emplace(edge_type_name, edge_type_id);
-    }
-  }
-
-  if (mutated) {
-    IncrementShardMapVersion();
-  }
-
-  return ret;
-}
-
-bool ShardMap::ClusterInitialized() const {
-  for (const auto &[label_id, label_space] : label_spaces) {
-    for (const auto &[low_key, shard] : label_space.shards) {
-      if (shard.peers.size() < label_space.replication_factor) {
-        spdlog::info("label_space below desired replication factor");
-        return false;
-      }
-
-      for (const auto &aas : shard.peers) {
-        if (aas.status != Status::CONSENSUS_PARTICIPANT) {
-          spdlog::info("shard member not yet a CONSENSUS_PARTICIPANT");
-          return false;
-        }
-      }
-    }
-  }
-
-  return true;
-}
-
-}  // namespace memgraph::coordinator

src/coordinator/shard_map.hpp

@@ -1,204 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <algorithm>
-#include <limits>
-#include <map>
-#include <set>
-#include <vector>
-
-#include <boost/uuid/uuid.hpp>
-#include <boost/uuid/uuid_generators.hpp>
-
-#include "common/types.hpp"
-#include "coordinator/hybrid_logical_clock.hpp"
-#include "io/address.hpp"
-#include "storage/v3/config.hpp"
-#include "storage/v3/id_types.hpp"
-#include "storage/v3/name_id_mapper.hpp"
-#include "storage/v3/property_value.hpp"
-#include "storage/v3/schemas.hpp"
-#include "storage/v3/temporal.hpp"
-#include "utils/exceptions.hpp"
-#include "utils/print_helpers.hpp"
-
-namespace memgraph::coordinator {
-
-constexpr int64_t kNotExistingId{0};
-
-using memgraph::io::Address;
-using memgraph::storage::v3::Config;
-using memgraph::storage::v3::EdgeTypeId;
-using memgraph::storage::v3::LabelId;
-using memgraph::storage::v3::PropertyId;
-using memgraph::storage::v3::PropertyValue;
-using memgraph::storage::v3::SchemaProperty;
-
-enum class Status : uint8_t {
-  CONSENSUS_PARTICIPANT,
-  INITIALIZING,
-  // TODO(tyler) this will possibly have more states,
-  // depending on the reconfiguration protocol that we
-  // implement.
-};
-
-struct AddressAndStatus {
-  memgraph::io::Address address;
-  Status status;
-
-  friend bool operator<(const AddressAndStatus &lhs, const AddressAndStatus &rhs) { return lhs.address < rhs.address; }
-
-  friend std::ostream &operator<<(std::ostream &in, const AddressAndStatus &address_and_status) {
-    in << "AddressAndStatus { address: ";
-    in << address_and_status.address;
-    if (address_and_status.status == Status::CONSENSUS_PARTICIPANT) {
-      in << ", status: CONSENSUS_PARTICIPANT }";
-    } else {
-      in << ", status: INITIALIZING }";
-    }
-
-    return in;
-  }
-
-  friend bool operator==(const AddressAndStatus &lhs, const AddressAndStatus &rhs) {
-    return lhs.address == rhs.address;
-  }
-};
-
-using PrimaryKey = std::vector<PropertyValue>;
-
-struct ShardMetadata {
-  std::vector<AddressAndStatus> peers;
-  uint64_t version;
-
-  friend std::ostream &operator<<(std::ostream &in, const ShardMetadata &shard) {
-    using utils::print_helpers::operator<<;
-
-    in << "ShardMetadata { peers: ";
-    in << shard.peers;
-    in << " version: ";
-    in << shard.version;
-    in << " }";
-
-    return in;
-  }
-
-  friend bool operator==(const ShardMetadata &lhs, const ShardMetadata &rhs) = default;
-
-  friend bool operator<(const ShardMetadata &lhs, const ShardMetadata &rhs) {
-    if (lhs.peers != rhs.peers) {
-      return lhs.peers < rhs.peers;
-    }
-
-    return lhs.version < rhs.version;
-  }
-};
-
-using Shards = std::map<PrimaryKey, ShardMetadata>;
-using LabelName = std::string;
-using PropertyName = std::string;
-using EdgeTypeName = std::string;
-using PropertyMap = std::map<PropertyName, PropertyId>;
-using EdgeTypeIdMap = std::map<EdgeTypeName, EdgeTypeId>;
-
-struct ShardToInitialize {
-  boost::uuids::uuid uuid;
-  LabelId label_id;
-  PrimaryKey min_key;
-  std::optional<PrimaryKey> max_key;
-  std::vector<SchemaProperty> schema;
-  Config config;
-  std::unordered_map<uint64_t, std::string> id_to_names;
-};
-
-PrimaryKey SchemaToMinKey(const std::vector<SchemaProperty> &schema);
-
-struct LabelSpace {
-  std::vector<SchemaProperty> schema;
-  // Maps between the smallest primary key stored in the shard and the shard
-  std::map<PrimaryKey, ShardMetadata> shards;
-  size_t replication_factor;
-
-  friend std::ostream &operator<<(std::ostream &in, const LabelSpace &label_space) {
-    using utils::print_helpers::operator<<;
-
-    in << "LabelSpace { schema: ";
-    in << label_space.schema;
-    in << ", shards: ";
-    in << label_space.shards;
-    in << ", replication_factor: " << label_space.replication_factor << "}";
-
-    return in;
-  }
-};
-
-struct ShardMap {
-  Hlc shard_map_version;
-  uint64_t max_property_id{kNotExistingId};
-  uint64_t max_edge_type_id{kNotExistingId};
-  std::map<PropertyName, PropertyId> properties;
-  std::map<EdgeTypeName, EdgeTypeId> edge_types;
-  uint64_t max_label_id{kNotExistingId};
-  std::map<LabelId, LabelSpace> label_spaces;
-  std::map<LabelId, std::vector<SchemaProperty>> schemas;
-  std::map<LabelName, LabelId> labels;
-
-  [[nodiscard]] static ShardMap Parse(std::istream &input_stream);
-  friend std::ostream &operator<<(std::ostream &in, const ShardMap &shard_map);
-
-  Shards GetShardsForLabel(const LabelName &label) const;
-
-  std::vector<Shards> GetAllShards() const;
-
-  // TODO(gabor) later we will want to update the wallclock time with
-  // the given Io<impl>'s time as well
-  Hlc IncrementShardMapVersion() noexcept;
-  Hlc GetHlc() const noexcept;
-
-  std::unordered_map<uint64_t, std::string> IdToNames();
-
-  // Returns the shard UUIDs that have been assigned but not yet acknowledged for this storage manager
-  std::vector<ShardToInitialize> AssignShards(Address storage_manager, std::set<boost::uuids::uuid> initialized);
-
-  bool SplitShard(Hlc previous_shard_map_version, LabelId label_id, const PrimaryKey &key);
-
-  std::optional<LabelId> InitializeNewLabel(std::string label_name, std::vector<SchemaProperty> schema,
-                                            size_t replication_factor, Hlc last_shard_map_version);
-
-  void AddServer(Address server_address);
-
-  std::optional<LabelId> GetLabelId(const std::string &label) const;
-  // TODO(antaljanosbenjamin): Remove this and instead use NameIdMapper
-  const std::string &GetLabelName(LabelId label) const;
-  std::optional<PropertyId> GetPropertyId(const std::string &property_name) const;
-  const std::string &GetPropertyName(PropertyId property) const;
-  std::optional<EdgeTypeId> GetEdgeTypeId(const std::string &edge_type) const;
-  const std::string &GetEdgeTypeName(EdgeTypeId property) const;
-
-  Shards GetShardsForRange(const LabelName &label_name, const PrimaryKey &start_key, const PrimaryKey &end_key) const;
-
-  ShardMetadata GetShardForKey(const LabelName &label_name, const PrimaryKey &key) const;
-
-  ShardMetadata GetShardForKey(const LabelId &label_id, const PrimaryKey &key) const;
-
-  PropertyMap AllocatePropertyIds(const std::vector<PropertyName> &new_properties);
-
-  EdgeTypeIdMap AllocateEdgeTypeIds(const std::vector<EdgeTypeName> &new_edge_types);
-
-  /// Returns true if all shards have the desired number of replicas and they are in
-  /// the CONSENSUS_PARTICIPANT state. Note that this does not necessarily mean that
-  /// there is also an active leader for each shard.
-  bool ClusterInitialized() const;
-};
-
-}  // namespace memgraph::coordinator

src/expr/CMakeLists.txt

@@ -1,20 +0,0 @@
-define_add_lcp(add_lcp_expr lcp_expr_cpp_files generated_lcp_expr_files)
-
-add_lcp_expr(semantic/symbol.lcp)
-
-add_custom_target(generate_lcp_expr DEPENDS ${generated_lcp_expr_files})
-
-set(mg_expr_sources
-    ${lcp_expr_cpp_files}
-    parsing.cpp)
-
-find_package(Boost REQUIRED)
-
-add_library(mg-expr STATIC ${mg_expr_sources})
-add_dependencies(mg-expr generate_lcp_expr)
-target_include_directories(mg-expr PUBLIC ${CMAKE_SOURCE_DIR}/include)
-target_include_directories(mg-expr PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-target_include_directories(mg-expr PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/ast)
-target_include_directories(mg-expr PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/interpret)
-target_include_directories(mg-expr PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/semantic)
-target_link_libraries(mg-expr cppitertools Boost::headers mg-utils mg-parser mg-functions)

src/expr/ast.hpp

@@ -1,33 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-#pragma once
-
-#ifndef MG_AST_INCLUDE_PATH
-#ifdef MG_CLANG_TIDY_CHECK
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#include "query/v2/bindings/bindings.hpp"
-#else
-#error Missing AST include path
-#endif
-#endif
-
-#ifndef MG_INJECTED_NAMESPACE_NAME
-#ifdef MG_CLANG_TIDY_CHECK
-#else
-#error Missing AST namespace
-#endif
-#endif
-
-#include MG_AST_INCLUDE_PATH
-
-namespace memgraph::expr {
-using namespace MG_INJECTED_NAMESPACE_NAME;  // NOLINT(google-build-using-namespace)
-}  // namespace memgraph::expr

src/expr/ast/ast_visitor.hpp

@@ -1,135 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include "utils/visitor.hpp"
-
-namespace MG_INJECTED_NAMESPACE_NAME {
-
-// Forward declares for Tree visitors.
-class CypherQuery;
-class SingleQuery;
-class CypherUnion;
-class NamedExpression;
-class Identifier;
-class PropertyLookup;
-class LabelsTest;
-class Aggregation;
-class Function;
-class Reduce;
-class Coalesce;
-class Extract;
-class All;
-class Single;
-class Any;
-class None;
-class ParameterLookup;
-class CallProcedure;
-class Create;
-class Match;
-class Return;
-class With;
-class Pattern;
-class NodeAtom;
-class EdgeAtom;
-class PrimitiveLiteral;
-class ListLiteral;
-class MapLiteral;
-class OrOperator;
-class XorOperator;
-class AndOperator;
-class NotOperator;
-class AdditionOperator;
-class SubtractionOperator;
-class MultiplicationOperator;
-class DivisionOperator;
-class ModOperator;
-class UnaryPlusOperator;
-class UnaryMinusOperator;
-class IsNullOperator;
-class NotEqualOperator;
-class EqualOperator;
-class LessOperator;
-class GreaterOperator;
-class LessEqualOperator;
-class GreaterEqualOperator;
-class InListOperator;
-class SubscriptOperator;
-class ListSlicingOperator;
-class IfOperator;
-class Delete;
-class Where;
-class SetProperty;
-class SetProperties;
-class SetLabels;
-class RemoveProperty;
-class RemoveLabels;
-class Merge;
-class Unwind;
-class AuthQuery;
-class ExplainQuery;
-class ProfileQuery;
-class IndexQuery;
-class InfoQuery;
-class ConstraintQuery;
-class RegexMatch;
-class DumpQuery;
-class ReplicationQuery;
-class LockPathQuery;
-class LoadCsv;
-class FreeMemoryQuery;
-class TriggerQuery;
-class IsolationLevelQuery;
-class CreateSnapshotQuery;
-class StreamQuery;
-class SettingQuery;
-class VersionQuery;
-class Foreach;
-class SchemaQuery;
-
-using TreeCompositeVisitor = memgraph::utils::CompositeVisitor<
-    SingleQuery, CypherUnion, NamedExpression, OrOperator, XorOperator, AndOperator, NotOperator, AdditionOperator,
-    SubtractionOperator, MultiplicationOperator, DivisionOperator, ModOperator, NotEqualOperator, EqualOperator,
-    LessOperator, GreaterOperator, LessEqualOperator, GreaterEqualOperator, InListOperator, SubscriptOperator,
-    ListSlicingOperator, IfOperator, UnaryPlusOperator, UnaryMinusOperator, IsNullOperator, ListLiteral, MapLiteral,
-    PropertyLookup, LabelsTest, Aggregation, Function, Reduce, Coalesce, Extract, All, Single, Any, None, CallProcedure,
-    Create, Match, Return, With, Pattern, NodeAtom, EdgeAtom, Delete, Where, SetProperty, SetProperties, SetLabels,
-    RemoveProperty, RemoveLabels, Merge, Unwind, RegexMatch, LoadCsv, Foreach>;
-
-using TreeLeafVisitor = memgraph::utils::LeafVisitor<Identifier, PrimitiveLiteral, ParameterLookup>;
-
-class HierarchicalTreeVisitor : public TreeCompositeVisitor, public TreeLeafVisitor {
- public:
-  using TreeCompositeVisitor::PostVisit;
-  using TreeCompositeVisitor::PreVisit;
-  using TreeLeafVisitor::Visit;
-  using typename TreeLeafVisitor::ReturnType;
-};
-
-template <class TResult>
-class ExpressionVisitor
-    : public memgraph::utils::Visitor<
-          TResult, NamedExpression, OrOperator, XorOperator, AndOperator, NotOperator, AdditionOperator,
-          SubtractionOperator, MultiplicationOperator, DivisionOperator, ModOperator, NotEqualOperator, EqualOperator,
-          LessOperator, GreaterOperator, LessEqualOperator, GreaterEqualOperator, InListOperator, SubscriptOperator,
-          ListSlicingOperator, IfOperator, UnaryPlusOperator, UnaryMinusOperator, IsNullOperator, ListLiteral,
-          MapLiteral, PropertyLookup, LabelsTest, Aggregation, Function, Reduce, Coalesce, Extract, All, Single, Any,
-          None, ParameterLookup, Identifier, PrimitiveLiteral, RegexMatch> {};
-
-template <class TResult>
-class QueryVisitor
-    : public memgraph::utils::Visitor<TResult, CypherQuery, ExplainQuery, ProfileQuery, IndexQuery, AuthQuery,
-                                      InfoQuery, ConstraintQuery, DumpQuery, ReplicationQuery, LockPathQuery,
-                                      FreeMemoryQuery, TriggerQuery, IsolationLevelQuery, CreateSnapshotQuery,
-                                      StreamQuery, SettingQuery, VersionQuery, SchemaQuery> {};
-
-}  // namespace MG_INJECTED_NAMESPACE_NAME

src/expr/ast/pretty_print.hpp

@@ -1,271 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <iostream>
-#include <type_traits>
-
-#include "expr/ast.hpp"
-#include "expr/typed_value.hpp"
-#include "utils/algorithm.hpp"
-#include "utils/logging.hpp"
-#include "utils/string.hpp"
-
-namespace memgraph::expr {
-namespace detail {
-template <typename T>
-void PrintObject(std::ostream *out, const T &arg) {
-  static_assert(!std::is_convertible<T, Expression *>::value,
-                "This overload shouldn't be called with pointers convertible "
-                "to Expression *. This means your other PrintObject overloads aren't "
-                "being called for certain AST nodes when they should (or perhaps such "
-                "overloads don't exist yet).");
-  *out << arg;
-}
-
-inline void PrintObject(std::ostream *out, const std::string &str) { *out << utils::Escape(str); }
-
-inline void PrintObject(std::ostream *out, Aggregation::Op op) { *out << Aggregation::OpToString(op); }
-
-inline void PrintObject(std::ostream *out, Expression *expr);
-
-inline void PrintObject(std::ostream *out, Identifier *expr) { PrintObject(out, static_cast<Expression *>(expr)); }
-
-template <typename T>
-void PrintObject(std::ostream *out, const std::vector<T> &vec) {
-  *out << "[";
-  utils::PrintIterable(*out, vec, ", ", [](auto &stream, const auto &item) { PrintObject(&stream, item); });
-  *out << "]";
-}
-
-template <typename T>
-void PrintObject(std::ostream *out, const std::vector<T, utils::Allocator<T>> &vec) {
-  *out << "[";
-  utils::PrintIterable(*out, vec, ", ", [](auto &stream, const auto &item) { PrintObject(&stream, item); });
-  *out << "]";
-}
-
-template <typename K, typename V>
-void PrintObject(std::ostream *out, const std::map<K, V> &map) {
-  *out << "{";
-  utils::PrintIterable(*out, map, ", ", [](auto &stream, const auto &item) {
-    PrintObject(&stream, item.first);
-    stream << ": ";
-    PrintObject(&stream, item.second);
-  });
-  *out << "}";
-}
-
-template <typename T>
-void PrintObject(std::ostream *out, const utils::pmr::map<utils::pmr::string, T> &map) {
-  *out << "{";
-  utils::PrintIterable(*out, map, ", ", [](auto &stream, const auto &item) {
-    PrintObject(&stream, item.first);
-    stream << ": ";
-    PrintObject(&stream, item.second);
-  });
-  *out << "}";
-}
-
-template <typename T1, typename T2, typename T3>
-inline void PrintObject(std::ostream *out, const TypedValueT<T1, T2, T3> &value) {
-  using TypedValue = TypedValueT<T1, T2, T3>;
-  switch (value.type()) {
-    case TypedValue::Type::Null:
-      *out << "null";
-      break;
-    case TypedValue::Type::String:
-      PrintObject(out, value.ValueString());
-      break;
-    case TypedValue::Type::Bool:
-      *out << (value.ValueBool() ? "true" : "false");
-      break;
-    case TypedValue::Type::Int:
-      PrintObject(out, value.ValueInt());
-      break;
-    case TypedValue::Type::Double:
-      PrintObject(out, value.ValueDouble());
-      break;
-    case TypedValue::Type::List:
-      PrintObject(out, value.ValueList());
-      break;
-    case TypedValue::Type::Map:
-      PrintObject(out, value.ValueMap());
-      break;
-    case TypedValue::Type::Date:
-      PrintObject(out, value.ValueDate());
-      break;
-    case TypedValue::Type::Duration:
-      PrintObject(out, value.ValueDuration());
-      break;
-    case TypedValue::Type::LocalTime:
-      PrintObject(out, value.ValueLocalTime());
-      break;
-    case TypedValue::Type::LocalDateTime:
-      PrintObject(out, value.ValueLocalDateTime());
-      break;
-    default:
-      MG_ASSERT(false, "PrintObject(std::ostream *out, const TypedValue &value) should not reach here");
-  }
-}
-
-template <typename T>
-void PrintOperatorArgs(std::ostream *out, const T &arg) {
-  *out << " ";
-  PrintObject(out, arg);
-  *out << ")";
-}
-
-template <typename T, typename... Ts>
-void PrintOperatorArgs(std::ostream *out, const T &arg, const Ts &...args) {
-  *out << " ";
-  PrintObject(out, arg);
-  PrintOperatorArgs(out, args...);
-}
-
-template <typename... Ts>
-void PrintOperator(std::ostream *out, const std::string &name, const Ts &...args) {
-  *out << "(" << name;
-  PrintOperatorArgs(out, args...);
-}
-}  // namespace detail
-
-class ExpressionPrettyPrinter : public ExpressionVisitor<void> {
- public:
-  explicit ExpressionPrettyPrinter(std::ostream *out) : out_(out) {}
-
-  // Unary operators
-  // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define UNARY_OPERATOR_VISIT(OP_NODE, OP_STR)      \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */ \
-  void Visit(OP_NODE &op) override { detail::PrintOperator(out_, OP_STR, op.expression_); }
-
-  UNARY_OPERATOR_VISIT(NotOperator, "Not");
-  UNARY_OPERATOR_VISIT(UnaryPlusOperator, "+");
-  UNARY_OPERATOR_VISIT(UnaryMinusOperator, "-");
-  UNARY_OPERATOR_VISIT(IsNullOperator, "IsNull");
-
-#undef UNARY_OPERATOR_VISIT
-
-  // Binary operators
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define BINARY_OPERATOR_VISIT(OP_NODE, OP_STR)     \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */ \
-  void Visit(OP_NODE &op) override { detail::PrintOperator(out_, OP_STR, op.expression1_, op.expression2_); }
-
-  BINARY_OPERATOR_VISIT(OrOperator, "Or");
-  BINARY_OPERATOR_VISIT(XorOperator, "Xor");
-  BINARY_OPERATOR_VISIT(AndOperator, "And");
-  BINARY_OPERATOR_VISIT(AdditionOperator, "+");
-  BINARY_OPERATOR_VISIT(SubtractionOperator, "-");
-  BINARY_OPERATOR_VISIT(MultiplicationOperator, "*");
-  BINARY_OPERATOR_VISIT(DivisionOperator, "/");
-  BINARY_OPERATOR_VISIT(ModOperator, "%");
-  BINARY_OPERATOR_VISIT(NotEqualOperator, "!=");
-  BINARY_OPERATOR_VISIT(EqualOperator, "==");
-  BINARY_OPERATOR_VISIT(LessOperator, "<");
-  BINARY_OPERATOR_VISIT(GreaterOperator, ">");
-  BINARY_OPERATOR_VISIT(LessEqualOperator, "<=");
-  BINARY_OPERATOR_VISIT(GreaterEqualOperator, ">=");
-  BINARY_OPERATOR_VISIT(InListOperator, "In");
-  BINARY_OPERATOR_VISIT(SubscriptOperator, "Subscript");
-
-#undef BINARY_OPERATOR_VISIT
-
-  // Other
-  void Visit(ListSlicingOperator &op) override {
-    detail::PrintOperator(out_, "ListSlicing", op.list_, op.lower_bound_, op.upper_bound_);
-  }
-
-  void Visit(IfOperator &op) override {
-    detail::PrintOperator(out_, "If", op.condition_, op.then_expression_, op.else_expression_);
-  }
-
-  void Visit(ListLiteral &op) override { detail::PrintOperator(out_, "ListLiteral", op.elements_); }
-
-  void Visit(MapLiteral &op) override {
-    std::map<std::string, Expression *> map;
-    for (const auto &kv : op.elements_) {
-      map[kv.first.name] = kv.second;
-    }
-    detail::PrintObject(out_, map);
-  }
-
-  void Visit(LabelsTest &op) override { detail::PrintOperator(out_, "LabelsTest", op.expression_); }
-
-  void Visit(Aggregation &op) override { detail::PrintOperator(out_, "Aggregation", op.op_); }
-
-  void Visit(Function &op) override { detail::PrintOperator(out_, "Function", op.function_name_, op.arguments_); }
-
-  void Visit(Reduce &op) override {
-    detail::PrintOperator(out_, "Reduce", op.accumulator_, op.initializer_, op.identifier_, op.list_, op.expression_);
-  }
-
-  void Visit(Coalesce &op) override { detail::PrintOperator(out_, "Coalesce", op.expressions_); }
-
-  void Visit(Extract &op) override { detail::PrintOperator(out_, "Extract", op.identifier_, op.list_, op.expression_); }
-
-  void Visit(All &op) override {
-    detail::PrintOperator(out_, "All", op.identifier_, op.list_expression_, op.where_->expression_);
-  }
-
-  void Visit(Single &op) override {
-    detail::PrintOperator(out_, "Single", op.identifier_, op.list_expression_, op.where_->expression_);
-  }
-
-  void Visit(Any &op) override {
-    detail::PrintOperator(out_, "Any", op.identifier_, op.list_expression_, op.where_->expression_);
-  }
-
-  void Visit(None &op) override {
-    detail::PrintOperator(out_, "None", op.identifier_, op.list_expression_, op.where_->expression_);
-  }
-
-  void Visit(Identifier &op) override { detail::PrintOperator(out_, "Identifier", op.name_); }
-
-  void Visit(PrimitiveLiteral &op) override { detail::PrintObject(out_, op.value_); }
-
-  void Visit(PropertyLookup &op) override {
-    detail::PrintOperator(out_, "PropertyLookup", op.expression_, op.property_.name);
-  }
-
-  void Visit(ParameterLookup &op) override { detail::PrintOperator(out_, "ParameterLookup", op.token_position_); }
-
-  void Visit(NamedExpression &op) override { detail::PrintOperator(out_, "NamedExpression", op.name_, op.expression_); }
-
-  void Visit(RegexMatch &op) override { detail::PrintOperator(out_, "=~", op.string_expr_, op.regex_); }
-
- private:
-  std::ostream *out_;
-};
-
-namespace detail {
-inline void PrintObject(std::ostream *out, Expression *expr) {
-  if (expr) {
-    ExpressionPrettyPrinter printer{out};
-    expr->Accept(printer);
-  } else {
-    *out << "<null>";
-  }
-}
-}  // namespace detail
-
-inline void PrintExpression(Expression *expr, std::ostream *out) {
-  ExpressionPrettyPrinter printer{out};
-  expr->Accept(printer);
-}
-
-inline void PrintExpression(NamedExpression *expr, std::ostream *out) {
-  ExpressionPrettyPrinter printer{out};
-  expr->Accept(printer);
-}
-}  // namespace memgraph::expr

src/expr/ast/pretty_print_ast_to_original_expression.hpp

@@ -1,279 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <iostream>
-#include <type_traits>
-
-#include "expr/ast.hpp"
-#include "expr/typed_value.hpp"
-#include "utils/algorithm.hpp"
-#include "utils/logging.hpp"
-#include "utils/string.hpp"
-
-namespace memgraph::expr {
-inline constexpr const char *identifier_node_symbol = "MG_SYMBOL_NODE";
-inline constexpr const char *identifier_edge_symbol = "MG_SYMBOL_EDGE";
-
-namespace detail {
-template <typename T>
-void PrintObject(std::ostream *out, const T &arg) {
-  static_assert(!std::is_convertible<T, Expression *>::value,
-                "This overload shouldn't be called with pointers convertible "
-                "to Expression *. This means your other PrintObject overloads aren't "
-                "being called for certain AST nodes when they should (or perhaps such "
-                "overloads don't exist yet).");
-  *out << arg;
-}
-
-inline void PrintObject(std::ostream *out, const std::string &str) { *out << str; }
-
-inline void PrintObject(std::ostream * /*out*/, Aggregation::Op /*op*/) {
-  throw utils::NotYetImplemented("PrintObject: Aggregation::Op");
-}
-
-inline void PrintObject(std::ostream * /*out*/, Expression * /*expr*/);
-
-inline void PrintObject(std::ostream *out, Identifier *expr) { PrintObject(out, static_cast<Expression *>(expr)); }
-
-template <typename T>
-void PrintObject(std::ostream * /*out*/, const std::vector<T> & /*vec*/) {
-  throw utils::NotYetImplemented("PrintObject: vector<T>");
-}
-
-template <typename T>
-void PrintObject(std::ostream * /*out*/, const std::vector<T, utils::Allocator<T>> & /*vec*/) {
-  throw utils::NotYetImplemented("PrintObject: vector<T, utils::Allocator<T>>");
-}
-
-template <typename K, typename V>
-void PrintObject(std::ostream * /*out*/, const std::map<K, V> & /*map*/) {
-  throw utils::NotYetImplemented("PrintObject: map<K, V>");
-}
-
-template <typename T>
-void PrintObject(std::ostream * /*out*/, const utils::pmr::map<utils::pmr::string, T> & /*map*/) {
-  throw utils::NotYetImplemented("PrintObject: map<utils::pmr::string, V>");
-}
-
-template <typename T1, typename T2, typename T3>
-inline void PrintObject(std::ostream *out, const TypedValueT<T1, T2, T3> &value) {
-  using TypedValue = TypedValueT<T1, T2, T3>;
-  switch (value.type()) {
-    case TypedValue::Type::Null:
-      *out << "null";
-      break;
-    case TypedValue::Type::String:
-      PrintObject(out, value.ValueString());
-      break;
-    case TypedValue::Type::Bool:
-      *out << (value.ValueBool() ? "true" : "false");
-      break;
-    case TypedValue::Type::Int:
-      PrintObject(out, value.ValueInt());
-      break;
-    case TypedValue::Type::Double:
-      PrintObject(out, value.ValueDouble());
-      break;
-    case TypedValue::Type::List:
-      PrintObject(out, value.ValueList());
-      break;
-    case TypedValue::Type::Map:
-      PrintObject(out, value.ValueMap());
-      break;
-    case TypedValue::Type::Date:
-      PrintObject(out, value.ValueDate());
-      break;
-    case TypedValue::Type::Duration:
-      PrintObject(out, value.ValueDuration());
-      break;
-    case TypedValue::Type::LocalTime:
-      PrintObject(out, value.ValueLocalTime());
-      break;
-    case TypedValue::Type::LocalDateTime:
-      PrintObject(out, value.ValueLocalDateTime());
-      break;
-    default:
-      MG_ASSERT(false, "PrintObject(std::ostream *out, const TypedValue &value) should not reach here");
-  }
-}
-
-template <typename T>
-void PrintOperatorArgs(const std::string & /*name*/, std::ostream *out, bool with_parenthesis, const T &arg) {
-  PrintObject(out, arg);
-  if (with_parenthesis) {
-    *out << ")";
-  }
-}
-
-template <typename T, typename... Ts>
-void PrintOperatorArgs(const std::string &name, std::ostream *out, bool with_parenthesis, const T &arg,
-                       const Ts &...args) {
-  PrintObject(out, arg);
-  *out << " " << name << " ";
-  PrintOperatorArgs(name, out, with_parenthesis, args...);
-}
-
-template <typename... Ts>
-void PrintOperator(const std::string &name, std::ostream *out, bool with_parenthesis, const Ts &...args) {
-  if (with_parenthesis) {
-    *out << "(";
-  }
-  PrintOperatorArgs(name, out, with_parenthesis, args...);
-}
-
-// new
-template <typename T>
-void PrintOperatorArgs(std::ostream *out, const T &arg) {
-  PrintObject(out, arg);
-}
-
-template <typename T, typename... Ts>
-void PrintOperatorArgs(std::ostream *out, const T &arg, const Ts &...args) {
-  PrintObject(out, arg);
-  PrintOperatorArgs(out, args...);
-}
-
-template <typename... Ts>
-void PrintOperator(std::ostream *out, const Ts &...args) {
-  PrintOperatorArgs(out, args...);
-}
-}  // namespace detail
-
-class ExpressionPrettyPrinter : public ExpressionVisitor<void> {
- public:
-  explicit ExpressionPrettyPrinter(std::ostream *out) : out_(out) {}
-
-  // Unary operators
-  // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define UNARY_OPERATOR_VISIT(OP_NODE, OP_STR)      \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */ \
-  void Visit(OP_NODE &op) override { detail::PrintOperator(OP_STR, out_, false /*with_parenthesis*/, op.expression_); }
-
-  UNARY_OPERATOR_VISIT(NotOperator, "Not");
-  UNARY_OPERATOR_VISIT(UnaryPlusOperator, "+");
-  UNARY_OPERATOR_VISIT(UnaryMinusOperator, "-");
-  UNARY_OPERATOR_VISIT(IsNullOperator, "IsNull");
-
-#undef UNARY_OPERATOR_VISIT
-
-  // Binary operators
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define BINARY_OPERATOR_VISIT(OP_NODE, OP_STR)                                                        \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */                                                    \
-  void Visit(OP_NODE &op) override {                                                                  \
-    detail::PrintOperator(OP_STR, out_, true /*with_parenthesis*/, op.expression1_, op.expression2_); \
-  }
-// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define BINARY_OPERATOR_VISIT_NOT_IMPL(OP_NODE, OP_STR) \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */      \
-  void Visit(OP_NODE & /*op*/) override { throw utils::NotYetImplemented("OP_NODE"); }
-
-  BINARY_OPERATOR_VISIT(OrOperator, "Or");
-  BINARY_OPERATOR_VISIT(XorOperator, "Xor");
-  BINARY_OPERATOR_VISIT(AndOperator, "And");
-  BINARY_OPERATOR_VISIT(AdditionOperator, "+");
-  BINARY_OPERATOR_VISIT(SubtractionOperator, "-");
-  BINARY_OPERATOR_VISIT(MultiplicationOperator, "*");
-  BINARY_OPERATOR_VISIT(DivisionOperator, "/");
-  BINARY_OPERATOR_VISIT(ModOperator, "%");
-  BINARY_OPERATOR_VISIT(NotEqualOperator, "!=");
-  BINARY_OPERATOR_VISIT(EqualOperator, "=");
-  BINARY_OPERATOR_VISIT(LessOperator, "<");
-  BINARY_OPERATOR_VISIT(GreaterOperator, ">");
-  BINARY_OPERATOR_VISIT(LessEqualOperator, "<=");
-  BINARY_OPERATOR_VISIT(GreaterEqualOperator, ">=");
-  BINARY_OPERATOR_VISIT_NOT_IMPL(InListOperator, "In");
-  BINARY_OPERATOR_VISIT_NOT_IMPL(SubscriptOperator, "Subscript");
-
-#undef BINARY_OPERATOR_VISIT
-#undef BINARY_OPERATOR_VISIT_NOT_IMPL
-
-  // Other
-  void Visit(ListSlicingOperator & /*op*/) override { throw utils::NotYetImplemented("ListSlicingOperator"); }
-
-  void Visit(IfOperator & /*op*/) override { throw utils::NotYetImplemented("IfOperator"); }
-
-  void Visit(ListLiteral & /*op*/) override { throw utils::NotYetImplemented("ListLiteral"); }
-
-  void Visit(MapLiteral & /*op*/) override { throw utils::NotYetImplemented("MapLiteral"); }
-
-  void Visit(LabelsTest & /*op*/) override { throw utils::NotYetImplemented("LabelsTest"); }
-
-  void Visit(Aggregation & /*op*/) override { throw utils::NotYetImplemented("Aggregation"); }
-
-  void Visit(Function & /*op*/) override { throw utils::NotYetImplemented("Function"); }
-
-  void Visit(Reduce & /*op*/) override { throw utils::NotYetImplemented("Reduce"); }
-
-  void Visit(Coalesce & /*op*/) override { throw utils::NotYetImplemented("Coalesce"); }
-
-  void Visit(Extract & /*op*/) override { throw utils::NotYetImplemented("Extract"); }
-
-  void Visit(All & /*op*/) override { throw utils::NotYetImplemented("All"); }
-
-  void Visit(Single & /*op*/) override { throw utils::NotYetImplemented("Single"); }
-
-  void Visit(Any & /*op*/) override { throw utils::NotYetImplemented("Any"); }
-
-  void Visit(None & /*op*/) override { throw utils::NotYetImplemented("None"); }
-
-  void Visit(Identifier &op) override {
-    auto is_node = true;
-    auto is_edge = false;
-    auto is_other = false;
-    if (is_node) {
-      detail::PrintOperator(out_, identifier_node_symbol);
-    } else if (is_edge) {
-      detail::PrintOperator(out_, identifier_edge_symbol);
-    } else {
-      MG_ASSERT(is_other);
-      detail::PrintOperator(out_, op.name_);
-    }
-  }
-
-  void Visit(PrimitiveLiteral &op) override { detail::PrintObject(out_, op.value_); }
-
-  void Visit(PropertyLookup &op) override { detail::PrintOperator(out_, op.expression_, ".", op.property_.name); }
-
-  void Visit(ParameterLookup & /*op*/) override { throw utils::NotYetImplemented("ParameterLookup"); }
-
-  void Visit(NamedExpression & /*op*/) override { throw utils::NotYetImplemented("NamedExpression"); }
-
-  void Visit(RegexMatch & /*op*/) override { throw utils::NotYetImplemented("RegexMatch"); }
-
- private:
-  std::ostream *out_;
-};
-
-namespace detail {
-inline void PrintObject(std::ostream *out, Expression *expr) {
-  if (expr) {
-    ExpressionPrettyPrinter printer{out};
-    expr->Accept(printer);
-  } else {
-    *out << "<null>";
-  }
-}
-}  // namespace detail
-
-inline void PrintExpressionToOriginalAndReplaceNodeAndEdgeSymbols(Expression *expr, std::ostream *out) {
-  ExpressionPrettyPrinter printer{out};
-  expr->Accept(printer);
-}
-
-inline std::string ExpressiontoStringWhileReplacingNodeAndEdgeSymbols(Expression *expr) {
-  std::ostringstream ss;
-  expr::PrintExpressionToOriginalAndReplaceNodeAndEdgeSymbols(expr, &ss);
-  return ss.str();
-}
-}  // namespace memgraph::expr

src/expr/exceptions.hpp

@@ -1,52 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include "utils/exceptions.hpp"
-
-namespace memgraph::expr {
-
-class SyntaxException : public utils::BasicException {
- public:
-  using utils::BasicException::BasicException;
-  SyntaxException() : SyntaxException("") {}
-};
-
-class SemanticException : public utils::BasicException {
- public:
-  using utils::BasicException::BasicException;
-  SemanticException() : BasicException("") {}
-};
-
-class ExpressionRuntimeException : public utils::BasicException {
- public:
-  using utils::BasicException::BasicException;
-};
-
-class RedeclareVariableError : public SemanticException {
- public:
-  explicit RedeclareVariableError(const std::string &name) : SemanticException("Redeclaring variable: " + name + ".") {}
-};
-
-class UnboundVariableError : public SemanticException {
- public:
-  explicit UnboundVariableError(const std::string &name) : SemanticException("Unbound variable: " + name + ".") {}
-};
-
-class TypeMismatchError : public SemanticException {
- public:
-  TypeMismatchError(const std::string &name, const std::string &datum, const std::string &expected)
-      : SemanticException(fmt::format("Type mismatch: {} already defined as {}, expected {}.", name, datum, expected)) {
-  }
-};
-
-}  // namespace memgraph::expr

src/expr/interpret/eval.hpp

@@ -1,821 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-/// @file
-#pragma once
-
-#include <algorithm>
-#include <limits>
-#include <map>
-#include <optional>
-#include <regex>
-#include <type_traits>
-#include <vector>
-
-#include "expr/ast.hpp"
-#include "expr/exceptions.hpp"
-#include "expr/interpret/frame.hpp"
-#include "expr/semantic/symbol_table.hpp"
-#include "functions/awesome_memgraph_functions.hpp"
-#include "utils/exceptions.hpp"
-
-namespace memgraph::expr {
-
-struct StorageTag {};
-struct QueryEngineTag {};
-
-template <typename TypedValue, typename EvaluationContext, typename DbAccessor, typename StorageView, typename LabelId,
-          typename PropertyValue, typename ConvFunctor, typename Error, typename Tag = StorageTag>
-class ExpressionEvaluator : public ExpressionVisitor<TypedValue> {
- public:
-  ExpressionEvaluator(Frame *frame, const SymbolTable &symbol_table, const EvaluationContext &ctx, DbAccessor *dba,
-                      StorageView view)
-      : frame_(frame), symbol_table_(&symbol_table), ctx_(&ctx), dba_(dba), view_(view) {}
-
-  using ExpressionVisitor<TypedValue>::Visit;
-
-  utils::MemoryResource *GetMemoryResource() const { return ctx_->memory; }
-
-  TypedValue Visit(NamedExpression &named_expression) override {
-    const auto &symbol = symbol_table_->at(named_expression);
-    auto value = named_expression.expression_->Accept(*this);
-    frame_->at(symbol) = value;
-    return value;
-  }
-
-  TypedValue Visit(Identifier &ident) override {
-    return TypedValue(frame_->at(symbol_table_->at(ident)), ctx_->memory);
-  }
-
-  // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define BINARY_OPERATOR_VISITOR(OP_NODE, CPP_OP, CYPHER_OP)                                                         \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */                                                                  \
-  TypedValue Visit(OP_NODE &op) override {                                                                          \
-    auto val1 = op.expression1_->Accept(*this);                                                                     \
-    auto val2 = op.expression2_->Accept(*this);                                                                     \
-    try {                                                                                                           \
-      return val1 CPP_OP val2;                                                                                      \
-    } catch (const TypedValueException &) {                                                                         \
-      throw ExpressionRuntimeException("Invalid types: {} and {} for '{}'.", val1.type(), val2.type(), #CYPHER_OP); \
-    }                                                                                                               \
-  }
-
-  // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
-#define UNARY_OPERATOR_VISITOR(OP_NODE, CPP_OP, CYPHER_OP)                                   \
-  /* NOLINTNEXTLINE(bugprone-macro-parentheses) */                                           \
-  TypedValue Visit(OP_NODE &op) override {                                                   \
-    auto val = op.expression_->Accept(*this);                                                \
-    try {                                                                                    \
-      return CPP_OP val;                                                                     \
-    } catch (const TypedValueException &) {                                                  \
-      throw ExpressionRuntimeException("Invalid type {} for '{}'.", val.type(), #CYPHER_OP); \
-    }                                                                                        \
-  }
-
-  BINARY_OPERATOR_VISITOR(OrOperator, ||, OR);
-  BINARY_OPERATOR_VISITOR(XorOperator, ^, XOR);
-  BINARY_OPERATOR_VISITOR(AdditionOperator, +, +);
-  BINARY_OPERATOR_VISITOR(SubtractionOperator, -, -);
-  BINARY_OPERATOR_VISITOR(MultiplicationOperator, *, *);
-  BINARY_OPERATOR_VISITOR(DivisionOperator, /, /);
-  BINARY_OPERATOR_VISITOR(ModOperator, %, %);
-  BINARY_OPERATOR_VISITOR(NotEqualOperator, !=, <>);
-  BINARY_OPERATOR_VISITOR(EqualOperator, ==, =);
-  BINARY_OPERATOR_VISITOR(LessOperator, <, <);
-  BINARY_OPERATOR_VISITOR(GreaterOperator, >, >);
-  BINARY_OPERATOR_VISITOR(LessEqualOperator, <=, <=);
-  BINARY_OPERATOR_VISITOR(GreaterEqualOperator, >=, >=);
-
-  UNARY_OPERATOR_VISITOR(NotOperator, !, NOT);
-  UNARY_OPERATOR_VISITOR(UnaryPlusOperator, +, +);
-  UNARY_OPERATOR_VISITOR(UnaryMinusOperator, -, -);
-
-#undef BINARY_OPERATOR_VISITOR
-#undef UNARY_OPERATOR_VISITOR
-
-  void HandleObjectAccessError(Error &shard_error, const std::string_view accessed_object) {
-    switch (shard_error) {
-      case Error::DELETED_OBJECT:
-        throw ExpressionRuntimeException("Trying to access {} on a deleted object.", accessed_object);
-      case Error::NONEXISTENT_OBJECT:
-        throw ExpressionRuntimeException("Trying to access {} from a node object doesn't exist.", accessed_object);
-      case Error::SERIALIZATION_ERROR:
-      case Error::VERTEX_HAS_EDGES:
-      case Error::PROPERTIES_DISABLED:
-      case Error::VERTEX_ALREADY_INSERTED:
-      case Error::OBJECT_NOT_FOUND:
-        throw ExpressionRuntimeException("Unexpected error when accessing {}.", accessed_object);
-      case Error::SCHEMA_NO_SCHEMA_DEFINED_FOR_LABEL:
-      case Error::SCHEMA_VERTEX_PROPERTY_WRONG_TYPE:
-      case Error::SCHEMA_VERTEX_UPDATE_PRIMARY_KEY:
-      case Error::SCHEMA_VERTEX_UPDATE_PRIMARY_LABEL:
-      case Error::SCHEMA_VERTEX_SECONDARY_LABEL_IS_PRIMARY:
-      case Error::SCHEMA_VERTEX_PRIMARY_PROPERTIES_UNDEFINED:
-        throw ExpressionRuntimeException("Unexpected schema violation when accessing {}.", accessed_object);
-    }
-  }
-
-  TypedValue Visit(AndOperator &op) override {
-    auto value1 = op.expression1_->Accept(*this);
-    if (value1.IsBool() && !value1.ValueBool()) {
-      // If first expression is false, don't evaluate the second one.
-      return value1;
-    }
-    auto value2 = op.expression2_->Accept(*this);
-    try {
-      return value1 && value2;
-    } catch (const TypedValueException &) {
-      throw ExpressionRuntimeException("Invalid types: {} and {} for AND.", value1.type(), value2.type());
-    }
-  }
-
-  TypedValue Visit(IfOperator &if_operator) override {
-    auto condition = if_operator.condition_->Accept(*this);
-    if (condition.IsNull()) {
-      return if_operator.else_expression_->Accept(*this);
-    }
-    if (condition.type() != TypedValue::Type::Bool) {
-      // At the moment IfOperator is used only in CASE construct.
-      throw ExpressionRuntimeException("CASE expected boolean expression, got {}.", condition.type());
-    }
-    if (condition.ValueBool()) {
-      return if_operator.then_expression_->Accept(*this);
-    }
-    return if_operator.else_expression_->Accept(*this);
-  }
-
-  TypedValue Visit(InListOperator &in_list) override {
-    auto literal = in_list.expression1_->Accept(*this);
-    auto _list = in_list.expression2_->Accept(*this);
-    if (_list.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    // Exceptions have higher priority than returning nulls when list expression
-    // is not null.
-    if (_list.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("IN expected a list, got {}.", _list.type());
-    }
-    const auto &list = _list.ValueList();
-
-    // If literal is NULL there is no need to try to compare it with every
-    // element in the list since result of every comparison will be NULL. There
-    // is one special case that we must test explicitly: if list is empty then
-    // result is false since no comparison will be performed.
-    if (list.empty()) return TypedValue(false, ctx_->memory);
-    if (literal.IsNull()) return TypedValue(ctx_->memory);
-
-    auto has_null = false;
-    for (const auto &element : list) {
-      auto result = literal == element;
-      if (result.IsNull()) {
-        has_null = true;
-      } else if (result.ValueBool()) {
-        return TypedValue(true, ctx_->memory);
-      }
-    }
-    if (has_null) {
-      return TypedValue(ctx_->memory);
-    }
-    return TypedValue(false, ctx_->memory);
-  }
-
-  TypedValue Visit(SubscriptOperator &list_indexing) override {
-    auto lhs = list_indexing.expression1_->Accept(*this);
-    auto index = list_indexing.expression2_->Accept(*this);
-    if (!lhs.IsList() && !lhs.IsMap() && !lhs.IsVertex() && !lhs.IsEdge() && !lhs.IsNull())
-      throw ExpressionRuntimeException(
-          "Expected a list, a map, a node or an edge to index with '[]', got "
-          "{}.",
-          lhs.type());
-    if (lhs.IsNull() || index.IsNull()) return TypedValue(ctx_->memory);
-    if (lhs.IsList()) {
-      if (!index.IsInt())
-        throw ExpressionRuntimeException("Expected an integer as a list index, got {}.", index.type());
-      auto index_int = index.ValueInt();
-      // NOTE: Take non-const reference to list, so that we can move out the
-      // indexed element as the result.
-      auto &list = lhs.ValueList();
-      if (index_int < 0) {
-        index_int += static_cast<int64_t>(list.size());
-      }
-      if (index_int >= static_cast<int64_t>(list.size()) || index_int < 0) return TypedValue(ctx_->memory);
-      // NOTE: Explicit move is needed, so that we return the move constructed
-      // value and preserve the correct MemoryResource.
-      return std::move(list[index_int]);
-    }
-
-    if (lhs.IsMap()) {
-      if (!index.IsString())
-        throw ExpressionRuntimeException("Expected a string as a map index, got {}.", index.type());
-      // NOTE: Take non-const reference to map, so that we can move out the
-      // looked-up element as the result.
-      auto &map = lhs.ValueMap();
-      auto found = map.find(index.ValueString());
-      if (found == map.end()) return TypedValue(ctx_->memory);
-      // NOTE: Explicit move is needed, so that we return the move constructed
-      // value and preserve the correct MemoryResource.
-      return std::move(found->second);
-    }
-
-    if (lhs.IsVertex()) {
-      if (!index.IsString())
-        throw ExpressionRuntimeException("Expected a string as a property name, got {}.", index.type());
-      return TypedValue(GetProperty(lhs.ValueVertex(), index.ValueString()), ctx_->memory);
-    }
-
-    if (lhs.IsEdge()) {
-      if (!index.IsString())
-        throw ExpressionRuntimeException("Expected a string as a property name, got {}.", index.type());
-      return TypedValue(GetProperty(lhs.ValueEdge(), index.ValueString()), ctx_->memory);
-    }
-
-    // lhs is Null
-    return TypedValue(ctx_->memory);
-  }
-
-  TypedValue Visit(ListSlicingOperator &op) override {
-    // If some type is null we can't return null, because throwing exception
-    // on illegal type has higher priority.
-    auto is_null = false;
-    auto get_bound = [&](Expression *bound_expr, int64_t default_value) {
-      if (bound_expr) {
-        auto bound = bound_expr->Accept(*this);
-        if (bound.type() == TypedValue::Type::Null) {
-          is_null = true;
-        } else if (bound.type() != TypedValue::Type::Int) {
-          throw ExpressionRuntimeException("Expected an integer for a bound in list slicing, got {}.", bound.type());
-        }
-        return bound;
-      }
-      return TypedValue(default_value, ctx_->memory);
-    };
-    auto _upper_bound = get_bound(op.upper_bound_, std::numeric_limits<int64_t>::max());
-    auto _lower_bound = get_bound(op.lower_bound_, 0);
-
-    auto _list = op.list_->Accept(*this);
-    if (_list.type() == TypedValue::Type::Null) {
-      is_null = true;
-    } else if (_list.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("Expected a list to slice, got {}.", _list.type());
-    }
-
-    if (is_null) {
-      return TypedValue(ctx_->memory);
-    }
-    const auto &list = _list.ValueList();
-    auto normalise_bound = [&](int64_t bound) {
-      if (bound < 0) {
-        bound = static_cast<int64_t>(list.size()) + bound;
-      }
-      return std::max(static_cast<int64_t>(0), std::min(bound, static_cast<int64_t>(list.size())));
-    };
-    auto lower_bound = normalise_bound(_lower_bound.ValueInt());
-    auto upper_bound = normalise_bound(_upper_bound.ValueInt());
-    if (upper_bound <= lower_bound) {
-      return TypedValue(typename TypedValue::TVector(ctx_->memory), ctx_->memory);
-    }
-    return TypedValue(
-        typename TypedValue::TVector(list.begin() + lower_bound, list.begin() + upper_bound, ctx_->memory));
-  }
-
-  TypedValue Visit(IsNullOperator &is_null) override {
-    auto value = is_null.expression_->Accept(*this);
-    return TypedValue(value.IsNull(), ctx_->memory);
-  }
-
-  TypedValue Visit(PropertyLookup &property_lookup) override {
-    auto expression_result = property_lookup.expression_->Accept(*this);
-    auto maybe_date = [this](const auto &date, const auto &prop_name) -> std::optional<TypedValue> {
-      if (prop_name == "year") {
-        return TypedValue(date.year, ctx_->memory);
-      }
-      if (prop_name == "month") {
-        return TypedValue(date.month, ctx_->memory);
-      }
-      if (prop_name == "day") {
-        return TypedValue(date.day, ctx_->memory);
-      }
-      return std::nullopt;
-    };
-    auto maybe_local_time = [this](const auto &lt, const auto &prop_name) -> std::optional<TypedValue> {
-      if (prop_name == "hour") {
-        return TypedValue(lt.hour, ctx_->memory);
-      }
-      if (prop_name == "minute") {
-        return TypedValue(lt.minute, ctx_->memory);
-      }
-      if (prop_name == "second") {
-        return TypedValue(lt.second, ctx_->memory);
-      }
-      if (prop_name == "millisecond") {
-        return TypedValue(lt.millisecond, ctx_->memory);
-      }
-      if (prop_name == "microsecond") {
-        return TypedValue(lt.microsecond, ctx_->memory);
-      }
-      return std::nullopt;
-    };
-    auto maybe_duration = [this](const auto &dur, const auto &prop_name) -> std::optional<TypedValue> {
-      if (prop_name == "day") {
-        return TypedValue(dur.Days(), ctx_->memory);
-      }
-      if (prop_name == "hour") {
-        return TypedValue(dur.SubDaysAsHours(), ctx_->memory);
-      }
-      if (prop_name == "minute") {
-        return TypedValue(dur.SubDaysAsMinutes(), ctx_->memory);
-      }
-      if (prop_name == "second") {
-        return TypedValue(dur.SubDaysAsSeconds(), ctx_->memory);
-      }
-      if (prop_name == "millisecond") {
-        return TypedValue(dur.SubDaysAsMilliseconds(), ctx_->memory);
-      }
-      if (prop_name == "microsecond") {
-        return TypedValue(dur.SubDaysAsMicroseconds(), ctx_->memory);
-      }
-      if (prop_name == "nanosecond") {
-        return TypedValue(dur.SubDaysAsNanoseconds(), ctx_->memory);
-      }
-      return std::nullopt;
-    };
-    switch (expression_result.type()) {
-      case TypedValue::Type::Null:
-        return TypedValue(ctx_->memory);
-      case TypedValue::Type::Vertex:
-        return GetProperty(expression_result.ValueVertex(), property_lookup.property_);
-      case TypedValue::Type::Edge:
-        return GetProperty(expression_result.ValueEdge(), property_lookup.property_);
-      case TypedValue::Type::Map: {
-        // NOTE: Take non-const reference to map, so that we can move out the
-        // looked-up element as the result.
-        auto &map = expression_result.ValueMap();
-        auto found = map.find(property_lookup.property_.name.c_str());
-        if (found == map.end()) return TypedValue(ctx_->memory);
-        // NOTE: Explicit move is needed, so that we return the move constructed
-        // value and preserve the correct MemoryResource.
-        return std::move(found->second);
-      }
-      case TypedValue::Type::Duration: {
-        const auto &prop_name = property_lookup.property_.name;
-        const auto &dur = expression_result.ValueDuration();
-        if (auto dur_field = maybe_duration(dur, prop_name); dur_field) {
-          return std::move(*dur_field);
-        }
-        throw ExpressionRuntimeException("Invalid property name {} for Duration", prop_name);
-      }
-      case TypedValue::Type::Date: {
-        const auto &prop_name = property_lookup.property_.name;
-        const auto &date = expression_result.ValueDate();
-        if (auto date_field = maybe_date(date, prop_name); date_field) {
-          return std::move(*date_field);
-        }
-        throw ExpressionRuntimeException("Invalid property name {} for Date", prop_name);
-      }
-      case TypedValue::Type::LocalTime: {
-        const auto &prop_name = property_lookup.property_.name;
-        const auto &lt = expression_result.ValueLocalTime();
-        if (auto lt_field = maybe_local_time(lt, prop_name); lt_field) {
-          return std::move(*lt_field);
-        }
-        throw ExpressionRuntimeException("Invalid property name {} for LocalTime", prop_name);
-      }
-      case TypedValue::Type::LocalDateTime: {
-        const auto &prop_name = property_lookup.property_.name;
-        const auto &ldt = expression_result.ValueLocalDateTime();
-        if (auto date_field = maybe_date(ldt.date, prop_name); date_field) {
-          return std::move(*date_field);
-        }
-        if (auto lt_field = maybe_local_time(ldt.local_time, prop_name); lt_field) {
-          return std::move(*lt_field);
-        }
-        throw ExpressionRuntimeException("Invalid property name {} for LocalDateTime", prop_name);
-      }
-      default:
-        throw ExpressionRuntimeException("Only nodes, edges, maps and temporal types have properties to be looked-up.");
-    }
-  }
-
-  template <typename VertexAccessor, typename TTag = Tag,
-            typename TReturnType = std::enable_if_t<std::is_same_v<TTag, StorageTag>, bool>>
-  TReturnType HasLabelImpl(const VertexAccessor &vertex, const LabelIx &label, StorageTag /*tag*/) {
-    auto has_label = vertex.HasLabel(view_, GetLabel(label));
-    if (has_label.HasError() && has_label.GetError() == Error::NONEXISTENT_OBJECT) {
-      // This is a very nasty and temporary hack in order to make MERGE
-      // work. The old storage had the following logic when returning an
-      // `OLD` view: `return old ? old : new`. That means that if the
-      // `OLD` view didn't exist, it returned the NEW view. With this hack
-      // we simulate that behavior.
-      // TODO (mferencevic, teon.banek): Remove once MERGE is
-      // reimplemented.
-      has_label = vertex.HasLabel(StorageView::NEW, GetLabel(label));
-    }
-    if (has_label.HasError()) {
-      HandleObjectAccessError(has_label.GetError().code, "labels");
-    }
-    return *has_label;
-  }
-
-  template <typename VertexAccessor, typename TTag = Tag,
-            typename TReturnType = std::enable_if_t<std::is_same_v<TTag, QueryEngineTag>, bool>>
-  TReturnType HasLabelImpl(const VertexAccessor &vertex, const LabelIx &label_ix, QueryEngineTag /*tag*/) {
-    auto label = typename VertexAccessor::Label{LabelId::FromUint(label_ix.ix)};
-    return vertex.HasLabel(label);
-  }
-
-  TypedValue Visit(LabelsTest &labels_test) override {
-    auto expression_result = labels_test.expression_->Accept(*this);
-    switch (expression_result.type()) {
-      case TypedValue::Type::Null:
-        return TypedValue(ctx_->memory);
-      case TypedValue::Type::Vertex: {
-        const auto &vertex = expression_result.ValueVertex();
-        if (std::ranges::all_of(labels_test.labels_, [&vertex, this](const auto label_test) {
-              return this->HasLabelImpl(vertex, label_test, Tag{});
-            })) {
-          return TypedValue(true, ctx_->memory);
-        }
-        return TypedValue(false, ctx_->memory);
-      }
-      default:
-        throw ExpressionRuntimeException("Only nodes have labels.");
-    }
-  }
-
-  TypedValue Visit(PrimitiveLiteral &literal) override {
-    // TODO: no need to evaluate constants, we can write it to frame in one
-    // of the previous phases.
-    return TypedValue(literal.value_, ctx_->memory);
-  }
-
-  TypedValue Visit(ListLiteral &literal) override {
-    typename TypedValue::TVector result(ctx_->memory);
-    result.reserve(literal.elements_.size());
-    for (const auto &expression : literal.elements_) result.emplace_back(expression->Accept(*this));
-    return TypedValue(result, ctx_->memory);
-  }
-
-  TypedValue Visit(MapLiteral &literal) override {
-    typename TypedValue::TMap result(ctx_->memory);
-    for (const auto &pair : literal.elements_) result.emplace(pair.first.name, pair.second->Accept(*this));
-    return TypedValue(result, ctx_->memory);
-  }
-
-  TypedValue Visit(Aggregation &aggregation) override {
-    return TypedValue(frame_->at(symbol_table_->at(aggregation)), ctx_->memory);
-  }
-
-  TypedValue Visit(Coalesce &coalesce) override {
-    auto &exprs = coalesce.expressions_;
-
-    if (exprs.size() == 0) {
-      throw ExpressionRuntimeException("'coalesce' requires at least one argument.");
-    }
-
-    for (int64_t i = 0; i < exprs.size(); ++i) {
-      TypedValue val(exprs[i]->Accept(*this), ctx_->memory);
-      if (!val.IsNull()) {
-        return val;
-      }
-    }
-
-    return TypedValue(ctx_->memory);
-  }
-
-  TypedValue Visit(Function &function) override {
-    functions::FunctionContext<DbAccessor> function_ctx{dba_, ctx_->memory, ctx_->timestamp, &ctx_->counters, view_};
-    // Stack allocate evaluated arguments when there's a small number of them.
-    if (function.arguments_.size() <= 8) {
-      TypedValue arguments[8] = {TypedValue(ctx_->memory), TypedValue(ctx_->memory), TypedValue(ctx_->memory),
-                                 TypedValue(ctx_->memory), TypedValue(ctx_->memory), TypedValue(ctx_->memory),
-                                 TypedValue(ctx_->memory), TypedValue(ctx_->memory)};
-      for (size_t i = 0; i < function.arguments_.size(); ++i) {
-        arguments[i] = function.arguments_[i]->Accept(*this);
-      }
-      auto res = function.function_(arguments, function.arguments_.size(), function_ctx);
-      MG_ASSERT(res.GetMemoryResource() == ctx_->memory);
-      return res;
-    } else {
-      typename TypedValue::TVector arguments(ctx_->memory);
-      arguments.reserve(function.arguments_.size());
-      for (const auto &argument : function.arguments_) {
-        arguments.emplace_back(argument->Accept(*this));
-      }
-      auto res = function.function_(arguments.data(), arguments.size(), function_ctx);
-      MG_ASSERT(res.GetMemoryResource() == ctx_->memory);
-      return res;
-    }
-  }
-
-  TypedValue Visit(Reduce &reduce) override {
-    auto list_value = reduce.list_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("REDUCE expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &element_symbol = symbol_table_->at(*reduce.identifier_);
-    const auto &accumulator_symbol = symbol_table_->at(*reduce.accumulator_);
-    auto accumulator = reduce.initializer_->Accept(*this);
-    for (const auto &element : list) {
-      frame_->at(accumulator_symbol) = accumulator;
-      frame_->at(element_symbol) = element;
-      accumulator = reduce.expression_->Accept(*this);
-    }
-    return accumulator;
-  }
-
-  TypedValue Visit(Extract &extract) override {
-    auto list_value = extract.list_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("EXTRACT expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &element_symbol = symbol_table_->at(*extract.identifier_);
-    typename TypedValue::TVector result(ctx_->memory);
-    result.reserve(list.size());
-    for (const auto &element : list) {
-      if (element.IsNull()) {
-        result.emplace_back();
-      } else {
-        frame_->at(element_symbol) = element;
-        result.emplace_back(extract.expression_->Accept(*this));
-      }
-    }
-    return TypedValue(result, ctx_->memory);
-  }
-
-  TypedValue Visit(All &all) override {
-    auto list_value = all.list_expression_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("ALL expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &symbol = symbol_table_->at(*all.identifier_);
-    bool has_null_elements = false;
-    bool has_value = false;
-    for (const auto &element : list) {
-      frame_->at(symbol) = element;
-      auto result = all.where_->expression_->Accept(*this);
-      if (!result.IsNull() && result.type() != TypedValue::Type::Bool) {
-        throw ExpressionRuntimeException("Predicate of ALL must evaluate to boolean, got {}.", result.type());
-      }
-      if (!result.IsNull()) {
-        has_value = true;
-        if (!result.ValueBool()) {
-          return TypedValue(false, ctx_->memory);
-        }
-      } else {
-        has_null_elements = true;
-      }
-    }
-    if (!has_value) {
-      return TypedValue(ctx_->memory);
-    }
-    if (has_null_elements) {
-      return TypedValue(false, ctx_->memory);
-    } else {
-      return TypedValue(true, ctx_->memory);
-    }
-  }
-
-  TypedValue Visit(Single &single) override {
-    auto list_value = single.list_expression_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("SINGLE expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &symbol = symbol_table_->at(*single.identifier_);
-    bool has_value = false;
-    bool predicate_satisfied = false;
-    for (const auto &element : list) {
-      frame_->at(symbol) = element;
-      auto result = single.where_->expression_->Accept(*this);
-      if (!result.IsNull() && result.type() != TypedValue::Type::Bool) {
-        throw ExpressionRuntimeException("Predicate of SINGLE must evaluate to boolean, got {}.", result.type());
-      }
-      if (result.type() == TypedValue::Type::Bool) {
-        has_value = true;
-      }
-      if (result.IsNull() || !result.ValueBool()) {
-        continue;
-      }
-      // Return false if more than one element satisfies the predicate.
-      if (predicate_satisfied) {
-        return TypedValue(false, ctx_->memory);
-      } else {
-        predicate_satisfied = true;
-      }
-    }
-    if (!has_value) {
-      return TypedValue(ctx_->memory);
-    } else {
-      return TypedValue(predicate_satisfied, ctx_->memory);
-    }
-  }
-
-  TypedValue Visit(Any &any) override {
-    auto list_value = any.list_expression_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("ANY expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &symbol = symbol_table_->at(*any.identifier_);
-    bool has_value = false;
-    for (const auto &element : list) {
-      frame_->at(symbol) = element;
-      auto result = any.where_->expression_->Accept(*this);
-      if (!result.IsNull() && result.type() != TypedValue::Type::Bool) {
-        throw ExpressionRuntimeException("Predicate of ANY must evaluate to boolean, got {}.", result.type());
-      }
-      if (!result.IsNull()) {
-        has_value = true;
-        if (result.ValueBool()) {
-          return TypedValue(true, ctx_->memory);
-        }
-      }
-    }
-    // Return Null if all elements are Null
-    if (!has_value) {
-      return TypedValue(ctx_->memory);
-    } else {
-      return TypedValue(false, ctx_->memory);
-    }
-  }
-
-  TypedValue Visit(None &none) override {
-    auto list_value = none.list_expression_->Accept(*this);
-    if (list_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (list_value.type() != TypedValue::Type::List) {
-      throw ExpressionRuntimeException("NONE expected a list, got {}.", list_value.type());
-    }
-    const auto &list = list_value.ValueList();
-    const auto &symbol = symbol_table_->at(*none.identifier_);
-    bool has_value = false;
-    for (const auto &element : list) {
-      frame_->at(symbol) = element;
-      auto result = none.where_->expression_->Accept(*this);
-      if (!result.IsNull() && result.type() != TypedValue::Type::Bool) {
-        throw ExpressionRuntimeException("Predicate of NONE must evaluate to boolean, got {}.", result.type());
-      }
-      if (!result.IsNull()) {
-        has_value = true;
-        if (result.ValueBool()) {
-          return TypedValue(false, ctx_->memory);
-        }
-      }
-    }
-    // Return Null if all elements are Null
-    if (!has_value) {
-      return TypedValue(ctx_->memory);
-    } else {
-      return TypedValue(true, ctx_->memory);
-    }
-  }
-
-  TypedValue Visit(ParameterLookup &param_lookup) override {
-    return TypedValue(conv_(ctx_->parameters.AtTokenPosition(param_lookup.token_position_)), ctx_->memory);
-  }
-
-  TypedValue Visit(RegexMatch &regex_match) override {
-    auto target_string_value = regex_match.string_expr_->Accept(*this);
-    auto regex_value = regex_match.regex_->Accept(*this);
-    if (target_string_value.IsNull() || regex_value.IsNull()) {
-      return TypedValue(ctx_->memory);
-    }
-    if (regex_value.type() != TypedValue::Type::String) {
-      throw ExpressionRuntimeException("Regular expression must evaluate to a string, got {}.", regex_value.type());
-    }
-    if (target_string_value.type() != TypedValue::Type::String) {
-      // Instead of error, we return Null which makes it compatible in case we
-      // use indexed lookup which filters out any non-string properties.
-      // Assuming a property lookup is the target_string_value.
-      return TypedValue(ctx_->memory);
-    }
-    const auto &target_string = target_string_value.ValueString();
-    try {
-      std::regex regex(regex_value.ValueString());
-      return TypedValue(std::regex_match(target_string, regex), ctx_->memory);
-    } catch (const std::regex_error &e) {
-      throw ExpressionRuntimeException("Regex error in '{}': {}", regex_value.ValueString(), e.what());
-    }
-  }
-
- private:
-  template <class TRecordAccessor, class TTag = Tag,
-            class TReturnType = std::enable_if_t<std::is_same_v<TTag, QueryEngineTag>, TypedValue>>
-  TReturnType GetProperty(const TRecordAccessor &record_accessor, PropertyIx prop) {
-    auto maybe_prop = record_accessor.GetProperty(prop.name);
-    // Handler non existent property
-    return conv_(maybe_prop, dba_);
-  }
-
-  template <class TRecordAccessor, class TTag = Tag,
-            class TReturnType = std::enable_if_t<std::is_same_v<TTag, QueryEngineTag>, TypedValue>>
-  TReturnType GetProperty(const TRecordAccessor &record_accessor, const std::string_view name) {
-    auto maybe_prop = record_accessor.GetProperty(std::string(name));
-    // Handler non existent property
-    return conv_(maybe_prop, dba_);
-  }
-
-  template <class TRecordAccessor, class TTag = Tag,
-            class TReturnType = std::enable_if_t<std::is_same_v<TTag, StorageTag>, TypedValue>>
-  TypedValue GetProperty(const TRecordAccessor &record_accessor, PropertyIx prop) {
-    auto maybe_prop = record_accessor.GetProperty(view_, ctx_->properties[prop.ix]);
-    if (maybe_prop.HasError() && maybe_prop.GetError() == Error::NONEXISTENT_OBJECT) {
-      // This is a very nasty and temporary hack in order to make MERGE work.
-      // The old storage had the following logic when returning an `OLD` view:
-      // `return old ? old : new`. That means that if the `OLD` view didn't
-      // exist, it returned the NEW view. With this hack we simulate that
-      // behavior.
-      // TODO (mferencevic, teon.banek): Remove once MERGE is reimplemented.
-      maybe_prop = record_accessor.GetProperty(StorageView::NEW, ctx_->properties[prop.ix]);
-    }
-    if (maybe_prop.HasError()) {
-      HandleObjectAccessError(maybe_prop.GetError().code, "property");
-    }
-    return conv_(*maybe_prop, ctx_->memory);
-  }
-
-  template <class TRecordAccessor, class TTag = Tag,
-            class TReturnType = std::enable_if_t<std::is_same_v<TTag, StorageTag>, TypedValue>>
-  TypedValue GetProperty(const TRecordAccessor &record_accessor, const std::string_view name) {
-    auto maybe_prop = record_accessor.GetProperty(view_, dba_->NameToProperty(name));
-    if (maybe_prop.HasError() && maybe_prop.GetError() == Error::NONEXISTENT_OBJECT) {
-      // This is a very nasty and temporary hack in order to make MERGE work.
-      // The old storage had the following logic when returning an `OLD` view:
-      // `return old ? old : new`. That means that if the `OLD` view didn't
-      // exist, it returned the NEW view. With this hack we simulate that
-      // behavior.
-      // TODO (mferencevic, teon.banek): Remove once MERGE is reimplemented.
-      maybe_prop = record_accessor.GetProperty(view_, dba_->NameToProperty(name));
-    }
-    if (maybe_prop.HasError()) {
-      HandleObjectAccessError(maybe_prop.GetError().code, "property");
-    }
-    return conv_(*maybe_prop, ctx_->memory);
-  }
-
-  LabelId GetLabel(LabelIx label) { return ctx_->labels[label.ix]; }
-
-  Frame *frame_;
-  const SymbolTable *symbol_table_;
-  const EvaluationContext *ctx_;
-  DbAccessor *dba_;
-  // which switching approach should be used when evaluating
-  StorageView view_;
-  ConvFunctor conv_;
-};
-
-/// A helper function for evaluating an expression that's an int.
-///
-/// @param what - Name of what's getting evaluated. Used for user feedback (via
-///               exception) when the evaluated value is not an int.
-/// @throw ExpressionRuntimeException if expression doesn't evaluate to an int.
-template <typename ExpressionEvaluator>
-int64_t EvaluateInt(ExpressionEvaluator *evaluator, Expression *expr, const std::string &what) {
-  TypedValue value = expr->Accept(*evaluator);
-  try {
-    return value.ValueInt();
-  } catch (TypedValueException &e) {
-    throw ExpressionRuntimeException(what + " must be an int");
-  }
-}
-
-template <typename ExpressionEvaluator>
-std::optional<size_t> EvaluateMemoryLimit(ExpressionEvaluator *eval, Expression *memory_limit, size_t memory_scale) {
-  if (!memory_limit) return std::nullopt;
-  auto limit_value = memory_limit->Accept(*eval);
-  if (!limit_value.IsInt() || limit_value.ValueInt() <= 0)
-    throw ExpressionRuntimeException("Memory limit must be a non-negative integer.");
-  size_t limit = limit_value.ValueInt();
-  if (std::numeric_limits<size_t>::max() / memory_scale < limit)
-    throw ExpressionRuntimeException("Memory limit overflow.");
-  return limit * memory_scale;
-}
-
-}  // namespace memgraph::expr

src/expr/interpret/frame.hpp

@@ -1,59 +0,0 @@
-// Copyright 2023 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#pragma once
-
-#include <vector>
-
-#include "expr/semantic/symbol_table.hpp"
-#include "utils/logging.hpp"
-#include "utils/memory.hpp"
-#include "utils/pmr/vector.hpp"
-
-namespace memgraph::expr {
-
-class Frame {
- public:
-  /// Create a Frame of given size backed by a utils::NewDeleteResource()
-  explicit Frame(size_t size) : elems_(size, utils::NewDeleteResource()) { MG_ASSERT(size >= 0); }
-
-  Frame(size_t size, utils::MemoryResource *memory) : elems_(size, memory) { MG_ASSERT(size >= 0); }
-
-  TypedValue &operator[](const Symbol &symbol) { return elems_[symbol.position()]; }
-  const TypedValue &operator[](const Symbol &symbol) const { return elems_[symbol.position()]; }
-
-  TypedValue &at(const Symbol &symbol) { return elems_.at(symbol.position()); }
-  const TypedValue &at(const Symbol &symbol) const { return elems_.at(symbol.position()); }
-
-  auto &elems() { return elems_; }
-  const auto &elems() const { return elems_; }
-
-  utils::MemoryResource *GetMemoryResource() const { return elems_.get_allocator().GetMemoryResource(); }
-
- private:
-  utils::pmr::vector<TypedValue> elems_;
-};
-
-class FrameWithValidity final : public Frame {
- public:
-  explicit FrameWithValidity(size_t size) : Frame(size), is_valid_(false) {}
-
-  FrameWithValidity(size_t size, utils::MemoryResource *memory) : Frame(size, memory), is_valid_(false) {}
-
-  bool IsValid() const noexcept { return is_valid_; }
-  void MakeValid() noexcept { is_valid_ = true; }
-  void MakeInvalid() noexcept { is_valid_ = false; }
-
- private:
-  bool is_valid_;
-};
-
-}  // namespace memgraph::expr

src/expr/parsing.cpp

@@ -1,184 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-#include "expr/parsing.hpp"
-
-#include <cctype>
-#include <codecvt>
-#include <locale>
-#include <stdexcept>
-
-#include "expr/exceptions.hpp"
-#include "utils/logging.hpp"
-#include "utils/string.hpp"
-
-namespace memgraph::expr {
-
-int64_t ParseIntegerLiteral(const std::string &s) {
-  try {
-    // Not really correct since long long can have a bigger range than int64_t.
-    return static_cast<int64_t>(std::stoll(s, 0, 0));
-  } catch (const std::out_of_range &) {
-    throw SemanticException("Integer literal exceeds 64 bits.");
-  }
-}
-
-std::string ParseStringLiteral(const std::string &s) {
-  // These functions is declared as lambda since its semantics is highly
-  // specific for this conxtext and shouldn't be used elsewhere.
-  auto EncodeEscapedUnicodeCodepointUtf32 = [](const std::string &s, int &i) {
-    const int kLongUnicodeLength = 8;
-    int j = i + 1;
-    while (j < static_cast<int>(s.size()) - 1 && j < i + kLongUnicodeLength + 1 && isxdigit(s[j])) {
-      ++j;
-    }
-    if (j - i == kLongUnicodeLength + 1) {
-      char32_t t = stoi(s.substr(i + 1, kLongUnicodeLength), 0, 16);
-      i += kLongUnicodeLength;
-      std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> converter;
-      return converter.to_bytes(t);
-    }
-    throw SyntaxException(
-        "Expected 8 hex digits as unicode codepoint started with \\U. "
-        "Use \\u for 4 hex digits format.");
-  };
-  auto EncodeEscapedUnicodeCodepointUtf16 = [](const std::string &s, int &i) {
-    const int kShortUnicodeLength = 4;
-    int j = i + 1;
-    while (j < static_cast<int>(s.size()) - 1 && j < i + kShortUnicodeLength + 1 && isxdigit(s[j])) {
-      ++j;
-    }
-    if (j - i >= kShortUnicodeLength + 1) {
-      char16_t t = stoi(s.substr(i + 1, kShortUnicodeLength), 0, 16);
-      if (t >= 0xD800 && t <= 0xDBFF) {
-        // t is high surrogate pair. Expect one more utf16 codepoint.
-        j = i + kShortUnicodeLength + 1;
-        if (j >= static_cast<int>(s.size()) - 1 || s[j] != '\\') {
-          throw SemanticException("Invalid UTF codepoint.");
-        }
-        ++j;
-        if (j >= static_cast<int>(s.size()) - 1 || (s[j] != 'u' && s[j] != 'U')) {
-          throw SemanticException("Invalid UTF codepoint.");
-        }
-        ++j;
-        int k = j;
-        while (k < static_cast<int>(s.size()) - 1 && k < j + kShortUnicodeLength && isxdigit(s[k])) {
-          ++k;
-        }
-        if (k != j + kShortUnicodeLength) {
-          throw SemanticException("Invalid UTF codepoint.");
-        }
-        char16_t surrogates[3] = {t, static_cast<char16_t>(stoi(s.substr(j, kShortUnicodeLength), 0, 16)), 0};
-        i += kShortUnicodeLength + 2 + kShortUnicodeLength;
-        std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
-        return converter.to_bytes(surrogates);
-      } else {
-        i += kShortUnicodeLength;
-        std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
-        return converter.to_bytes(t);
-      }
-    }
-    throw SyntaxException(
-        "Expected 4 hex digits as unicode codepoint started with \\u. "
-        "Use \\U for 8 hex digits format.");
-  };
-
-  std::string unescaped;
-  bool escape = false;
-
-  // First and last char is quote, we don't need to look at them.
-  for (int i = 1; i < static_cast<int>(s.size()) - 1; ++i) {
-    if (escape) {
-      switch (s[i]) {
-        case '\\':
-          unescaped += '\\';
-          break;
-        case '\'':
-          unescaped += '\'';
-          break;
-        case '"':
-          unescaped += '"';
-          break;
-        case 'B':
-        case 'b':
-          unescaped += '\b';
-          break;
-        case 'F':
-        case 'f':
-          unescaped += '\f';
-          break;
-        case 'N':
-        case 'n':
-          unescaped += '\n';
-          break;
-        case 'R':
-        case 'r':
-          unescaped += '\r';
-          break;
-        case 'T':
-        case 't':
-          unescaped += '\t';
-          break;
-        case 'U':
-          try {
-            unescaped += EncodeEscapedUnicodeCodepointUtf32(s, i);
-          } catch (const std::range_error &) {
-            throw SemanticException("Invalid UTF codepoint.");
-          }
-          break;
-        case 'u':
-          try {
-            unescaped += EncodeEscapedUnicodeCodepointUtf16(s, i);
-          } catch (const std::range_error &) {
-            throw SemanticException("Invalid UTF codepoint.");
-          }
-          break;
-        default:
-          // This should never happen, except grammar changes and we don't
-          // notice change in this production.
-          DLOG_FATAL("can't happen");
-          throw std::exception();
-      }
-      escape = false;
-    } else if (s[i] == '\\') {
-      escape = true;
-    } else {
-      unescaped += s[i];
-    }
-  }
-  return unescaped;
-}
-
-double ParseDoubleLiteral(const std::string &s) {
-  try {
-    return utils::ParseDouble(s);
-  } catch (const utils::BasicException &) {
-    throw SemanticException("Couldn't parse string to double.");
-  }
-}
-
-std::string ParseParameter(const std::string &s) {
-  DMG_ASSERT(s[0] == '$', "Invalid string passed as parameter name");
-  if (s[1] != '`') return s.substr(1);
-  // If parameter name is escaped symbolic name then symbolic name should be
-  // unescaped and leading and trailing backquote should be removed.
-  DMG_ASSERT(s.size() > 3U && s.back() == '`', "Invalid string passed as parameter name");
-  std::string out;
-  for (int i = 2; i < static_cast<int>(s.size()) - 1; ++i) {
-    if (s[i] == '`') {
-      ++i;
-    }
-    out.push_back(s[i]);
-  }
-  return out;
-}
-
-}  // namespace memgraph::expr

src/expr/parsing.hpp

@@ -1,27 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-/// @file
-#pragma once
-
-#include <cstdint>
-#include <string>
-
-namespace memgraph::expr {
-
-// These are the functions for parsing literals and parameter names from
-// opencypher query.
-int64_t ParseIntegerLiteral(const std::string &s);
-std::string ParseStringLiteral(const std::string &s);
-double ParseDoubleLiteral(const std::string &s);
-std::string ParseParameter(const std::string &s);
-
-}  // namespace memgraph::expr

src/expr/semantic/symbol.lcp

@@ -1,87 +0,0 @@
-;; Copyright 2022 Memgraph Ltd.
-;;
-;; Use of this software is governed by the Business Source License
-;; included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-;; License, and you may not use this file except in compliance with the Business Source License.
-;;
-;; As of the Change Date specified in that file, in accordance with
-;; the Business Source License, use of this software will be governed
-;; by the Apache License, Version 2.0, included in the file
-;; licenses/APL.txt.
-
-#>cpp
-#pragma once
-
-#include <string>
-
-#include "utils/typeinfo.hpp"
-cpp<#
-
-(lcp:namespace memgraph)
-(lcp:namespace expr)
-
-(lcp:define-class symbol ()
-  ((name "std::string" :scope :public)
-   (position :int64_t :scope :public)
-   (user-declared :bool :initval "true" :scope :public)
-   (type "Type" :initval "Type::ANY" :scope :public)
-   (token-position :int64_t :initval "-1" :scope :public))
-  (:public
-    ;; This is similar to TypedValue::Type, but this has `Any` type.
-    ;; TODO: Make a better Type structure which can store a generic List.
-    (lcp:define-enum type (any vertex edge path number edge-list)
-      (:serialize))
-    #>cpp
-    // TODO: Generate enum to string conversion from LCP. Note, that this is
-    // displayed to the end user, so we may want to have a pretty name of each
-    // value.
-    static std::string TypeToString(Type type) {
-      const char *enum_string[] = {"Any",  "Vertex", "Edge",
-                                   "Path", "Number", "EdgeList"};
-      return enum_string[static_cast<int>(type)];
-    }
-
-    Symbol() {}
-    Symbol(const std::string &name, int position, bool user_declared,
-           Type type = Type::ANY, int token_position = -1)
-        : name_(name),
-          position_(position),
-          user_declared_(user_declared),
-          type_(type),
-          token_position_(token_position) {}
-
-    bool operator==(const Symbol &other) const {
-      return position_ == other.position_ && name_ == other.name_ &&
-             type_ == other.type_;
-    }
-    bool operator!=(const Symbol &other) const { return !operator==(other); }
-
-    // TODO: Remove these since members are public
-    const auto &name() const { return name_; }
-    int position() const { return position_; }
-    Type type() const { return type_; }
-    bool user_declared() const { return user_declared_; }
-    int token_position() const { return token_position_; }
-    cpp<#)
-  (:serialize (:slk)))
-
-(lcp:pop-namespace) ;; expr
-(lcp:pop-namespace) ;; memgraph
-
-#>cpp
-namespace std {
-
-template <>
-struct hash<memgraph::expr::Symbol> {
-  size_t operator()(const memgraph::expr::Symbol &symbol) const {
-    size_t prime = 265443599u;
-    size_t hash = std::hash<int>{}(symbol.position());
-    hash ^= prime * std::hash<std::string>{}(symbol.name());
-    hash ^= prime * std::hash<int>{}(static_cast<int>(symbol.type()));
-    return hash;
-  }
-};
-
-}  // namespace std
-
-cpp<#

src/expr/semantic/symbol_generator.hpp

@@ -1,712 +0,0 @@
-// Copyright 2022 Memgraph Ltd.
-//
-// Use of this software is governed by the Business Source License
-// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
-// License, and you may not use this file except in compliance with the Business Source License.
-//
-// As of the Change Date specified in that file, in accordance with
-// the Business Source License, use of this software will be governed
-// by the Apache License, Version 2.0, included in the file
-// licenses/APL.txt.
-
-// Copyright 2017 Memgraph
-//
-// Created by Teon Banek on 11-03-2017
-
-#pragma once
-
-#include <algorithm>
-#include <optional>
-#include <ranges>
-#include <unordered_map>
-#include <unordered_set>
-#include <variant>
-#include <vector>
-
-#include "expr/ast.hpp"
-#include "expr/ast/ast_visitor.hpp"
-#include "expr/exceptions.hpp"
-#include "expr/semantic/symbol_table.hpp"
-
-namespace memgraph::expr {
-namespace detail {
-inline std::unordered_map<std::string, Identifier *> GeneratePredefinedIdentifierMap(
-    const std::vector<Identifier *> &predefined_identifiers) {
-  std::unordered_map<std::string, Identifier *> identifier_map;
-  for (const auto &identifier : predefined_identifiers) {
-    identifier_map.emplace(identifier->name_, identifier);
-  }
-
-  return identifier_map;
-}
-}  // namespace detail
-
-/// Visits the AST and generates symbols for variables.
-///
-/// During the process of symbol generation, simple semantic checks are
-/// performed. Such as, redeclaring a variable or conflicting expectations of
-/// variable types.
-class SymbolGenerator : public HierarchicalTreeVisitor {
- public:
-  explicit SymbolGenerator(SymbolTable *symbol_table, const std::vector<Identifier *> &predefined_identifiers)
-      : symbol_table_(symbol_table),
-        predefined_identifiers_{detail::GeneratePredefinedIdentifierMap(predefined_identifiers)},
-        scopes_(1, Scope()) {}
-
-  using HierarchicalTreeVisitor::PostVisit;
-  using HierarchicalTreeVisitor::PreVisit;
-  using HierarchicalTreeVisitor::Visit;
-  using typename HierarchicalTreeVisitor::ReturnType;
-
-  // Query
-  bool PreVisit(SingleQuery & /*unused*/) override {
-    prev_return_names_ = curr_return_names_;
-    curr_return_names_.clear();
-    return true;
-  }
-
-  // Union
-  bool PreVisit(CypherUnion & /*unused*/) override {
-    scopes_.back() = Scope();
-    return true;
-  }
-
-  bool PostVisit(CypherUnion &cypher_union) override {
-    if (prev_return_names_ != curr_return_names_) {
-      throw SemanticException("All subqueries in an UNION must have the same column names.");
-    }
-
-    // create new symbols for the result of the union
-    for (const auto &name : curr_return_names_) {
-      auto symbol = CreateSymbol(name, false);
-      cypher_union.union_symbols_.push_back(symbol);
-    }
-
-    return true;
-  }
-
-  // Clauses
-  bool PreVisit(Create & /*unused*/) override {
-    scopes_.back().in_create = true;
-    return true;
-  }
-
-  bool PostVisit(Create & /*unused*/) override {
-    scopes_.back().in_create = false;
-    return true;
-  }
-
-  bool PreVisit(CallProcedure &call_proc) override {
-    for (auto *expr : call_proc.arguments_) {
-      expr->Accept(*this);
-    }
-    return false;
-  }
-
-  bool PostVisit(CallProcedure &call_proc) override {
-    for (auto *ident : call_proc.result_identifiers_) {
-      if (HasSymbolLocalScope(ident->name_)) {
-        throw RedeclareVariableError(ident->name_);
-      }
-      ident->MapTo(CreateSymbol(ident->name_, true));
-    }
-    return true;
-  }
-
-  bool PreVisit(LoadCsv & /*unused*/) override { return false; }
-
-  bool PostVisit(LoadCsv &load_csv) override {
-    if (HasSymbolLocalScope(load_csv.row_var_->name_)) {
-      throw RedeclareVariableError(load_csv.row_var_->name_);
-    }
-    load_csv.row_var_->MapTo(CreateSymbol(load_csv.row_var_->name_, true));
-    return true;
-  }
-
-  bool PreVisit(Return &ret) override {
-    auto &scope = scopes_.back();
-    scope.in_return = true;
-    VisitReturnBody(ret.body_);
-    scope.in_return = false;
-    return false;  // We handled the traversal ourselves.
-  }
-
-  bool PostVisit(Return & /*unused*/) override {
-    for (const auto &name_symbol : scopes_.back().symbols) curr_return_names_.insert(name_symbol.first);
-    return true;
-  }
-
-  bool PreVisit(With &with) override {
-    auto &scope = scopes_.back();
-    scope.in_with = true;
-    VisitReturnBody(with.body_, with.where_);
-    scope.in_with = false;
-    return false;  // We handled the traversal ourselves.
-  }
-
-  bool PreVisit(Where & /*unused*/) override {
-    scopes_.back().in_where = true;
-    return true;
-  }
-
-  bool PostVisit(Where & /*unused*/) override {
-    scopes_.back().in_where = false;
-    return true;
-  }
-
-  bool PreVisit(Merge & /*unused*/) override {
-    scopes_.back().in_merge = true;
-    return true;
-  }
-
-  bool PostVisit(Merge & /*unused*/) override {
-    scopes_.back().in_merge = false;
-    return true;
-  }
-
-  bool PostVisit(Unwind &unwind) override {
-    const auto &name = unwind.named_expression_->name_;
-    if (HasSymbolLocalScope(name)) {
-      throw RedeclareVariableError(name);
-    }
-    unwind.named_expression_->MapTo(CreateSymbol(name, true));
-    return true;
-  }
-
-  bool PreVisit(Match & /*unused*/) override {
-    scopes_.back().in_match = true;
-    return true;
-  }
-
-  bool PostVisit(Match & /*unused*/) override {
-    auto &scope = scopes_.back();
-    scope.in_match = false;
-    // Check variables in property maps after visiting Match, so that they can
-    // reference symbols out of bind order.
-    for (auto &ident : scope.identifiers_in_match) {
-      if (!HasSymbolLocalScope(ident->name_) && !ConsumePredefinedIdentifier(ident->name_))
-        throw UnboundVariableError(ident->name_);
-      ident->MapTo(scope.symbols[ident->name_]);
-    }
-    scope.identifiers_in_match.clear();
-    return true;
-  }
-
-  bool PreVisit(Foreach &for_each) override {
-    const auto &name = for_each.named_expression_->name_;
-    scopes_.emplace_back(Scope());
-    scopes_.back().in_foreach = true;
-    for_each.named_expression_->MapTo(
-        CreateSymbol(name, true, Symbol::Type::ANY, for_each.named_expression_->token_position_));
-    return true;
-  }
-
-  bool PostVisit(Foreach & /*unused*/) override {
-    scopes_.pop_back();
-    return true;
-  }
-
-  // Expressions
-  ReturnType Visit(Identifier &ident) override {
-    auto &scope = scopes_.back();
-    if (scope.in_skip || scope.in_limit) {
-      throw SemanticException("Variables are not allowed in {}.", scope.in_skip ? "SKIP" : "LIMIT");
-    }
-    Symbol symbol;
-    if (scope.in_pattern && !(scope.in_node_atom || scope.visiting_edge)) {
-      // If we are in the pattern, and outside of a node or an edge, the
-      // identifier is the pattern name.
-      symbol = GetOrCreateSymbolLocalScope(ident.name_, ident.user_declared_, Symbol::Type::PATH);
-    } else if (scope.in_pattern && scope.in_pattern_atom_identifier) {
-      //  Patterns used to create nodes and edges cannot redeclare already
-      //  established bindings. Declaration only happens in single node
-      //  patterns and in edge patterns. OpenCypher example,
-      //  `MATCH (n) CREATE (n)` should throw an error that `n` is already
-      //  declared. While `MATCH (n) CREATE (n) -[:R]-> (n)` is allowed,
-      //  since `n` now references the bound node instead of declaring it.
-      if ((scope.in_create_node || scope.in_create_edge) && HasSymbolLocalScope(ident.name_)) {
-        throw RedeclareVariableError(ident.name_);
-      }
-      auto type = Symbol::Type::VERTEX;
-      if (scope.visiting_edge) {
-        // Edge referencing is not allowed (like in Neo4j):
-        // `MATCH (n) - [r] -> (n) - [r] -> (n) RETURN r` is not allowed.
-        if (HasSymbolLocalScope(ident.name_)) {
-          throw RedeclareVariableError(ident.name_);
-        }
-        type = scope.visiting_edge->IsVariable() ? Symbol::Type::EDGE_LIST : Symbol::Type::EDGE;
-      }
-      symbol = GetOrCreateSymbolLocalScope(ident.name_, ident.user_declared_, type);
-    } else if (scope.in_pattern && !scope.in_pattern_atom_identifier && scope.in_match) {
-      if (scope.in_edge_range && scope.visiting_edge->identifier_->name_ == ident.name_) {
-        // Prevent variable path bounds to reference the identifier which is bound
-        // by the variable path itself.
-        throw UnboundVariableError(ident.name_);
-      }
-      // Variables in property maps or bounds of variable length path during MATCH
-      // can reference symbols bound later in the same MATCH. We collect them
-      // here, so that they can be checked after visiting Match.
-      scope.identifiers_in_match.emplace_back(&ident);
-    } else {
-      // Everything else references a bound symbol.
-      if (!HasSymbol(ident.name_) && !ConsumePredefinedIdentifier(ident.name_)) throw UnboundVariableError(ident.name_);
-      symbol = GetOrCreateSymbol(ident.name_, ident.user_declared_, Symbol::Type::ANY);
-    }
-    ident.MapTo(symbol);
-    return true;
-  }
-
-  ReturnType Visit(PrimitiveLiteral & /*unused*/) override { return true; }
-
-  ReturnType Visit(ParameterLookup & /*unused*/) override { return true; }
-
-  bool PreVisit(Aggregation &aggr) override {
-    auto &scope = scopes_.back();
-    // Check if the aggregation can be used in this context. This check should
-    // probably move to a separate phase, which checks if the query is well
-    // formed.
-    if ((!scope.in_return && !scope.in_with) || scope.in_order_by || scope.in_skip || scope.in_limit ||
-        scope.in_where) {
-      throw SemanticException("Aggregation functions are only allowed in WITH and RETURN.");
-    }
-    if (scope.in_aggregation) {
-      throw SemanticException(
-          "Using aggregation functions inside aggregation functions is not "
-          "allowed.");
-    }
-    if (scope.num_if_operators) {
-      // Neo allows aggregations here and produces very interesting behaviors.
-      // To simplify implementation at this moment we decided to completely
-      // disallow aggregations inside of the CASE.
-      // However, in some cases aggregation makes perfect sense, for example:
-      //    CASE count(n) WHEN 10 THEN "YES" ELSE "NO" END.
-      // TODO: Rethink of allowing aggregations in some parts of the CASE
-      // construct.
-      throw SemanticException("Using aggregation functions inside of CASE is not allowed.");
-    }
-    // Create a virtual symbol for aggregation result.
-    // Currently, we only have aggregation operators which return numbers.
-    auto aggr_name = Aggregation::OpToString(aggr.op_) + std::to_string(aggr.symbol_pos_);
-    aggr.MapTo(CreateSymbol(aggr_name, false, Symbol::Type::NUMBER));
-    scope.in_aggregation = true;
-    scope.has_aggregation = true;
-    return true;
-  }
-
-  bool PostVisit(Aggregation & /*unused*/) override {
-    scopes_.back().in_aggregation = false;
-    return true;
-  }
-
-  bool PreVisit(IfOperator & /*unused*/) override {
-    ++scopes_.back().num_if_operators;
-    return true;
-  }
-
-  bool PostVisit(IfOperator & /*unused*/) override {
-    --scopes_.back().num_if_operators;
-    return true;
-  }
-
-  bool PreVisit(All &all) override {
-    all.list_expression_->Accept(*this);
-    VisitWithIdentifiers(all.where_->expression_, {all.identifier_});
-    return false;
-  }
-
-  bool PreVisit(Single &single) override {
-    single.list_expression_->Accept(*this);
-    VisitWithIdentifiers(single.where_->expression_, {single.identifier_});
-    return false;
-  }
-
-  bool PreVisit(Any &any) override {
-    any.list_expression_->Accept(*this);
-    VisitWithIdentifiers(any.where_->expression_, {any.identifier_});
-    return false;
-  }
-
-  bool PreVisit(None &none) override {
-    none.list_expression_->Accept(*this);
-    VisitWithIdentifiers(none.where_->expression_, {none.identifier_});
-    return false;
-  }
-
-  bool PreVisit(Reduce &reduce) override {
-    reduce.initializer_->Accept(*this);
-    reduce.list_->Accept(*this);
-    VisitWithIdentifiers(reduce.expression_, {reduce.accumulator_, reduce.identifier_});
-    return false;
-  }
-
-  bool PreVisit(Extract &extract) override {
-    extract.list_->Accept(*this);
-    VisitWithIdentifiers(extract.expression_, {extract.identifier_});
-    return false;
-  }
-
-  // Pattern and its subparts.
-  bool PreVisit(Pattern &pattern) override {
-    auto &scope = scopes_.back();
-    scope.in_pattern = true;
-    if ((scope.in_create || scope.in_merge) && pattern.atoms_.size() == 1U) {
-      MG_ASSERT(utils::IsSubtype(*pattern.atoms_[0], NodeAtom::kType), "Expected a single NodeAtom in Pattern");
-      scope.in_create_node = true;
-    }
-    return true;
-  }
-
-  bool PostVisit(Pattern & /*unused*/) override {
-    auto &scope = scopes_.back();
-    scope.in_pattern = false;
-    scope.in_create_node = false;
-    return true;
-  }
-
-  bool PreVisit(NodeAtom &node_atom) override {
-    auto &scope = scopes_.back();
-    auto check_node_semantic = [&node_atom, &scope, this](const bool props_or_labels) {
-      const auto &node_name = node_atom.identifier_->name_;
-      if ((scope.in_create || scope.in_merge) && props_or_labels && HasSymbolLocalScope(node_name)) {
-        throw SemanticException("Cannot create node '" + node_name +
-                                "' with labels or properties, because it is already declared.");
-      }
-      scope.in_pattern_atom_identifier = true;
-      node_atom.identifier_->Accept(*this);
-      scope.in_pattern_atom_identifier = false;
-    };
-
-    scope.in_node_atom = true;
-    if (auto *properties = std::get_if<std::unordered_map<PropertyIx, Expression *>>(&node_atom.properties_)) {
-      bool props_or_labels = !properties->empty() || !node_atom.labels_.empty();
-
-      check_node_semantic(props_or_labels);
-      for (auto kv : *properties) {
-        kv.second->Accept(*this);
-      }
-
-      return false;
-    }
-    auto &properties_parameter = std::get<ParameterLookup *>(node_atom.properties_);
-    bool props_or_labels = !properties_parameter || !node_atom.labels_.empty();
-
-    check_node_semantic(props_or_labels);
-    properties_parameter->Accept(*this);
-    return false;
-  }
-
-  bool PostVisit(NodeAtom & /*unused*/) override {
-    scopes_.back().in_node_atom = false;
-    return true;
-  }
-
-  bool PreVisit(EdgeAtom &edge_atom) override {
-    auto &scope = scopes_.back();
-    scope.visiting_edge = &edge_atom;
-    if (scope.in_create || scope.in_merge) {
-      scope.in_create_edge = true;
-      if (edge_atom.edge_types_.size() != 1U) {
-        throw SemanticException(
-            "A single relationship type must be specified "
-            "when creating an edge.");
-      }
-      if (scope.in_create &&  // Merge allows bidirectionality
-          edge_atom.direction_ == EdgeAtom::Direction::BOTH) {
-        throw SemanticException(
-            "Bidirectional relationship are not supported "
-            "when creating an edge");
-      }
-      if (edge_atom.IsVariable()) {
-        throw SemanticException(
-            "Variable length relationships are not supported when creating an "
-            "edge.");
-      }
-    }
-    if (auto *properties = std::get_if<std::unordered_map<PropertyIx, Expression *>>(&edge_atom.properties_)) {
-      for (auto kv : *properties) {
-        kv.second->Accept(*this);
-      }
-    } else {
-      std::get<ParameterLookup *>(edge_atom.properties_)->Accept(*this);
-    }
-    if (edge_atom.IsVariable()) {
-      scope.in_edge_range = true;
-      if (edge_atom.lower_bound_) {
-        edge_atom.lower_bound_->Accept(*this);
-      }
-      if (edge_atom.upper_bound_) {
-        edge_atom.upper_bound_->Accept(*this);
-      }
-      scope.in_edge_range = false;
-      scope.in_pattern = false;
-      if (edge_atom.filter_lambda_.expression) {
-        VisitWithIdentifiers(edge_atom.filter_lambda_.expression,
-                             {edge_atom.filter_lambda_.inner_edge, edge_atom.filter_lambda_.inner_node});
-      } else {
-        // Create inner symbols, but don't bind them in scope, since they are to
-        // be used in the missing filter expression.
-        auto *inner_edge = edge_atom.filter_lambda_.inner_edge;
-        inner_edge->MapTo(
-            symbol_table_->CreateSymbol(inner_edge->name_, inner_edge->user_declared_, Symbol::Type::EDGE));
-        auto *inner_node = edge_atom.filter_lambda_.inner_node;
-        inner_node->MapTo(
-            symbol_table_->CreateSymbol(inner_node->name_, inner_node->user_declared_, Symbol::Type::VERTEX));
-      }
-      if (edge_atom.weight_lambda_.expression) {
-        VisitWithIdentifiers(edge_atom.weight_lambda_.expression,
-                             {edge_atom.weight_lambda_.inner_edge, edge_atom.weight_lambda_.inner_node});
-      }
-      scope.in_pattern = true;
-    }
-    scope.in_pattern_atom_identifier = true;
-    edge_atom.identifier_->Accept(*this);
-    scope.in_pattern_atom_identifier = false;
-    if (edge_atom.total_weight_) {
-      if (HasSymbolLocalScope(edge_atom.total_weight_->name_)) {
-        throw RedeclareVariableError(edge_atom.total_weight_->name_);
-      }
-      edge_atom.total_weight_->MapTo(GetOrCreateSymbolLocalScope(
-          edge_atom.total_weight_->name_, edge_atom.total_weight_->user_declared_, Symbol::Type::NUMBER));
-    }
-    return false;
-  }
-
-  bool PostVisit(EdgeAtom & /*unused*/) override {
-    auto &scope = scopes_.back();
-    scope.visiting_edge = nullptr;
-    scope.in_create_edge = false;
-    return true;
-  }
-
- private:
-  // Scope stores the state of where we are when visiting the AST and a map of
-  // names to symbols.
-  struct Scope {
-    bool in_pattern{false};
-    bool in_merge{false};
-    bool in_create{false};
-    // in_create_node is true if we are creating or merging *only* a node.
-    // Therefore, it is *not* equivalent to (in_create || in_merge) &&
-    // in_node_atom.
-    bool in_create_node{false};
-    // True if creating an edge;
-    // shortcut for (in_create || in_merge) && visiting_edge.
-    bool in_create_edge{false};
-    bool in_node_atom{false};
-    EdgeAtom *visiting_edge{nullptr};
-    bool in_aggregation{false};
-    bool in_return{false};
-    bool in_with{false};
-    bool in_skip{false};
-    bool in_limit{false};
-    bool in_order_by{false};
-    bool in_where{false};
-    bool in_match{false};
-    bool in_foreach{false};
-    // True when visiting a pattern atom (node or edge) identifier, which can be
-    // reused or created in the pattern itself.
-    bool in_pattern_atom_identifier{false};
-    // True when visiting range bounds of a variable path.
-    bool in_edge_range{false};
-    // True if the return/with contains an aggregation in any named expression.
-    bool has_aggregation{false};
-    // Map from variable names to symbols.
-    std::map<std::string, Symbol> symbols;
-    // Identifiers found in property maps of patterns or as variable length path
-    // bounds in a single Match clause. They need to be checked after visiting
-    // Match. Identifiers created by naming vertices, edges and paths are *not*
-    // stored in here.
-    std::vector<Identifier *> identifiers_in_match;
-    // Number of nested IfOperators.
-    int num_if_operators{0};
-  };
-
-  inline static std::optional<Symbol> FindSymbolInScope(const std::string &name, const Scope &scope,
-                                                        Symbol::Type type) {
-    if (auto it = scope.symbols.find(name); it != scope.symbols.end()) {
-      const auto &symbol = it->second;
-      // Unless we have `ANY` type, check that types match.
-      if (type != Symbol::Type::ANY && symbol.type() != Symbol::Type::ANY && type != symbol.type()) {
-        throw TypeMismatchError(name, Symbol::TypeToString(symbol.type()), Symbol::TypeToString(type));
-      }
-      return symbol;
-    }
-    return std::nullopt;
-  }
-
-  bool HasSymbol(const std::string &name) const {
-    return std::ranges::any_of(scopes_, [&name](const auto &scope) { return scope.symbols.contains(name); });
-  }
-
-  bool HasSymbolLocalScope(const std::string &name) const { return scopes_.back().symbols.contains(name); }
-
-  // @return true if it added a predefined identifier with that name
-  bool ConsumePredefinedIdentifier(const std::string &name) {
-    auto it = predefined_identifiers_.find(name);
-
-    if (it == predefined_identifiers_.end()) {
-      return false;
-    }
-
-    // we can only use the predefined identifier in a single scope so we remove it after creating
-    // a symbol for it
-    auto &identifier = it->second;
-    MG_ASSERT(!identifier->user_declared_, "Predefined symbols cannot be user declared!");
-    identifier->MapTo(CreateSymbol(identifier->name_, identifier->user_declared_));
-    predefined_identifiers_.erase(it);
-    return true;
-  }
-
-  // Returns a freshly generated symbol. Previous mapping of the same name to a
-  // different symbol is replaced with the new one.
-  Symbol CreateSymbol(const std::string &name, bool user_declared, Symbol::Type type = Symbol::Type::ANY,
-                      int token_position = -1) {
-    auto symbol = symbol_table_->CreateSymbol(name, user_declared, type, token_position);
-    scopes_.back().symbols[name] = symbol;
-    return symbol;
-  }
-
-  Symbol GetOrCreateSymbol(const std::string &name, bool user_declared, Symbol::Type type = Symbol::Type::ANY) {
-    // NOLINTNEXTLINE
-    for (auto scope = scopes_.rbegin(); scope != scopes_.rend(); ++scope) {
-      if (auto maybe_symbol = FindSymbolInScope(name, *scope, type); maybe_symbol) {
-        return *maybe_symbol;
-      }
-    }
-    return CreateSymbol(name, user_declared, type);
-  }
-
-  // Returns the symbol by name. If the mapping already exists, checks if the
-  // types match. Otherwise, returns a new symbol.
-  Symbol GetOrCreateSymbolLocalScope(const std::string &name, bool user_declared,
-                                     Symbol::Type type = Symbol::Type::ANY) {
-    auto &scope = scopes_.back();
-    if (auto maybe_symbol = FindSymbolInScope(name, scope, type); maybe_symbol) {
-      return *maybe_symbol;
-    }
-    return CreateSymbol(name, user_declared, type);
-  }
-
-  void VisitReturnBody(ReturnBody &body, Where *where = nullptr) {
-    auto &scope = scopes_.back();
-    for (auto &expr : body.named_expressions) {
-      expr->Accept(*this);
-    }
-    std::vector<Symbol> user_symbols;
-    if (body.all_identifiers) {
-      // Carry over user symbols because '*' appeared.
-      for (const auto &sym_pair : scope.symbols) {
-        if (!sym_pair.second.user_declared()) {
-          continue;
-        }
-        user_symbols.emplace_back(sym_pair.second);
-      }
-      if (user_symbols.empty()) {
-        throw SemanticException("There are no variables in scope to use for '*'.");
-      }
-    }
-    // WITH/RETURN clause removes declarations of all the previous variables and
-    // declares only those established through named expressions. New declarations
-    // must not be visible inside named expressions themselves.
-    bool removed_old_names = false;
-    if ((!where && body.order_by.empty()) || scope.has_aggregation) {
-      // WHERE and ORDER BY need to see both the old and new symbols, unless we
-      // have an aggregation. Therefore, we can clear the symbols immediately if
-      // there is neither ORDER BY nor WHERE, or we have an aggregation.
-      scope.symbols.clear();
-      removed_old_names = true;
-    }
-    // Create symbols for named expressions.
-    std::unordered_set<std::string> new_names;
-    for (const auto &user_sym : user_symbols) {
-      new_names.insert(user_sym.name());
-      scope.symbols[user_sym.name()] = user_sym;
-    }
-    for (auto &named_expr : body.named_expressions) {
-      const auto &name = named_expr->name_;
-      if (!new_names.insert(name).second) {
-        throw SemanticException("Multiple results with the same name '{}' are not allowed.", name);
-      }
-      // An improvement would be to infer the type of the expression, so that the
-      // new symbol would have a more specific type.
-      named_expr->MapTo(CreateSymbol(name, true, Symbol::Type::ANY, named_expr->token_position_));
-    }
-    scope.in_order_by = true;
-    for (const auto &order_pair : body.order_by) {
-      order_pair.expression->Accept(*this);
-    }
-    scope.in_order_by = false;
-    if (body.skip) {
-      scope.in_skip = true;
-      body.skip->Accept(*this);
-      scope.in_skip = false;
-    }
-    if (body.limit) {
-      scope.in_limit = true;
-      body.limit->Accept(*this);
-      scope.in_limit = false;
-    }
-    if (where) where->Accept(*this);
-    if (!removed_old_names) {
-      // We have an ORDER BY or WHERE, but no aggregation, which means we didn't
-      // clear the old symbols, so do it now. We cannot just call clear, because
-      // we've added new symbols.
-      for (auto sym_it = scope.symbols.begin(); sym_it != scope.symbols.end();) {
-        if (new_names.find(sym_it->first) == new_names.end()) {
-          sym_it = scope.symbols.erase(sym_it);
-        } else {
-          sym_it++;
-        }
-      }
-    }
-    scopes_.back().has_aggregation = false;
-  }
-
-  void VisitWithIdentifiers(Expression *expr, const std::vector<Identifier *> &identifiers) {
-    auto &scope = scopes_.back();
-    std::vector<std::pair<std::optional<Symbol>, Identifier *>> prev_symbols;
-    // Collect previous symbols if they exist.
-    for (const auto &identifier : identifiers) {
-      std::optional<Symbol> prev_symbol;
-      auto prev_symbol_it = scope.symbols.find(identifier->name_);
-      if (prev_symbol_it != scope.symbols.end()) {
-        prev_symbol = prev_symbol_it->second;
-      }
-      identifier->MapTo(CreateSymbol(identifier->name_, identifier->user_declared_));
-      prev_symbols.emplace_back(prev_symbol, identifier);
-    }
-    // Visit the expression with the new symbols bound.
-    expr->Accept(*this);
-    // Restore back to previous symbols.
-    for (const auto &prev : prev_symbols) {
-      const auto &prev_symbol = prev.first;
-      const auto &identifier = prev.second;
-      if (prev_symbol) {
-        scope.symbols[identifier->name_] = *prev_symbol;
-      } else {
-        scope.symbols.erase(identifier->name_);
-      }
-    }
-  }
-
-  SymbolTable *symbol_table_;
-
-  // Identifiers which are injected from outside the query. Each identifier
-  // is mapped by its name.
-  std::unordered_map<std::string, Identifier *> predefined_identifiers_;
-  std::vector<Scope> scopes_;
-  std::unordered_set<std::string> prev_return_names_;
-  std::unordered_set<std::string> curr_return_names_;
-};
-
-inline SymbolTable MakeSymbolTable(CypherQuery *query, const std::vector<Identifier *> &predefined_identifiers = {}) {
-  SymbolTable symbol_table;
-  SymbolGenerator symbol_generator(&symbol_table, predefined_identifiers);
-  query->single_query_->Accept(symbol_generator);
-  for (auto *cypher_union : query->cypher_unions_) {
-    cypher_union->Accept(symbol_generator);
-  }
-  return symbol_table;
-}
-
-}  // namespace memgraph::expr