Merge branch 'master' into fix-kafka-e2e-test

Add timestamp to DELETE_DESERIALIZED_OBJECT delta at which this object was created.
RocksDB currently doesn't provide timestamp() functionality in iterators of TransationDB.
Because of that we are using constant "0" timestamp for DELETE_DESERIALIZED_OBJECT.

.github/workflows/diff.yaml

@@ -267,8 +267,8 @@ jobs:
       - name: Run e2e tests
         run: |
           cd tests
-          ./setup.sh
-          source ve3/bin/activate
+          ./setup.sh /opt/toolchain-v4/activate
+          source ve3/bin/activate_e2e
           cd e2e
           ./run.sh
 

.github/workflows/package_all.yaml

@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
     inputs:
       memgraph_version:
-        description: "Memgraph version to upload as. If empty upload is skipped. Format: 'vX.Y.Z'"
+        description: "Memgraph version to upload as. If empty upload is skipped. Format: 'X.Y.Z'"
         required: false
 
 jobs:
@@ -201,7 +201,7 @@ jobs:
 
   debian-11-arm:
     runs-on: [self-hosted, DockerMgBuild, ARM64, strange]
-    timeout-minutes: 60
+    timeout-minutes: 120
     steps:
       - name: "Set up repository"
         uses: actions/checkout@v3
@@ -218,7 +218,7 @@ jobs:
 
   ubuntu-2204-arm:
     runs-on: [self-hosted, DockerMgBuild, ARM64, strange]
-    timeout-minutes: 60
+    timeout-minutes: 120
     steps:
       - name: "Set up repository"
         uses: actions/checkout@v3
@@ -253,4 +253,4 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_AWS_SECRET_ACCESS_KEY }}
           AWS_REGION: "eu-west-1"
           SOURCE_DIR: "build/output/release"
-          DEST_DIR: "memgraph/${{ github.event.inputs.memgraph_version }}/"
+          DEST_DIR: "memgraph/v${{ github.event.inputs.memgraph_version }}/"

.github/workflows/release_centos8.yaml

@@ -266,8 +266,8 @@ jobs:
       - name: Run e2e tests
         run: |
           cd tests
-          ./setup.sh
-          source ve3/bin/activate
+          ./setup.sh /opt/toolchain-v4/activate
+          source ve3/bin/activate_e2e
           cd e2e
           ./run.sh
 

.github/workflows/release_debian10.yaml

@@ -265,8 +265,8 @@ jobs:
       - name: Run e2e tests
         run: |
           cd tests
-          ./setup.sh
-          source ve3/bin/activate
+          ./setup.sh /opt/toolchain-v4/activate
+          source ve3/bin/activate_e2e
           cd e2e
           ./run.sh
 

.github/workflows/release_ubuntu2004.yaml

@@ -265,8 +265,8 @@ jobs:
       - name: Run e2e tests
         run: |
           cd tests
-          ./setup.sh
-          source ve3/bin/activate
+          ./setup.sh /opt/toolchain-v4/activate
+          source ve3/bin/activate_e2e
           cd e2e
           ./run.sh
 

.github/workflows/upload_to_s3.yaml

@@ -0,0 +1,32 @@
+name: Upload Package All artifacts to S3
+
+on:
+  workflow_dispatch:
+    inputs:
+      memgraph_version:
+        description: "Memgraph version to upload as. Format: 'X.Y.Z'"
+        required: true
+      run_number:
+        description: "# of the package_all workflow run to upload artifacts from. Format: '#XYZ'"
+        required: true
+
+jobs:
+  upload-to-s3:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download artifacts
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: package_all.yaml
+          workflow_conclusion: success
+          run_number: "${{ github.event.inputs.run_number }}"
+          path: build/output/release
+      - name: Upload to S3
+        uses: jakejarvis/s3-sync-action@v0.5.1
+        env:
+          AWS_S3_BUCKET: "download.memgraph.com"
+          AWS_ACCESS_KEY_ID: ${{ secrets.S3_AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_AWS_SECRET_ACCESS_KEY }}
+          AWS_REGION: "eu-west-1"
+          SOURCE_DIR: "build/output/release"
+          DEST_DIR: "memgraph/v${{ github.event.inputs.memgraph_version }}/"

.gitignore

@@ -59,3 +59,5 @@ src/raft/storage_info_rpc_messages.hpp
 src/stats/stats_rpc_messages.hpp
 src/storage/distributed/rpc/concurrent_id_mapper_rpc_messages.hpp
 src/transactions/distributed/engine_rpc_messages.hpp
+/tests/manual/js/transaction_timeout/package-lock.json
+/tests/manual/js/transaction_timeout/node_modules/

.pre-commit-config.yaml

@@ -19,3 +19,16 @@ repos:
     rev: v13.0.0
     hooks:
       - id: clang-format
+#  - repo: local
+#    hooks:
+#      - id: clang-tidy
+#        name: clang-tidy
+#        description: Runs clang-tidy and checks for errors
+#        entry: python ./tools/pre-commit/clang-tidy.py
+#        language: python
+#        files: ^src/
+#        types: [c++, text]
+#        fail_fast: true
+#        require_serial: true
+#        args: [--compile_commands_path=build]
+#        pass_filenames: false

CMakeLists.txt

@@ -42,6 +42,10 @@ endif()
 
 project(memgraph LANGUAGES C CXX)
 
+# NOTE: once in a while this needs to be toggled to check headers are
+#       correct and PCH isn't masking any include issues
+set(CMAKE_DISABLE_PRECOMPILE_HEADERS OFF)
+
 #TODO: upgrade to cmake 3.24 + CheckIPOSupported
 #cmake_policy(SET CMP0138 NEW)
 #include(CheckIPOSupported)
@@ -196,7 +200,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall \
     -Werror=switch -Werror=switch-bool -Werror=return-type \
     -Werror=return-stack-address \
-    -Wno-c99-designator \
+    -Wno-c99-designator -Wmissing-field-initializers \
     -DBOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT")
 
 # Don't omit frame pointer in RelWithDebInfo, for additional callchain debug.
@@ -211,8 +215,8 @@ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO
 # ** Static linking is allowed only for executables! **
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
 
-# Use gold linker to speedup build
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold")
+# Use lld linker to speedup build
+add_link_options(-fuse-ld=lld) # TODO: use mold linker
 
 # release flags
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
@@ -298,7 +302,7 @@ set(ENABLE_JEMALLOC ON)
 if (ASAN)
   message(WARNING "Disabling jemalloc as it doesn't work well with ASAN")
   set(ENABLE_JEMALLOC OFF)
-  # Enable Addres sanitizer and get nicer stack traces in error messages.
+  # Enable Address sanitizer and get nicer stack traces in error messages.
   # NOTE: AddressSanitizer uses llvm-symbolizer binary from the Clang
   # distribution to symbolize the stack traces (note that ideally the
   # llvm-symbolizer version must match the version of ASan runtime library).

README.md

@@ -175,7 +175,6 @@ license](./licenses/BSL.txt).</br> Memgraph Enterprise is available under the
 
 - :purple_heart: [**Discord**](https://discord.gg/memgraph)
 - :ocean: [**Stack Overflow**](https://stackoverflow.com/questions/tagged/memgraphdb)
-- :busts_in_silhouette: [**Discourse forum**](https://discourse.memgraph.com/)
 - :bird: [**Twitter**](https://twitter.com/memgraphdb)
 - :movie_camera:
   [**YouTube**](https://www.youtube.com/channel/UCZ3HOJvHGxtQ_JHxOselBYg)

environment/os/amzn-2.sh

@@ -57,7 +57,7 @@ MEMGRAPH_BUILD_DEPS=(
     libcurl-devel # mg-requests
     rpm-build rpmlint # for RPM package building
     doxygen graphviz # source documentation generators
-    which nodejs golang custom-golang1.18.9 zip unzip java-11-openjdk-devel jdk-17 custom-maven3.9.2 # for driver tests
+    which nodejs golang custom-golang1.18.9 zip unzip java-11-openjdk-devel jdk-17 custom-maven3.9.3 # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
     cyrus-sasl-devel
@@ -82,8 +82,8 @@ check() {
     local OLD_LD_LIBRARY_PATH=${LD_LIBRARY_PATH:-""}
     LD_LIBRARY_PATH=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -127,8 +127,8 @@ install() {
 
     yum update -y
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/centos-7.sh

@@ -57,7 +57,7 @@ MEMGRAPH_BUILD_DEPS=(
     rpm-build rpmlint # for RPM package building
     doxygen graphviz # source documentation generators
     which mono-complete dotnet-sdk-3.1 golang custom-golang1.18.9 # for driver tests
-    nodejs zip unzip java-11-openjdk-devel jdk-17 custom-maven3.9.2 # for driver tests
+    nodejs zip unzip java-11-openjdk-devel jdk-17 custom-maven3.9.3 # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
     cyrus-sasl-devel
@@ -78,8 +78,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -134,8 +134,8 @@ install() {
     yum install -y git
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/centos-9.sh

@@ -57,7 +57,7 @@ MEMGRAPH_BUILD_DEPS=(
     rpm-build rpmlint # for RPM package building
     doxygen graphviz # source documentation generators
     which nodejs golang custom-golang1.18.9 # for driver tests
-    zip unzip java-11-openjdk-devel java-17-openjdk java-17-openjdk-devel custom-maven3.9.2 # for driver tests
+    zip unzip java-11-openjdk-devel java-17-openjdk java-17-openjdk-devel custom-maven3.9.3 # for driver tests
     sbcl # for custom Lisp C++ preprocessing
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -79,8 +79,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -127,8 +127,8 @@ install() {
     yum install -y wget git python3 python3-pip
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/debian-10.sh

@@ -53,7 +53,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 oracle-java17-installer custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless oracle-java17-installer custom-maven3.9.3 # for driver tests
     dotnet-sdk-3.1 golang custom-golang1.18.9 nodejs npm # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -75,8 +75,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -124,8 +124,8 @@ EOF
     fi
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/debian-11-arm.sh

@@ -54,7 +54,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 openjdk-17-jdk custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless openjdk-17-jdk custom-maven3.9.3 # for driver tests
     golang custom-golang1.18.9 nodejs npm
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -76,8 +76,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -121,8 +121,8 @@ EOF
     apt install -y wget
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/debian-11.sh

@@ -54,7 +54,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 openjdk-17-jdk custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless openjdk-17-jdk custom-maven3.9.3 # for driver tests
     dotnet-sdk-3.1 golang custom-golang1.18.9 nodejs npm
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -76,8 +76,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -121,8 +121,8 @@ EOF
     apt install -y wget
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/fedora-36.sh

@@ -52,7 +52,7 @@ MEMGRAPH_BUILD_DEPS=(
     libcurl-devel # mg-requests
     rpm-build rpmlint # for RPM package building
     doxygen graphviz # source documentation generators
-    java-11-openjdk-devel java-17-openjdk-devel custom-maven3.9.2 # for driver tests
+    java-11-openjdk-devel java-17-openjdk-devel custom-maven3.9.3 # for driver tests
     which zip unzip
     nodejs golang custom-golang1.18.9 # for driver tests
     sbcl # for custom Lisp C++ preprocessing
@@ -82,8 +82,8 @@ check() {
         LD_LIBRARY_PATH=""
     fi
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -124,8 +124,8 @@ install() {
     dnf update -y
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/ubuntu-18.04.sh

@@ -53,7 +53,7 @@ MEMGRAPH_BUILD_DEPS=(
     libcurl4-openssl-dev # mg-requests
     sbcl # custom Lisp C++ preprocessing
     doxygen graphviz # source documentation generators
-    mono-runtime mono-mcs nodejs zip unzip default-jdk-headless openjdk-17-jdk-headless custom-maven3.9.2 # driver tests
+    mono-runtime mono-mcs nodejs zip unzip default-jdk-headless openjdk-17-jdk-headless custom-maven3.9.3 # driver tests
     custom-golang1.18.9 # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -75,8 +75,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -101,8 +101,8 @@ install() {
     apt update -y
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/ubuntu-20.04.sh

@@ -53,7 +53,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 openjdk-17-jdk-headless custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless openjdk-17-jdk-headless custom-maven3.9.3 # for driver tests
     dotnet-sdk-3.1 golang custom-golang1.18.9 nodejs npm # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -75,8 +75,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -111,8 +111,8 @@ install() {
     fi
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/ubuntu-22.04-arm.sh

@@ -53,7 +53,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 openjdk-17-jdk-headless custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless openjdk-17-jdk-headless custom-maven3.9.3 # for driver tests
     dotnet-sdk-6.0 golang custom-golang1.18.9 nodejs npm
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -75,8 +75,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -110,8 +110,8 @@ install() {
     apt install -y wget
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/os/ubuntu-22.04.sh

@@ -53,7 +53,7 @@ MEMGRAPH_BUILD_DEPS=(
     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 openjdk-17-jdk-headless custom-maven3.9.2 # for driver tests
+    mono-runtime mono-mcs zip unzip default-jdk-headless openjdk-17-jdk-headless custom-maven3.9.3 # for driver tests
     dotnet-sdk-6.0 golang custom-golang1.18.9 nodejs npm # for driver tests
     autoconf # for jemalloc code generation
     libtool  # for protobuf code generation
@@ -75,8 +75,8 @@ list() {
 check() {
     local missing=""
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            if [ ! -f "/opt/apache-maven-3.9.2/bin/mvn" ]; then
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            if [ ! -f "/opt/apache-maven-3.9.3/bin/mvn" ]; then
               missing="$pkg $missing"
             fi
             continue
@@ -110,8 +110,8 @@ install() {
     fi
 
     for pkg in $1; do
-        if [ "$pkg" == custom-maven3.9.2 ]; then
-            install_custom_maven "3.9.2"
+        if [ "$pkg" == custom-maven3.9.3 ]; then
+            install_custom_maven "3.9.3"
             continue
         fi
         if [ "$pkg" == custom-golang1.18.9 ]; then

environment/util.sh

@@ -1,8 +1,15 @@
 #!/bin/bash
 
 function operating_system() {
-    grep -E '^(VERSION_)?ID=' /etc/os-release | \
-    sort | cut -d '=' -f 2- | sed 's/"//g' | paste -s -d '-'
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        grep -E '^(VERSION_)?ID=' /etc/os-release | \
+        sort | cut -d '=' -f 2- | sed 's/"//g' | paste -s -d '-'
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        echo "$(sw_vers -productName)-$(sw_vers -productVersion | cut -d '.' -f 1)"
+    else
+        echo "operating_system called on an unknown OS"
+        exit 1
+    fi
 }
 
 function check_operating_system() {
@@ -93,8 +100,10 @@ function install_custom_golang() {
 function install_custom_maven() {
   MVNVERSION="$1"
   MVNINSTALLDIR="/opt/apache-maven-$MVNVERSION"
+  MVNURL="https://s3.eu-west-1.amazonaws.com/deps.memgraph.io/maven/apache-maven-$MVNVERSION-bin.tar.gz"
   if [ ! -f "$MVNINSTALLDIR/bin/mvn" ]; then
-    curl -LO "https://dlcdn.apache.org/maven/maven-3/$MVNVERSION/binaries/apache-maven-$MVNVERSION-bin.tar.gz"
+    echo "Downloading maven from $MVNURL"
+    curl -LO "$MVNURL"
     tar -C "/opt" -xzf "apache-maven-$MVNVERSION-bin.tar.gz"
   fi
   echo "maven $MVNVERSION installed under $MVNINSTALLDIR"

include/_mgp.hpp

@@ -135,6 +135,13 @@ inline int64_t value_get_int(mgp_value *val) { return MgInvoke<int64_t>(mgp_valu
 
 inline double value_get_double(mgp_value *val) { return MgInvoke<double>(mgp_value_get_double, val); }
 
+inline double value_get_numeric(mgp_value *val) {
+  if (MgInvoke<int>(mgp_value_is_int, val)) {
+    return static_cast<double>(value_get_int(val));
+  }
+  return value_get_double(val);
+}
+
 inline const char *value_get_string(mgp_value *val) { return MgInvoke<const char *>(mgp_value_get_string, val); }
 
 inline mgp_list *value_get_list(mgp_value *val) { return MgInvoke<mgp_list *>(mgp_value_get_list, val); }
@@ -171,6 +178,8 @@ inline bool value_is_int(mgp_value *val) { return MgInvoke<int>(mgp_value_is_int
 
 inline bool value_is_double(mgp_value *val) { return MgInvoke<int>(mgp_value_is_double, val); }
 
+inline bool value_is_numeric(mgp_value *val) { return value_is_int(val) || value_is_double(val); }
+
 inline bool value_is_string(mgp_value *val) { return MgInvoke<int>(mgp_value_is_string, val); }
 
 inline bool value_is_list(mgp_value *val) { return MgInvoke<int>(mgp_value_is_list, val); }
@@ -326,6 +335,12 @@ inline void map_insert(mgp_map *map, const char *key, mgp_value *value) {
   MgInvokeVoid(mgp_map_insert, map, key, value);
 }
 
+inline void map_update(mgp_map *map, const char *key, mgp_value *value) {
+  MgInvokeVoid(mgp_map_update, map, key, value);
+}
+
+inline void map_erase(mgp_map *map, const char *key) { MgInvokeVoid(mgp_map_erase, map, key); }
+
 inline size_t map_size(mgp_map *map) { return MgInvoke<size_t>(mgp_map_size, map); }
 
 inline mgp_value *map_at(mgp_map *map, const char *key) { return MgInvoke<mgp_value *>(mgp_map_at, map, key); }
@@ -374,6 +389,10 @@ inline bool vertex_has_label_named(mgp_vertex *v, const char *label_name) {
 
 inline void vertex_add_label(mgp_vertex *vertex, mgp_label label) { MgInvokeVoid(mgp_vertex_add_label, vertex, label); }
 
+inline void vertex_remove_label(mgp_vertex *vertex, mgp_label label) {
+  MgInvokeVoid(mgp_vertex_remove_label, vertex, label);
+}
+
 inline mgp_value *vertex_get_property(mgp_vertex *v, const char *property_name, mgp_memory *memory) {
   return MgInvoke<mgp_value *>(mgp_vertex_get_property, v, property_name, memory);
 }
@@ -703,7 +722,7 @@ inline void proc_add_deprecated_result(mgp_proc *proc, const char *name, mgp_typ
   MgInvokeVoid(mgp_proc_add_deprecated_result, proc, name, type);
 }
 
-inline bool must_abort(mgp_graph *graph) { return mgp_must_abort(graph); }
+inline int must_abort(mgp_graph *graph) { return mgp_must_abort(graph); }
 
 // mgp_result
 

include/mg_exceptions.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -13,45 +13,96 @@
 
 #include <exception>
 #include <iostream>
+#include <sstream>
+#include <string>
 
 namespace mg_exception {
-struct NotEnoughMemoryException : public std::exception {
-  const char *what() const throw() { return "Not enough memory!"; }
-};
+
+// Instead of writing this utility function, we could have used `fmt::format`, but that's not an ideal option here
+// because that would introduce dependency that would be propagated to the client code (if exceptions here would be
+// used). Since the functionality here is not complex + the code is not on a critical path, we opted for a pure C++
+// solution.
+template <typename FirstArg, typename... Args>
+std::string StringSerialize(FirstArg &&firstArg, Args &&...args) {
+  std::stringstream stream;
+  stream << firstArg;
+  ((stream << " " << args), ...);
+  return stream.str();
+}
+
 struct UnknownException : public std::exception {
-  const char *what() const throw() { return "Unknown exception!"; }
+  const char *what() const noexcept override { return "Unknown exception!"; }
 };
+
+struct NotEnoughMemoryException : public std::exception {
+  NotEnoughMemoryException()
+      : message_{
+            StringSerialize("Not enough memory! For more details please visit", "https://memgr.ph/memory-control")} {}
+  const char *what() const noexcept override { return message_.c_str(); }
+
+ private:
+  std::string message_;
+};
+
 struct AllocationException : public std::exception {
-  const char *what() const throw() { return "Could not allocate memory!"; }
+  AllocationException()
+      : message_{StringSerialize("Could not allocate memory. For more details please visit",
+                                 "https://memgr.ph/memory-control")} {}
+  const char *what() const noexcept override { return message_.c_str(); }
+
+ private:
+  std::string message_;
 };
+
 struct InsufficientBufferException : public std::exception {
-  const char *what() const throw() { return "Buffer is not sufficient to process procedure!"; }
+  const char *what() const noexcept override { return "Buffer is not sufficient to process procedure!"; }
 };
+
 struct OutOfRangeException : public std::exception {
-  const char *what() const throw() { return "Index out of range!"; }
+  const char *what() const noexcept override { return "Index out of range!"; }
 };
+
 struct LogicException : public std::exception {
-  const char *what() const throw() { return "Logic exception, check the procedure signature!"; }
+  const char *what() const noexcept override { return "Logic exception, check the procedure signature!"; }
 };
+
 struct DeletedObjectException : public std::exception {
-  const char *what() const throw() { return "Object is deleted!"; }
+  const char *what() const noexcept override { return "Object is deleted!"; }
 };
+
 struct InvalidArgumentException : public std::exception {
-  const char *what() const throw() { return "Invalid argument!"; }
+  const char *what() const noexcept override { return "Invalid argument!"; }
 };
+
 struct InvalidIDException : public std::exception {
-  const char *what() const throw() { return "Invalid ID!"; }
+  InvalidIDException() : message_{"Invalid ID!"} {}
+  explicit InvalidIDException(std::uint64_t identifier) : message_{StringSerialize("Invalid ID =", identifier)} {}
+  const char *what() const noexcept override { return message_.c_str(); }
+
+ private:
+  std::string message_;
 };
+
 struct KeyAlreadyExistsException : public std::exception {
-  const char *what() const throw() { return "Key you are trying to set already exists!"; }
+  KeyAlreadyExistsException() : message_{"Key you are trying to set already exists!"} {}
+  explicit KeyAlreadyExistsException(const std::string &key)
+      : message_{StringSerialize("Key you are trying to set already exists! KEY = ", key)} {}
+  const char *what() const noexcept override { return message_.c_str(); }
+
+ private:
+  std::string message_;
 };
+
 struct ImmutableObjectException : public std::exception {
-  const char *what() const throw() { return "Object you are trying to change is immutable!"; }
+  const char *what() const noexcept override { return "Object you are trying to change is immutable!"; }
 };
+
 struct ValueConversionException : public std::exception {
-  const char *what() const throw() { return "Error in value conversion!"; }
+  const char *what() const noexcept override { return "Error in value conversion!"; }
 };
+
 struct SerializationException : public std::exception {
-  const char *what() const throw() { return "Error in serialization!"; }
+  const char *what() const noexcept override { return "Error in serialization!"; }
 };
+
 }  // namespace mg_exception

include/mg_procedure.h

@@ -462,6 +462,18 @@ void mgp_map_destroy(struct mgp_map *map);
 /// Return mgp_error::MGP_ERROR_KEY_ALREADY_EXISTS if a previous mapping already exists.
 enum mgp_error mgp_map_insert(struct mgp_map *map, const char *key, struct mgp_value *value);
 
+/// Insert a mapping from a NULL terminated character string to a value.
+/// If a mapping with the same key already exists, it is replaced.
+/// In case of update, both the string and the value are copied into the map.
+/// Therefore, the map does not take ownership of the original key nor value, so
+/// you still need to free their memory explicitly.
+/// Return mgp_error::MGP_ERROR_UNABLE_TO_ALLOCATE is returned if unable to allocate for insertion.
+enum mgp_error mgp_map_update(struct mgp_map *map, const char *key, struct mgp_value *value);
+
+// Erase a mapping by key.
+// If the key doesn't exist in the map nothing happens
+enum mgp_error mgp_map_erase(struct mgp_map *map, const char *key);
+
 /// Get the number of items stored in mgp_map.
 /// Current implementation always returns without errors.
 enum mgp_error mgp_map_size(struct mgp_map *map, size_t *result);
@@ -1448,7 +1460,10 @@ enum mgp_error mgp_log(enum mgp_log_level log_level, const char *output);
 /// @{
 
 /// Return non-zero if the currently executing procedure should abort as soon as
-/// possible.
+/// possible. If non-zero the reasons are:
+/// (1) The transaction was requested to be terminated
+/// (2) The server is gracefully shutting down
+/// (3) The transaction has hit its timeout threshold
 ///
 /// Procedures which perform heavyweight processing run the risk of running too
 /// long and going over the query execution time limit. To prevent this, such

init

@@ -93,6 +93,10 @@ setup_virtualenv tests/stress
 setup_virtualenv tests/integration/ldap
 
 # Setup tests dependencies.
+# NOTE: This is commented out because of the build order (at the time of
+# execution mgclient is not built yet) which makes this setup to fail. mgclient
+# is built during the make phase. The tests/setup.sh is called under GHA CI
+# jobs.
 # cd tests
 # ./setup.sh
 # cd ..

libs/CMakeLists.txt

@@ -261,3 +261,7 @@ import_external_library(librdtsc STATIC
 
 # setup ctre
 import_header_library(ctre ${CMAKE_CURRENT_SOURCE_DIR})
+
+# setup absl (cmake sub_directory tolerant)
+set(ABSL_PROPAGATE_CXX_STD ON)
+add_subdirectory(absl EXCLUDE_FROM_ALL)

libs/setup.sh

@@ -71,8 +71,8 @@ file_get_try_double () {
     if [ -z "$primary_url" ]; then echo "Primary should not be empty." && exit 1; fi
     if [ -z "$secondary_url" ]; then echo "Secondary should not be empty." && exit 1; fi
     filename="$(basename "$secondary_url")"
-    wget -nv "$primary_url" -O "$filename" || wget -nv "$secondary_url" -O "$filename" || exit 1
-    echo ""
+    # Redirect primary/cache to /dev/null to make it less confusing for a new contributor because only CI has access to the cache.
+    wget -nv "$primary_url" -O "$filename" >/dev/null 2>&1 || wget -nv "$secondary_url" -O "$filename" || exit 1
 }
 
 repo_clone_try_double () {
@@ -86,8 +86,8 @@ repo_clone_try_double () {
     if [ -z "$secondary_url" ]; then echo "Secondary should not be empty." && exit 1; fi
     if [ -z "$folder_name" ]; then echo "Clone folder should not be empty." && exit 1; fi
     if [ -z "$ref" ]; then echo "Git clone ref should not be empty." && exit 1; fi
-    clone "$primary_url" "$folder_name" "$ref" "$shallow" || clone "$secondary_url" "$folder_name" "$ref" "$shallow" || exit 1
-    echo ""
+    # Redirect primary/cache to /dev/null to make it less confusing for a new contributor because only CI has access to the cache.
+    clone "$primary_url" "$folder_name" "$ref" "$shallow" >/dev/null 2>&1 || clone "$secondary_url" "$folder_name" "$ref" "$shallow" || exit 1
 }
 
 # List all dependencies.
@@ -123,6 +123,7 @@ declare -A primary_urls=(
   ["pulsar"]="http://$local_cache_host/git/pulsar.git"
   ["librdtsc"]="http://$local_cache_host/git/librdtsc.git"
   ["ctre"]="http://$local_cache_host/file/hanickadot/compile-time-regular-expressions/v3.7.2/single-header/ctre.hpp"
+  ["absl"]="https://$local_cache_host/git/abseil-cpp.git"
 )
 
 # The goal of secondary urls is to have links to the "source of truth" of
@@ -140,7 +141,7 @@ declare -A secondary_urls=(
   ["rocksdb"]="https://github.com/facebook/rocksdb.git"
   ["mgclient"]="https://github.com/memgraph/mgclient.git"
   ["pymgclient"]="https://github.com/memgraph/pymgclient.git"
-  ["mgconsole"]="http://github.com/memgraph/mgconsole.git"
+  ["mgconsole"]="https://github.com/memgraph/mgconsole.git"
   ["spdlog"]="https://github.com/gabime/spdlog"
   ["nlohmann"]="https://raw.githubusercontent.com/nlohmann/json/4f8fba14066156b73f1189a2b8bd568bde5284c5/single_include/nlohmann/json.hpp"
   ["neo4j"]="https://dist.neo4j.org/neo4j-community-5.6.0-unix.tar.gz"
@@ -149,6 +150,7 @@ declare -A secondary_urls=(
   ["pulsar"]="https://github.com/apache/pulsar.git"
   ["librdtsc"]="https://github.com/gabrieleara/librdtsc.git"
   ["ctre"]="https://raw.githubusercontent.com/hanickadot/compile-time-regular-expressions/v3.7.2/single-header/ctre.hpp"
+  ["absl"]="https://github.com/abseil/abseil-cpp.git"
 )
 
 # antlr
@@ -210,7 +212,7 @@ pymgclient_tag="4f85c179e56302d46a1e3e2cf43509db65f062b3" # (2021-01-15)
 repo_clone_try_double "${primary_urls[pymgclient]}" "${secondary_urls[pymgclient]}" "pymgclient" "$pymgclient_tag"
 
 # mgconsole
-mgconsole_tag="v1.3.0" # (2022-11-20)
+mgconsole_tag="v1.4.0" # (2023-05-21)
 repo_clone_try_double "${primary_urls[mgconsole]}" "${secondary_urls[mgconsole]}" "mgconsole" "$mgconsole_tag" true
 
 spdlog_tag="v1.9.2" # (2021-08-12)
@@ -246,3 +248,7 @@ mkdir -p ctre
 cd ctre
 file_get_try_double "${primary_urls[ctre]}" "${secondary_urls[ctre]}"
 cd ..
+
+# abseil 20230125.3
+absl_ref="20230125.3"
+repo_clone_try_double "${primary_urls[absl]}" "${secondary_urls[absl]}" "absl" "$absl_ref"

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:            2027-20-07
+CHANGE DATE:            2027-02-08
 CHANGE LICENSE:         Apache License, Version 2.0
 
 For information about alternative licensing arrangements, please visit: https://memgraph.com/legal.

licenses/third-party/abseil-cpp/LICENSE

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        https://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

licenses/third-party/compile-time-regular-expressions/LICENSE

@@ -0,0 +1,218 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+    1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+    2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
+      publicly display, publicly perform, sublicense, and distribute the
+      Work and such Derivative Works in Source or Object form.
+
+    3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+    4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+    5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+    6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+    7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+    8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+    9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+    END OF TERMS AND CONDITIONS
+
+    APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+    Copyright [yyyy] [name of copyright owner]
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+
+--- LLVM Exceptions to the Apache 2.0 License ----
+
+As an exception, if, as a result of your compiling your source code, portions
+of this Software are embedded into an Object form of such source code, you
+may redistribute such embedded portions in such Object form without complying
+with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
+
+In addition, if you combine or link compiled forms of this Software with
+software that is licensed under the GPLv2 ("Combined Software") and if a
+court of competent jurisdiction determines that the patent provision (Section
+3), the indemnity provision (Section 9) or other Section of the License
+conflicts with the conditions of the GPLv2, you may retroactively and
+prospectively choose to deem waived or otherwise exclude such Section(s) of
+the License, but only in their entirety and only with respect to the Combined
+Software.

query_modules/example.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -18,7 +18,11 @@ void ProcImpl(std::vector<mgp::Value> arguments, mgp::Graph graph, mgp::RecordFa
 
 void SampleReadProc(mgp_list *args, mgp_graph *memgraph_graph, mgp_result *result, mgp_memory *memory) {
   try {
-    mgp::memory = memory;
+    // The outcommented way of assigning the memory pointer is still
+    // working, but it is deprecated because of certain concurrency
+    // issues. Please use the guard instead.
+    // mgp::memory = memory;
+    mgp::MemoryDispatcherGuard guard(memory);
 
     std::vector<mgp::Value> arguments;
     for (size_t i = 0; i < mgp::list_size(args); i++) {
@@ -34,7 +38,11 @@ void SampleReadProc(mgp_list *args, mgp_graph *memgraph_graph, mgp_result *resul
 }
 
 void AddXNodes(mgp_list *args, mgp_graph *memgraph_graph, mgp_result *result, mgp_memory *memory) {
-  mgp::memory = memory;
+  // The outcommented way of assigning the memory pointer is still
+  // working, but it is deprecated because of certain concurrency
+  // issues. Please use the guard instead.
+  // mgp::memory = memory;
+  mgp::MemoryDispatcherGuard guard(memory);
   auto graph = mgp::Graph(memgraph_graph);
 
   std::vector<mgp::Value> arguments;
@@ -49,7 +57,11 @@ void AddXNodes(mgp_list *args, mgp_graph *memgraph_graph, mgp_result *result, mg
 }
 
 void Multiply(mgp_list *args, mgp_func_context *ctx, mgp_func_result *res, mgp_memory *memory) {
-  mgp::memory = memory;
+  // The outcommented way of assigning the memory pointer is still
+  // working, but it is deprecated because of certain concurrency
+  // issues. Please use the guard instead.
+  // mgp::memory = memory;
+  mgp::MemoryDispatcherGuard guard(memory);
 
   std::vector<mgp::Value> arguments;
   for (size_t i = 0; i < mgp::list_size(args); i++) {
@@ -67,7 +79,11 @@ void Multiply(mgp_list *args, mgp_func_context *ctx, mgp_func_result *res, mgp_m
 
 extern "C" int mgp_init_module(struct mgp_module *module, struct mgp_memory *memory) {
   try {
-    mgp::memory = memory;
+    // The outcommented way of assigning the memory pointer is still
+    // working, but it is deprecated because of certain concurrency
+    // issues. Please use the guard instead.
+    // mgp::memory = memory;
+    mgp::MemoryDispatcherGuard guard(memory);
 
     AddProcedure(SampleReadProc, "return_true", mgp::ProcedureType::Read,
                  {mgp::Parameter("param_1", mgp::Type::Int), mgp::Parameter("param_2", mgp::Type::Double, 2.3)},
@@ -77,7 +93,11 @@ extern "C" int mgp_init_module(struct mgp_module *module, struct mgp_memory *mem
   }
 
   try {
-    mgp::memory = memory;
+    // The outcommented way of assigning the memory pointer is still
+    // working, but it is deprecated because of certain concurrency
+    // issues. Please use the guard instead.
+    // mgp::memory = memory;
+    mgp::MemoryDispatcherGuard guard(memory);
 
     mgp::AddProcedure(AddXNodes, "add_x_nodes", mgp::ProcedureType::Write, {mgp::Parameter("param_1", mgp::Type::Int)},
                       {}, module, memory);
@@ -87,7 +107,11 @@ extern "C" int mgp_init_module(struct mgp_module *module, struct mgp_memory *mem
   }
 
   try {
-    mgp::memory = memory;
+    // The outcommented way of assigning the memory pointer is still
+    // working, but it is deprecated because of certain concurrency
+    // issues. Please use the guard instead.
+    // mgp::memory = memory;
+    mgp::MemoryDispatcherGuard guard(memory);
 
     mgp::AddFunction(Multiply, "multiply",
                      {mgp::Parameter("int", mgp::Type::Int), mgp::Parameter("int", mgp::Type::Int, (int64_t)3)}, module,

release/CMakeLists.txt

@@ -14,7 +14,7 @@ set(CPACK_PACKAGE_VENDOR "Memgraph Ltd.")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY
     "High performance, in-memory, transactional graph database")
 
-# Setting arhitecture extension for deb packages
+# Setting architecture extension for deb packages
 set(MG_ARCH_EXTENSION_DEB "all")
 
 if(${MG_ARCH} STREQUAL "x86_64")
@@ -50,7 +50,7 @@ set(CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}
 # We also depend on `python3` because we embed it in Memgraph.
 set(CPACK_DEBIAN_PACKAGE_DEPENDS "openssl (>= 1.1.0), python3 (>= 3.5.0)")
 
-# Setting arhitecture extension for rpm packages
+# Setting architecture extension for rpm packages
 set(MG_ARCH_EXTENSION_RPM "noarch")
 
 if(${MG_ARCH} STREQUAL "x86_64")

release/package/amzn-2/Dockerfile

@@ -9,6 +9,7 @@ RUN yum -y update \
 
 RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-amzn-2-x86_64.tar.gz \
     -O ${TOOLCHAIN_VERSION}-binaries-amzn-2-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-amzn-2-x86_64.tar.gz -C /opt
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-amzn-2-x86_64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-amzn-2-x86_64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/centos-7/Dockerfile

@@ -9,6 +9,7 @@ RUN yum -y update \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-centos-7-x86_64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/centos-9/Dockerfile

@@ -9,6 +9,7 @@ RUN yum -y update \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-centos-9-x86_64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/debian-10/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-debian-10-amd64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11-arm/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-debian-11-arm64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/debian-11/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-debian-11-amd64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/fedora-36/Dockerfile

@@ -10,6 +10,7 @@ RUN yum -y update \
 
 RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-fedora-36-x86_64.tar.gz \
     -O ${TOOLCHAIN_VERSION}-binaries-fedora-36-x86_64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-fedora-36-x86_64.tar.gz -C /opt
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-fedora-36-x86_64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-fedora-36-x86_64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/run.sh

@@ -159,6 +159,19 @@ case "$1" in
         fi
     ;;
 
+    build)
+      shift 1
+      if [[ "$#" -ne 2 ]]; then
+          print_help
+      fi
+      # in the vX format, e.g. v5
+      toolchain_version="$1"
+      # a name of the os folder, e.g. ubuntu-22.04-arm
+      os="$2"
+      cd "$SCRIPT_DIR/$os"
+      docker build -f Dockerfile --build-arg TOOLCHAIN_VERSION="toolchain-$toolchain_version" -t "memgraph/memgraph-builder:${toolchain_version}_$os" .
+    ;;
+
     test)
         echo "TODO(gitbuda): Test all packages on mgtest containers."
     ;;

release/package/ubuntu-18.04/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-ubuntu-18.04-amd64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-20.04/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-ubuntu-20.04-amd64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-22.04-arm/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 RUN wget -q https://s3-eu-west-1.amazonaws.com/deps.memgraph.io/${TOOLCHAIN_VERSION}/${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-arm64.tar.gz \
     -O ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-arm64.tar.gz \
-    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-arm64.tar.gz -C /opt
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-arm64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-arm64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

release/package/ubuntu-22.04/Dockerfile

@@ -12,6 +12,7 @@ RUN apt update && apt install -y \
 
 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
+    && tar xzvf ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz -C /opt \
+    && rm ${TOOLCHAIN_VERSION}-binaries-ubuntu-22.04-amd64.tar.gz
 
 ENTRYPOINT ["sleep", "infinity"]

src/CMakeLists.txt

@@ -18,7 +18,6 @@ add_subdirectory(rpc)
 add_subdirectory(license)
 add_subdirectory(auth)
 add_subdirectory(audit)
-add_subdirectory(dbms)
 
 string(TOLOWER ${CMAKE_BUILD_TYPE} lower_build_type)
 
@@ -32,15 +31,19 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 # ----------------------------------------------------------------------------
 set(mg_single_node_v2_sources
         memgraph.cpp
+        flags/isolation_level.cpp
+        flags/memory_limit.cpp
+        flags/log_level.cpp
+        flags/general.cpp
+        flags/audit.cpp
+        flags/bolt.cpp
 )
 
-set(mg_single_node_v2_libs stdc++fs Threads::Threads
-        mg-telemetry mg-query mg-communication mg-memory mg-utils mg-auth mg-license mg-settings mg-glue mg-audit)
-
 # memgraph main executable
 add_executable(memgraph ${mg_single_node_v2_sources})
 target_include_directories(memgraph PUBLIC ${CMAKE_SOURCE_DIR}/include)
-target_link_libraries(memgraph ${mg_single_node_v2_libs})
+target_link_libraries(memgraph stdc++fs Threads::Threads
+        mg-telemetry mg-communication mg-memory mg-utils mg-license mg-settings mg-glue)
 
 # NOTE: `include/mg_procedure.syms` describes a pattern match for symbols which
 # should be dynamically exported, so that `dlopen` can correctly link the

src/auth/auth.cpp

@@ -318,7 +318,7 @@ std::vector<auth::User> Auth::AllUsersForRole(const std::string &rolename_orig)
 bool Auth::GrantDatabaseToUser(const std::string &db, const std::string &name) {
   auto user = GetUser(name);
   if (user) {
-    if (db == "*") {
+    if (db == kAllDatabases) {
       user->db_access().GrantAll();
     } else {
       user->db_access().Add(db);
@@ -332,7 +332,7 @@ bool Auth::GrantDatabaseToUser(const std::string &db, const std::string &name) {
 bool Auth::RevokeDatabaseFromUser(const std::string &db, const std::string &name) {
   auto user = GetUser(name);
   if (user) {
-    if (db == "*") {
+    if (db == kAllDatabases) {
       user->db_access().DenyAll();
     } else {
       user->db_access().Remove(db);
@@ -346,10 +346,10 @@ bool Auth::RevokeDatabaseFromUser(const std::string &db, const std::string &name
 void Auth::DeleteDatabase(const std::string &db) {
   for (auto it = storage_.begin(kUserPrefix); it != storage_.end(kUserPrefix); ++it) {
     auto username = it->first.substr(kUserPrefix.size());
-    if (username != utils::ToLowerCase(username)) continue;
     auto user = GetUser(username);
     if (user) {
       user->db_access().Delete(db);
+      SaveUser(*user);
     }
   }
 }

src/auth/auth.hpp

@@ -19,6 +19,9 @@
 #include "utils/settings.hpp"
 
 namespace memgraph::auth {
+
+static const constexpr char *const kAllDatabases = "*";
+
 /**
  * This class serves as the main Authentication/Authorization storage.
  * It provides functions for managing Users, Roles, Permissions and FineGrainedAccessPermissions.

src/auth/models.cpp

@@ -463,10 +463,11 @@ Role Role::Deserialize(const nlohmann::json &data) {
   auto permissions = Permissions::Deserialize(data["permissions"]);
 #ifdef MG_ENTERPRISE
   if (memgraph::license::global_license_checker.IsEnterpriseValidFast()) {
-    if (!data["fine_grained_access_handler"].is_object()) {
-      throw AuthException("Couldn't load user data!");
+    FineGrainedAccessHandler fine_grained_access_handler;
+    // We can have an empty fine_grained if the user was created without a valid license
+    if (data["fine_grained_access_handler"].is_object()) {
+      fine_grained_access_handler = FineGrainedAccessHandler::Deserialize(data["fine_grained_access_handler"]);
     }
-    auto fine_grained_access_handler = FineGrainedAccessHandler::Deserialize(data["fine_grained_access_handler"]);
     return {data["rolename"], permissions, std::move(fine_grained_access_handler)};
   }
 #endif
@@ -503,6 +504,10 @@ void Databases::Delete(const std::string &db) {
   if (!allow_all_) {
     grants_dbs_.erase(db);
   }
+  // Reset if default deleted
+  if (default_db_ == db) {
+    default_db_ = "";
+  }
 }
 
 void Databases::GrantAll() {
@@ -697,11 +702,12 @@ User User::Deserialize(const nlohmann::json &data) {
       db_access.Add(dbms::kDefaultDB);
       db_access.SetDefault(dbms::kDefaultDB);
     }
-    if (!data["fine_grained_access_handler"].is_object()) {
-      throw AuthException("Couldn't load user data!");
+    FineGrainedAccessHandler fine_grained_access_handler;
+    // We can have an empty fine_grained if the user was created without a valid license
+    if (data["fine_grained_access_handler"].is_object()) {
+      fine_grained_access_handler = FineGrainedAccessHandler::Deserialize(data["fine_grained_access_handler"]);
     }
-    auto fine_grained_access_handler = FineGrainedAccessHandler::Deserialize(data["fine_grained_access_handler"]);
-    return {data["username"], data["password_hash"], permissions, fine_grained_access_handler, db_access};
+    return {data["username"], data["password_hash"], permissions, std::move(fine_grained_access_handler), db_access};
   }
 #endif
   return {data["username"], data["password_hash"], permissions};

src/auth/models.hpp

@@ -245,7 +245,7 @@ bool operator==(const Role &first, const Role &second);
 #ifdef MG_ENTERPRISE
 class Databases final {
  public:
-  Databases() : allow_all_(true), default_db_(dbms::kDefaultDB) {}
+  Databases() : grants_dbs_({dbms::kDefaultDB}), allow_all_(false), default_db_(dbms::kDefaultDB) {}
 
   Databases(const Databases &) = default;
   Databases &operator=(const Databases &) = default;

src/communication/CMakeLists.txt

@@ -22,3 +22,4 @@ target_link_libraries(mg-communication Boost::headers Threads::Threads mg-utils
 find_package(OpenSSL REQUIRED)
 target_link_libraries(mg-communication ${OPENSSL_LIBRARIES})
 target_include_directories(mg-communication SYSTEM PUBLIC ${OPENSSL_INCLUDE_DIR})
+target_precompile_headers(mg-communication INTERFACE http/server.hpp <boost/beast/websocket.hpp> bolt/v1/session.hpp)

src/communication/bolt/v1/codes.hpp

@@ -19,7 +19,7 @@ inline constexpr uint8_t kPreamble[4] = {0x60, 0x60, 0xB0, 0x17};
 
 enum class Signature : uint8_t {
   Noop = 0x00,
-  Init = 0x01,
+  Init = 0x01,  // v3+ now HELLO
   LogOn = 0x6A,
   LogOff = 0x6B,
   AckFailure = 0x0E,  // only v1

src/communication/bolt/v1/session.hpp

@@ -54,12 +54,7 @@ class SessionException : public utils::BasicException {
  * @tparam TOutputStream type of output stream that will be used
  */
 template <typename TInputStream, typename TOutputStream>
-#ifdef MG_ENTERPRISE
-class Session : public dbms::SessionInterface
-#else
-class Session
-#endif
-{
+class Session : public dbms::SessionInterface {
  public:
   using TEncoder = Encoder<ChunkedEncoderBuffer<TOutputStream>>;
 
@@ -87,7 +82,7 @@ class Session
    */
   virtual std::pair<std::vector<std::string>, std::optional<int>> Interpret(
       const std::string &query, const std::map<std::string, Value> &params,
-      const std::map<std::string, memgraph::communication::bolt::Value> &metadata) = 0;
+      const std::map<std::string, memgraph::communication::bolt::Value> &extra) = 0;
 
   virtual void Configure(const std::map<std::string, memgraph::communication::bolt::Value> &run_time_info) = 0;
 
@@ -205,10 +200,8 @@ class Session
 
   Version version_;
 
-  virtual std::string GetID() const = 0;
-  std::string UUID() const { return session_uuid_; }
-
-  // virtual dbms::SetForResult SwitchDB(const std::string &db_name) = 0;
+  std::string GetDatabaseName() const override = 0;
+  std::string UUID() const final { return session_uuid_; }
 
  private:
   void ClientFailureInvalidData() {

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

@@ -152,6 +152,7 @@ State StateExecutingRun(TSession &session, State state) {
       return RunHandlerV4<TSession>(signature, session, state, marker);
     }
     case 5:
+      memgraph::metrics::IncrementCounter(memgraph::metrics::BoltMessages);
       return RunHandlerV5<TSession>(signature, session, state, marker);
     default:
       spdlog::trace("Unsupported bolt version:{}.{})!", session.version_.major, session.version_.minor);

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

@@ -74,23 +74,6 @@ inline std::pair<std::string, std::string> ExceptionToErrorMessage(const std::ex
           "should be in database logs."};
 }
 
-namespace helpers {
-
-/** Extracts metadata from the extras field.
- * NOTE: In order to avoid a copy, the metadata in moved.
- * TODO: Update if extra field is used for anything else.
- */
-inline std::map<std::string, Value> ConsumeMetadata(Value &extra) {
-  std::map<std::string, Value> md;
-  auto &md_tv = extra.ValueMap()["tx_metadata"];
-  if (md_tv.IsMap()) {
-    md = std::move(md_tv.ValueMap());
-  }
-  return md;
-}
-
-}  // namespace helpers
-
 namespace details {
 
 template <bool is_pull, typename TSession>
@@ -225,11 +208,7 @@ State HandleRunV1(TSession &session, const State state, const Marker marker) {
 
   DMG_ASSERT(!session.encoder_buffer_.HasData(), "There should be no data to write in this state");
 
-#ifdef MG_ENTERPRISE
-  spdlog::debug("[Run - {}] '{}'", session.GetID(), query.ValueString());
-#else
-  spdlog::debug("[Run] '{}'", query.ValueString());
-#endif
+  spdlog::debug("[Run - {}] '{}'", session.GetDatabaseName(), query.ValueString());
 
   try {
     // Interpret can throw.
@@ -293,16 +272,11 @@ State HandleRunV4(TSession &session, const State state, const Marker marker) {
     return HandleFailure(session, e);
   }
 
-#ifdef MG_ENTERPRISE
-  spdlog::debug("[Run - {}] '{}'", session.GetID(), query.ValueString());
-#else
-  spdlog::debug("[Run] '{}'", query.ValueString());
-#endif
+  spdlog::debug("[Run - {}] '{}'", session.GetDatabaseName(), query.ValueString());
 
   try {
     // Interpret can throw.
-    const auto [header, qid] =
-        session.Interpret(query.ValueString(), params.ValueMap(), helpers::ConsumeMetadata(extra));
+    const auto [header, qid] = session.Interpret(query.ValueString(), params.ValueMap(), extra.ValueMap());
     // Convert std::string to Value
     std::vector<Value> vec;
     std::map<std::string, Value> data;
@@ -414,7 +388,8 @@ State HandleBegin(TSession &session, const State state, const Marker marker) {
   }
 
   try {
-    session.BeginTransaction(helpers::ConsumeMetadata(extra));
+    session.Configure(extra.ValueMap());
+    session.BeginTransaction(extra.ValueMap());
   } catch (const std::exception &e) {
     return HandleFailure(session, e);
   }

src/communication/bolt/v1/value.hpp

@@ -112,7 +112,7 @@ struct Path {
     for (uint i = 0; i < edges.size(); i++) {
       const auto &e = edges[i];
       const auto &v = vertices[i + 1];
-      UnboundedEdge unbounded_edge{e.id, e.type, e.properties};
+      UnboundedEdge unbounded_edge{e.id, e.type, e.properties, e.element_id};
       add_element(this->edges, unbounded_edge, e.to == v.id ? 1 : -1, 1);
       add_element(this->vertices, v, 1, 0);
     }

src/communication/buffer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -43,6 +43,7 @@ class Buffer final {
   Buffer(Buffer &&) = delete;
   Buffer &operator=(const Buffer &) = delete;
   Buffer &operator=(Buffer &&) = delete;
+  ~Buffer() = default;
 
   /**
    * This class provides all functions from the buffer that are needed to allow
@@ -50,12 +51,13 @@ class Buffer final {
    */
   class ReadEnd {
    public:
-    ReadEnd(Buffer *buffer);
+    explicit ReadEnd(Buffer *buffer);
 
     ReadEnd(const ReadEnd &) = delete;
     ReadEnd(ReadEnd &&) = delete;
     ReadEnd &operator=(const ReadEnd &) = delete;
     ReadEnd &operator=(ReadEnd &&) = delete;
+    ~ReadEnd() = default;
 
     uint8_t *data();
 
@@ -77,12 +79,13 @@ class Buffer final {
    */
   class WriteEnd {
    public:
-    WriteEnd(Buffer *buffer);
+    explicit WriteEnd(Buffer *buffer);
 
     WriteEnd(const WriteEnd &) = delete;
     WriteEnd(WriteEnd &&) = delete;
     WriteEnd &operator=(const WriteEnd &) = delete;
     WriteEnd &operator=(WriteEnd &&) = delete;
+    ~WriteEnd() = default;
 
     io::network::StreamBuffer Allocate();
 

src/communication/http/server.hpp

@@ -26,10 +26,7 @@ class Server final {
   using tcp = boost::asio::ip::tcp;
 
  public:
-  explicit Server(io::network::Endpoint endpoint, TSessionContext *session_context, ServerContext *context)
-      : listener_{Listener<TRequestHandler, TSessionContext>::Create(
-            ioc_, session_context, context,
-            tcp::endpoint{boost::asio::ip::make_address(endpoint.address), endpoint.port})} {}
+  explicit Server(io::network::Endpoint endpoint, TSessionContext *session_context, ServerContext *context);
 
   Server(const Server &) = delete;
   Server(Server &&) = delete;
@@ -41,11 +38,7 @@ class Server final {
               "Server wasn't shutdown properly");
   }
 
-  void Start() {
-    MG_ASSERT(!background_thread_, "The server was already started!");
-    listener_->Run();
-    background_thread_.emplace([this] { ioc_.run(); });
-  }
+  void Start();
 
   void Shutdown() { ioc_.stop(); }
 
@@ -55,7 +48,7 @@ class Server final {
     }
   }
   bool IsRunning() const { return background_thread_ && !ioc_.stopped(); }
-  tcp::endpoint GetEndpoint() const { return listener_->GetEndpoint(); }
+  tcp::endpoint GetEndpoint() const;
 
  private:
   boost::asio::io_context ioc_;
@@ -63,4 +56,22 @@ class Server final {
   std::shared_ptr<Listener<TRequestHandler, TSessionContext>> listener_;
   std::optional<std::thread> background_thread_;
 };
+template <class TRequestHandler, typename TSessionContext>
+Server<TRequestHandler, TSessionContext>::Server(io::network::Endpoint endpoint, TSessionContext *session_context,
+                                                 ServerContext *context)
+    : listener_{Listener<TRequestHandler, TSessionContext>::Create(
+          ioc_, session_context, context,
+          tcp::endpoint{boost::asio::ip::make_address(endpoint.address), endpoint.port})} {}
+
+template <class TRequestHandler, typename TSessionContext>
+void Server<TRequestHandler, TSessionContext>::Start() {
+  MG_ASSERT(!background_thread_, "The server was already started!");
+  listener_->Run();
+  background_thread_.emplace([this] { ioc_.run(); });
+}
+
+template <class TRequestHandler, typename TSessionContext>
+boost::asio::ip::tcp::endpoint Server<TRequestHandler, TSessionContext>::GetEndpoint() const {
+  return listener_->GetEndpoint();
+}
 }  // namespace memgraph::communication::http

src/communication/server.hpp

@@ -58,11 +58,11 @@ class Server final {
    * Constructs and binds server to endpoint, operates on session data and
    * invokes workers_count workers
    */
-  Server(const io::network::Endpoint &endpoint, TSessionContext *session_context, ServerContext *context,
+  Server(io::network::Endpoint endpoint, TSessionContext *session_context, ServerContext *context,
          int inactivity_timeout_sec, const std::string &service_name,
          size_t workers_count = std::thread::hardware_concurrency())
       : alive_(false),
-        endpoint_(endpoint),
+        endpoint_(std::move(endpoint)),
         listener_(session_context, context, inactivity_timeout_sec, service_name, workers_count),
         service_name_(service_name) {}
 

src/communication/v2/server.hpp

@@ -73,40 +73,19 @@ class Server final {
    * invokes workers_count workers
    */
   Server(ServerEndpoint &endpoint, TSessionContext *session_context, 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, TSessionContext>::Create(context_thread_pool_.GetIOContext(), session_context,
-                                                              server_context, endpoint_, service_name_,
-                                                              inactivity_timeout_sec)} {}
+         int inactivity_timeout_sec, std::string_view service_name,
+         size_t workers_count = std::thread::hardware_concurrency());
 
-  ~Server() { MG_ASSERT(!IsRunning(), "Server wasn't shutdown properly"); }
+  ~Server();
 
   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_;
-  }
+  const auto &Endpoint() const;
 
-  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;
-  }
+  bool Start();
 
   void Shutdown() {
     context_thread_pool_.Shutdown();
@@ -115,7 +94,7 @@ class Server final {
 
   void AwaitShutdown() { context_thread_pool_.AwaitShutdown(); }
 
-  bool IsRunning() const noexcept { return context_thread_pool_.IsRunning() && listener_->IsRunning(); }
+  bool IsRunning() const noexcept;
 
  private:
   ServerEndpoint endpoint_;
@@ -125,4 +104,46 @@ class Server final {
   std::shared_ptr<Listener<TSession, TSessionContext>> listener_;
 };
 
+template <typename TSession, typename TSessionContext>
+Server<TSession, TSessionContext>::~Server() {
+  MG_ASSERT(!IsRunning(), "Server wasn't shutdown properly");
+}
+
+template <typename TSession, typename TSessionContext>
+Server<TSession, TSessionContext>::Server(ServerEndpoint &endpoint, TSessionContext *session_context,
+                                          ServerContext *server_context, const int inactivity_timeout_sec,
+                                          const std::string_view service_name, size_t workers_count)
+    : endpoint_{endpoint},
+      service_name_{service_name},
+      context_thread_pool_{workers_count},
+      listener_{Listener<TSession, TSessionContext>::Create(context_thread_pool_.GetIOContext(), session_context,
+                                                            server_context, endpoint_, service_name_,
+                                                            inactivity_timeout_sec)} {}
+
+template <typename TSession, typename TSessionContext>
+bool Server<TSession, TSessionContext>::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;
+}
+
+template <typename TSession, typename TSessionContext>
+const auto &Server<TSession, TSessionContext>::Endpoint() const {
+  MG_ASSERT(IsRunning(), "You can't get the server endpoint when it's not running!");
+  return endpoint_;
+}
+
+template <typename TSession, typename TSessionContext>
+bool Server<TSession, TSessionContext>::IsRunning() const noexcept {
+  return context_thread_pool_.IsRunning() && listener_->IsRunning();
+}
+
 }  // namespace memgraph::communication::v2

src/communication/v2/session.hpp

@@ -112,12 +112,14 @@ class WebsocketSession : public std::enable_shared_from_this<WebsocketSession<TS
 
 #ifdef MG_ENTERPRISE
   ~WebsocketSession() { session_context_->Delete(session_); }
+#else
+  ~WebsocketSession() = default;
+#endif
 
   WebsocketSession(const WebsocketSession &) = delete;
   WebsocketSession &operator=(const WebsocketSession &) = delete;
   WebsocketSession(WebsocketSession &&) noexcept = delete;
   WebsocketSession &operator=(WebsocketSession &&) noexcept = delete;
-#endif
 
   // Start the asynchronous accept operation
   template <class Body, class Allocator>
@@ -286,12 +288,14 @@ class Session final : public std::enable_shared_from_this<Session<TSession, TSes
 
 #ifdef MG_ENTERPRISE
   ~Session() { session_context_->Delete(session_); }
+#else
+  ~Session() = default;
+#endif
 
   Session(const Session &) = delete;
   Session(Session &&) = delete;
   Session &operator=(const Session &) = delete;
   Session &operator=(Session &&) = delete;
-#endif
 
   bool Start() {
     if (execution_active_) {
@@ -370,6 +374,7 @@ class Session final : public std::enable_shared_from_this<Session<TSession, TSes
         timeout_seconds_(inactivity_timeout_sec),
         timeout_timer_(GetExecutor()) {
 #ifdef MG_ENTERPRISE
+    // TODO Try to remove Register (see comment at SessionInterface declaration)
     session_context_->Register(session_);
 #endif
     ExecuteForSocket([](auto &&socket) {

src/data_structures/ring_buffer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -31,7 +31,7 @@
 template <typename TElement>
 class RingBuffer {
  public:
-  explicit RingBuffer(int capacity) : capacity_(capacity) { buffer_ = std::make_unique<TElement[]>(capacity_); }
+  explicit RingBuffer(int capacity) : capacity_(capacity), buffer_{std::make_unique<TElement[]>(capacity_)} {}
 
   RingBuffer(const RingBuffer &) = delete;
   RingBuffer(RingBuffer &&) = delete;

src/dbms/CMakeLists.txt

@@ -1,3 +0,0 @@
-add_library(mg-dbms INTERFACE)
-target_include_directories(mg-dbms INTERFACE .)
-# target_link_libraries(mg-dbms INTERFACE mg-glue)

src/dbms/auth_handler.hpp

@@ -1,66 +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
-
-#if 0 /* Disabled for now; we moved back to a single auth source */
-
-#include <filesystem>
-#include <memory>
-#include <optional>
-#include <unordered_map>
-
-#include "auth/auth.hpp"
-#include "global.hpp"
-#include "glue/auth_checker.hpp"
-#include "glue/auth_handler.hpp"
-#include "utils/result.hpp"
-#include "utils/rw_lock.hpp"
-#include "utils/sync_ptr.hpp"
-
-#include "handler.hpp"
-
-namespace memgraph::dbms {
-
-struct AuthContext {
-  explicit AuthContext(const std::filesystem::path &data_directory, const std::string &ah_flag = "")
-      : auth(data_directory / "auth"), auth_handler(&auth, ah_flag), auth_checker(&auth) {}
-
-  utils::Synchronized<auth::Auth, utils::WritePrioritizedRWLock> auth;
-  glue::AuthQueryHandler auth_handler;
-  glue::AuthChecker auth_checker;
-};
-
-struct AuthConfig {
-  std::filesystem::path storage_dir;
-  std::string ah_flag;
-};
-
-class AuthContextHandler : public Handler<AuthContext, AuthConfig> {
- public:
-  using HandlerT = Handler<AuthContext, AuthConfig>;
-
-  typename HandlerT::NewResult New(const std::string &name, const std::filesystem::path &data_directory,
-                                   const std::string &ah_flag = "") {
-    // Check if compatible with the existing auth
-    if (std::any_of(cbegin(), cend(),
-                    [&](const auto &elem) { return elem.second.config().storage_dir == data_directory; })) {
-      // LOG
-      return NewError::EXISTS;
-    }
-    return HandlerT::New(name, std::forward_as_tuple(data_directory, ah_flag),
-                         std::forward_as_tuple(data_directory, ah_flag));
-  }
-};
-
-}  // namespace memgraph::dbms
-
-#endif

src/dbms/global.hpp

@@ -40,22 +40,12 @@ enum class SetForResult : uint8_t {
   FAIL,
 };
 
-/**
- * UnknownUser Exception
- *
- * Used to indicate that an unknown user was used.
- */
-class UnknownUser : public utils::BasicException {
- public:
-  using utils::BasicException::BasicException;
-};
-
 /**
  * UnknownSession Exception
  *
  * Used to indicate that an unknown session was used.
  */
-class UnknownSession : public utils::BasicException {
+class UnknownSessionException : public utils::BasicException {
  public:
   using utils::BasicException::BasicException;
 };
@@ -65,14 +55,16 @@ class UnknownSession : public utils::BasicException {
  *
  * Used to indicate that an unknown database was used.
  */
-class UnknownDatabase : public utils::BasicException {
+class UnknownDatabaseException : public utils::BasicException {
  public:
   using utils::BasicException::BasicException;
 };
 
-#ifdef MG_ENTERPRISE
 /**
  * @brief Session interface used by the DBMS to handle the the active sessions.
+ * @todo Try to remove this dependency from SessionContextHandler. OnDelete could be removed, as it only does an assert.
+ * OnChange could be removed if SetFor returned the pointer and the called then handled the OnChange execution.
+ * However, the interface is very useful to  decouple the interpreter's query execution and the sessions themselves.
  */
 class SessionInterface {
  public:
@@ -96,22 +88,23 @@ class SessionInterface {
    *
    * @return std::string
    */
-  virtual std::string GetID() const = 0;
+  virtual std::string GetDatabaseName() const = 0;
 
+#ifdef MG_ENTERPRISE
   /**
    * @brief Gets called on database change.
    *
-   * @return true on success
+   * @return SetForResult enum (SUCCESS, ALREADY_SET or FAIL)
    */
   virtual dbms::SetForResult OnChange(const std::string &) = 0;
 
   /**
-   * @brief Gets called on database delete (drop).
+   * @brief Callback that gets called on database delete (drop).
    *
    * @return true on success
    */
   virtual bool OnDelete(const std::string &) = 0;
-};
 #endif
+};
 
 }  // namespace memgraph::dbms

src/dbms/handler.hpp

@@ -107,6 +107,8 @@ class Handler {
 
   auto begin() { return items_.begin(); }
   auto end() { return items_.end(); }
+  auto begin() const { return items_.begin(); }
+  auto end() const { return items_.end(); }
   auto cbegin() const { return items_.cbegin(); }
   auto cend() const { return items_.cend(); }
 

src/dbms/session_context.hpp

@@ -12,7 +12,6 @@
 #pragma once
 
 #include "auth/auth.hpp"
-#include "auth_handler.hpp"
 #include "query/interpreter.hpp"
 #include "storage/v2/storage.hpp"
 #include "utils/synchronized.hpp"
@@ -32,7 +31,6 @@ struct SessionContext {
   // supplied.
 
   SessionContext(std::shared_ptr<memgraph::query::InterpreterContext> interpreter_context, std::string run,
-                 //  std::shared_ptr<AuthContext> auth_context
                  memgraph::utils::Synchronized<memgraph::auth::Auth, memgraph::utils::WritePrioritizedRWLock> *auth
 #ifdef MG_ENTERPRISE
                  ,
@@ -41,8 +39,6 @@ struct SessionContext {
                  )
       : interpreter_context(interpreter_context),
         run_id(run),
-        // auth_context(auth_context),
-        // auth(&auth_context->auth)
         auth(auth)
 #ifdef MG_ENTERPRISE
         ,

src/dbms/session_context_handler.hpp

@@ -56,20 +56,23 @@ class SessionContextHandler {
  public:
   using StorageT = storage::Storage;
   using StorageConfigT = storage::Config;
-  // using InterpT = decltype(interp_handler_)::ExpandedInterpContext;
-  // using InterpConfigT = query::InterpreterConfig;
   using LockT = utils::RWLock;
   using NewResultT = utils::BasicResult<NewError, SessionContext>;
 
   struct Config {
     StorageConfigT storage_config;           //!< Storage configuration
     query::InterpreterConfig interp_config;  //!< Interpreter context configuration
-    // std::string ah_flags;                    //!< glue::AuthHandler setup flags
     std::function<void(utils::Synchronized<auth::Auth, utils::WritePrioritizedRWLock> *,
                        std::unique_ptr<query::AuthQueryHandler> &, std::unique_ptr<query::AuthChecker> &)>
         glue_auth;
   };
 
+  struct Statistics {
+    uint64_t num_vertex;     //!< Sum of vertexes in every database
+    uint64_t num_edges;      //!< Sum of edges in every database
+    uint64_t num_databases;  //! number of isolated databases
+  };
+
   /**
    * @brief Initialize the handler.
    *
@@ -183,7 +186,7 @@ class SessionContextHandler {
    *
    * @param name
    * @return SessionContext
-   * @throw UnknownDatabase if getting unknown database
+   * @throw UnknownDatabaseException if getting unknown database
    */
   SessionContext Get(const std::string &name) {
     std::shared_lock<LockT> rd(lock_);
@@ -196,7 +199,7 @@ class SessionContextHandler {
    * @param uuid unique session identifier
    * @param db_name unique database name
    * @return SetForResult enum
-   * @throws UnknownDatabase, UnknownSession or anything OnChange throws
+   * @throws UnknownDatabaseException, UnknownSessionException or anything OnChange throws
    */
   SetForResult SetFor(const std::string &uuid, const std::string &db_name) {
     std::shared_lock<LockT> rd(lock_);
@@ -206,7 +209,7 @@ class SessionContextHandler {
       auto &s = sessions_.at(uuid);
       return s.OnChange(db_name);
     } catch (std::out_of_range &) {
-      throw UnknownSession("Unknown session \"{}\"", uuid);
+      throw UnknownSessionException("Unknown session \"{}\"", uuid);
     }
   }
 
@@ -277,7 +280,7 @@ class SessionContextHandler {
       if (!sc.interpreter_context->interpreters->empty()) {
         return DeleteError::USING;
       }
-    } catch (UnknownDatabase &) {
+    } catch (UnknownDatabaseException &) {
       return DeleteError::NON_EXISTENT;
     }
 
@@ -356,14 +359,14 @@ class SessionContextHandler {
    *
    * @return uint64_t
    */
-  std::tuple<uint64_t, uint64_t, uint64_t> Info() const {
+  Statistics Info() const {
     // TODO: Handle overflow
     uint64_t nv = 0;
     uint64_t ne = 0;
     std::shared_lock<LockT> rd(lock_);
     const uint64_t ndb = std::distance(interp_handler_.cbegin(), interp_handler_.cend());
-    for (auto ic = interp_handler_.cbegin(); ic != interp_handler_.cend(); ++ic) {
-      const auto &info = ic->second.get()->db->GetInfo();
+    for (const auto &ic : interp_handler_) {
+      const auto &info = ic.second.get()->db->GetInfo();
       nv += info.vertex_count;
       ne += info.edge_count;
     }
@@ -379,7 +382,7 @@ class SessionContextHandler {
    */
   std::string Current(const std::string &uuid) const {
     std::shared_lock<LockT> rd(lock_);
-    return sessions_.at(uuid).GetID();
+    return sessions_.at(uuid).GetDatabaseName();
   }
 
   /**
@@ -540,14 +543,14 @@ class SessionContextHandler {
    *
    * @param name
    * @return SessionContext
-   * @throw UnknownDatabase if trying to get unknown database
+   * @throw UnknownDatabaseException if trying to get unknown database
    */
   SessionContext Get_(const std::string &name) {
     auto interp = interp_handler_.Get(name);
     if (interp) {
       return SessionContext{*interp, run_id_, auth_.get(), audit_log_};
     }
-    throw UnknownDatabase("Tried to retrieve an unknown database \"{}\".", name);
+    throw UnknownDatabaseException("Tried to retrieve an unknown database \"{}\".", name);
   }
 
   // Should storage objects ever be deleted?
@@ -588,6 +591,7 @@ static inline SessionContext Init(storage::Config &storage_config, query::Interp
   MG_ASSERT(auth_handler, "Passed a nullptr auth_handler");
   MG_ASSERT(auth_checker, "Passed a nullptr auth_checker");
 
+  storage_config.name = kDefaultDB;
   auto interp_context = std::make_shared<query::InterpreterContext>(
       storage_config, interp_config, storage_config.durability.storage_directory, auth_handler, auth_checker);
   MG_ASSERT(interp_context, "Failed to construct main interpret context.");

src/dbms/storage_handler.hpp

@@ -1,77 +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.
-
-#if 0
-
-#pragma once
-
-#ifdef MG_ENTERPRISE
-
-#include <algorithm>
-#include <filesystem>
-#include <iterator>
-#include <memory>
-#include <optional>
-#include <string_view>
-#include <unordered_map>
-
-#include "global.hpp"
-#include "storage/v2/storage.hpp"
-#include "utils/result.hpp"
-
-#include "handler.hpp"
-
-namespace memgraph::dbms {
-
-/**
- * @brief Multi-database storage handler
- *
- */
-class StorageHandler : public Handler<storage::Storage, storage::Config> {
- public:
-  using HandlerT = Handler<storage::Storage, storage::Config>;
-
-  /**
-   * @brief Generate new storage associated with the passed name.
-   *
-   * @param name Name associating the new interpreter context
-   * @param config Storage configuration
-   * @return HandlerT::NewResult
-   */
-  HandlerT::NewResult New(const std::string &name, const storage::Config &config) {
-    // Control that no one is using the same data directory
-    if (std::any_of(cbegin(), cend(), [&](const auto &elem) {
-          return elem.second.config().durability.storage_directory == config.durability.storage_directory;
-        })) {
-      spdlog::info("Tried to generate new storage using a claimed directory.");
-      return NewError::EXISTS;
-    }
-    return HandlerT::New(name, std::forward_as_tuple(config), std::forward_as_tuple(config, name));
-  }
-
-  /**
-   * @brief All currently active storage.
-   *
-   * @return std::vector<std::string>
-   */
-  std::vector<std::string> All() const {
-    std::vector<std::string> res;
-    res.reserve(std::distance(cbegin(), cend()));
-    std::for_each(cbegin(), cend(), [&](const auto &elem) { res.push_back(elem.first); });
-    return res;
-  }
-};
-
-}  // namespace memgraph::dbms
-
-#endif
-
-#endif

src/flags/all.hpp

@@ -0,0 +1,18 @@
+// 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 "flags/audit.hpp"
+#include "flags/bolt.hpp"
+#include "flags/general.hpp"
+#include "flags/isolation_level.hpp"
+#include "flags/log_level.hpp"
+#include "flags/memory_limit.hpp"

src/flags/audit.cpp

@@ -0,0 +1,28 @@
+// 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.
+#include "flags/audit.hpp"
+
+#include "audit/log.hpp"
+
+#include "utils/flag_validation.hpp"
+
+// Audit logging flags.
+#ifdef MG_ENTERPRISE
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(audit_enabled, false, "Set to true to enable audit logging.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(audit_buffer_size, memgraph::audit::kBufferSizeDefault,
+                       "Maximum number of items in the audit log buffer.", FLAG_IN_RANGE(1, INT32_MAX));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(audit_buffer_flush_interval_ms, memgraph::audit::kBufferFlushIntervalMillisDefault,
+                       "Interval (in milliseconds) used for flushing the audit log buffer.",
+                       FLAG_IN_RANGE(10, INT32_MAX));
+#endif

src/flags/audit.hpp

@@ -0,0 +1,23 @@
+// 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 "gflags/gflags.h"
+
+// Audit logging flags.
+#ifdef MG_ENTERPRISE
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(audit_enabled);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(audit_buffer_size);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(audit_buffer_flush_interval_ms);
+#endif

src/flags/bolt.cpp

@@ -0,0 +1,38 @@
+// 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.
+#include "flags/bolt.hpp"
+
+#include "utils/flag_validation.hpp"
+
+#include <limits>
+#include <thread>
+
+// Bolt server flags.
+DEFINE_string(bolt_address, "0.0.0.0", "IP address on which the Bolt server should listen.");
+
+DEFINE_VALIDATED_int32(bolt_port, 7687, "Port on which the Bolt server should listen.",
+                       FLAG_IN_RANGE(0, std::numeric_limits<uint16_t>::max()));
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(bolt_num_workers, std::max(std::thread::hardware_concurrency(), 1U),
+                       "Number of workers used by the Bolt server. By default, this will be the "
+                       "number of processing units available on the machine.",
+                       FLAG_IN_RANGE(1, INT32_MAX));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(bolt_session_inactivity_timeout, 1800,
+                       "Time in seconds after which inactive Bolt sessions will be "
+                       "closed.",
+                       FLAG_IN_RANGE(1, INT32_MAX));
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(bolt_cert_file, "", "Certificate file which should be used for the Bolt server.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(bolt_key_file, "", "Key file which should be used for the Bolt server.");

src/flags/bolt.hpp

@@ -0,0 +1,27 @@
+// 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 "gflags/gflags.h"
+
+// Bolt server flags.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(bolt_address);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(bolt_port);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(bolt_num_workers);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(bolt_session_inactivity_timeout);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(bolt_cert_file);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(bolt_key_file);

src/flags/general.cpp

@@ -0,0 +1,194 @@
+// 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.
+
+#include "general.hpp"
+
+#include "utils/flag_validation.hpp"
+
+#include "glue/auth_handler.hpp"
+
+// Short help flag.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_HIDDEN_bool(h, false, "Print usage and exit.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(monitoring_address, "0.0.0.0",
+              "IP address on which the websocket server for Memgraph monitoring should listen.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(metrics_address, "0.0.0.0",
+              "IP address on which the Memgraph server for exposing metrics should listen.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(monitoring_port, 7444,
+                       "Port on which the websocket server for Memgraph monitoring should listen.",
+                       FLAG_IN_RANGE(0, std::numeric_limits<uint16_t>::max()));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_int32(metrics_port, 9091, "Port on which the Memgraph server for exposing metrics should listen.",
+                       FLAG_IN_RANGE(0, std::numeric_limits<uint16_t>::max()));
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(init_file, "",
+              "Path to cypherl file that is used for configuring users and database schema before server starts.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(init_data_file, "", "Path to cypherl file that is used for creating data after server starts.");
+
+// General purpose flags.
+// NOTE: The `data_directory` flag must be the same here and in
+// `mg_import_csv`. If you change it, make sure to change it there as well.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(data_directory, "mg_data", "Path to directory in which to save all permanent data.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(data_recovery_on_startup, false, "Controls whether the database recovers persisted data on startup.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint64(memory_warning_threshold, 1024,
+              "Memory warning threshold, in MB. If Memgraph detects there is "
+              "less available RAM it will log a warning. Set to 0 to "
+              "disable.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(allow_load_csv, true, "Controls whether LOAD CSV clause is allowed in queries.");
+
+// Storage flags.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_uint64(storage_gc_cycle_sec, 30, "Storage garbage collector interval (in seconds).",
+                        FLAG_IN_RANGE(1, 24 * 3600));
+// NOTE: The `storage_properties_on_edges` flag must be the same here and in
+// `mg_import_csv`. If you change it, make sure to change it there as well.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_properties_on_edges, false, "Controls whether edges have properties.");
+
+// storage_recover_on_startup deprecated; use data_recovery_on_startup instead
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_HIDDEN_bool(storage_recover_on_startup, false,
+                   "Controls whether the storage recovers persisted data on startup.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_uint64(storage_snapshot_interval_sec, 0,
+                        "Storage snapshot creation interval (in seconds). Set "
+                        "to 0 to disable periodic snapshot creation.",
+                        FLAG_IN_RANGE(0, 7 * 24 * 3600));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_wal_enabled, false,
+            "Controls whether the storage uses write-ahead-logging. To enable "
+            "WAL periodic snapshots must be enabled.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_uint64(storage_snapshot_retention_count, 3, "The number of snapshots that should always be kept.",
+                        FLAG_IN_RANGE(1, 1000000));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_uint64(storage_wal_file_size_kib, memgraph::storage::Config::Durability().wal_file_size_kibibytes,
+                        "Minimum file size of each WAL file.",
+                        FLAG_IN_RANGE(1, static_cast<unsigned long>(1000) * 1024));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_uint64(storage_wal_file_flush_every_n_tx,
+                        memgraph::storage::Config::Durability().wal_file_flush_every_n_tx,
+                        "Issue a 'fsync' call after this amount of transactions are written to the "
+                        "WAL file. Set to 1 for fully synchronous operation.",
+                        FLAG_IN_RANGE(1, 1000000));
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_snapshot_on_exit, false, "Controls whether the storage creates another snapshot on exit.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint64(storage_items_per_batch, memgraph::storage::Config::Durability().items_per_batch,
+              "The number of edges and vertices stored in a batch in a snapshot file.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_parallel_index_recovery, false,
+            "Controls whether the index creation can be done in a multithreaded fashion.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint64(storage_recovery_thread_count,
+              std::max(static_cast<uint64_t>(std::thread::hardware_concurrency()),
+                       memgraph::storage::Config::Durability().recovery_thread_count),
+              "The number of threads used to recover persisted data from disk.");
+
+#ifdef MG_ENTERPRISE
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(storage_delete_on_drop, true,
+            "If set to true the query 'DROP DATABASE x' will delete the underlying storage as well.");
+#endif
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(telemetry_enabled, false,
+            "Set to true to enable telemetry. We collect information about the "
+            "running system (CPU and memory information) and information about "
+            "the database runtime (vertex and edge counts and resource usage) "
+            "to allow for easier improvement of the product.");
+
+// Streams flags
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint32(
+    stream_transaction_conflict_retries, 30,
+    "Number of times to retry when a stream transformation fails to commit because of conflicting transactions");
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint32(
+    stream_transaction_retry_interval, 500,
+    "Retry interval in milliseconds when a stream transformation fails to commit because of conflicting transactions");
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(kafka_bootstrap_servers, "",
+              "List of default Kafka brokers as a comma separated list of broker host or host:port.");
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(pulsar_service_url, "", "Default URL used while connecting to Pulsar brokers.");
+
+// Query flags.
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_double(query_execution_timeout_sec, 600,
+              "Maximum allowed query execution time. Queries exceeding this "
+              "limit will be aborted. Value of 0 means no limit.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint64(replication_replica_check_frequency_sec, 1,
+              "The time duration between two replica checks/pings. If < 1, replicas will NOT be checked at all. NOTE: "
+              "The MAIN instance allocates a new thread for each REPLICA.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_bool(replication_restore_state_on_startup, false, "Restore replication state on startup, e.g. recover replica");
+
+DEFINE_VALIDATED_string(query_modules_directory, "",
+                        "Directory where modules with custom query procedures are stored. "
+                        "NOTE: Multiple comma-separated directories can be defined.",
+                        {
+                          if (value.empty()) return true;
+                          const auto directories = memgraph::utils::Split(value, ",");
+                          for (const auto &dir : directories) {
+                            if (!memgraph::utils::DirExists(dir)) {
+                              std::cout << "Expected --" << flagname << " to point to directories." << std::endl;
+                              std::cout << dir << " is not a directory." << std::endl;
+                              return false;
+                            }
+                          }
+                          return true;
+                        });
+
+auto memgraph::flags::ParseQueryModulesDirectory() -> std::vector<std::filesystem::path> {
+  const auto directories = memgraph::utils::Split(FLAGS_query_modules_directory, ",");
+  std::vector<std::filesystem::path> query_modules_directories;
+  query_modules_directories.reserve(directories.size());
+  std::transform(directories.begin(), directories.end(), std::back_inserter(query_modules_directories),
+                 [](const auto &dir) { return dir; });
+
+  return query_modules_directories;
+}
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(query_callable_mappings_path, "",
+              "The path to mappings that describes aliases to callables in cypher queries in the form of key-value "
+              "pairs in a json file. With this option query module procedures that do not exist in memgraph can be "
+              "mapped to ones that exist.");
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_HIDDEN_string(license_key, "", "License key for Memgraph Enterprise.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_HIDDEN_string(organization_name, "", "Organization name.");
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(auth_user_or_role_name_regex, memgraph::glue::kDefaultUserRoleRegex.data(),
+              "Set to the regular expression that each user or role name must fulfill.");

src/flags/general.hpp

@@ -0,0 +1,122 @@
+// 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 "gflags/gflags.h"
+
+#include <filesystem>
+
+// Short help flag.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(h);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(monitoring_address);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(monitoring_port);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(metrics_address);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_int32(metrics_port);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(init_file);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(init_data_file);
+
+// General purpose flags.
+// NOTE: The `data_directory` flag must be the same here and in
+// `mg_import_csv`. If you change it, make sure to change it there as well.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(data_directory);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(data_recovery_on_startup);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(memory_warning_threshold);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(allow_load_csv);
+
+// Storage flags.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_gc_cycle_sec);
+// NOTE: The `storage_properties_on_edges` flag must be the same here and in
+// `mg_import_csv`. If you change it, make sure to change it there as well.
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_properties_on_edges);
+// storage_recover_on_startup deprecated; use data_recovery_on_startup instead
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_recover_on_startup);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_snapshot_interval_sec);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_wal_enabled);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_snapshot_retention_count);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_wal_file_size_kib);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_wal_file_flush_every_n_tx);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_snapshot_on_exit);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_items_per_batch);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_parallel_index_recovery);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(storage_recovery_thread_count);
+#ifdef MG_ENTERPRISE
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(storage_delete_on_drop);
+#endif
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(telemetry_enabled);
+
+// Streams flags
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint32(stream_transaction_conflict_retries);
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint32(stream_transaction_retry_interval);
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(kafka_bootstrap_servers);
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(pulsar_service_url);
+
+// Query flags.
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_double(query_execution_timeout_sec);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(query_modules_directory);
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(query_callable_mappings_path);
+namespace memgraph::flags {
+auto ParseQueryModulesDirectory() -> std::vector<std::filesystem::path>;
+}  // namespace memgraph::flags
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_uint64(replication_replica_check_frequency_sec);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_bool(replication_restore_state_on_startup);
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(license_key);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(organization_name);
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DECLARE_string(auth_user_or_role_name_regex);

src/flags/isolation_level.cpp

@@ -0,0 +1,54 @@
+// 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.
+#include "flags/isolation_level.hpp"
+
+#include "utils/enum.hpp"
+#include "utils/flag_validation.hpp"
+
+#include "gflags/gflags.h"
+
+#include <array>
+#include <string_view>
+
+inline constexpr std::array isolation_level_mappings{
+    std::pair{std::string_view{"SNAPSHOT_ISOLATION"}, memgraph::storage::IsolationLevel::SNAPSHOT_ISOLATION},
+    std::pair{std::string_view{"READ_COMMITTED"}, memgraph::storage::IsolationLevel::READ_COMMITTED},
+    std::pair{std::string_view{"READ_UNCOMMITTED"}, memgraph::storage::IsolationLevel::READ_UNCOMMITTED}};
+
+const std::string isolation_level_help_string =
+    fmt::format("Default isolation level used for the transactions. Allowed values: {}",
+                memgraph::utils::GetAllowedEnumValuesString(isolation_level_mappings));
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_VALIDATED_string(isolation_level, "SNAPSHOT_ISOLATION", isolation_level_help_string.c_str(), {
+  if (const auto result = memgraph::utils::IsValidEnumValueString(value, isolation_level_mappings); result.HasError()) {
+    switch (result.GetError()) {
+      case memgraph::utils::ValidationError::EmptyValue: {
+        std::cout << "Isolation level cannot be empty." << std::endl;
+        break;
+      }
+      case memgraph::utils::ValidationError::InvalidValue: {
+        std::cout << "Invalid value for isolation level. Allowed values: "
+                  << memgraph::utils::GetAllowedEnumValuesString(isolation_level_mappings) << std::endl;
+        break;
+      }
+    }
+    return false;
+  }
+  return true;
+});
+
+memgraph::storage::IsolationLevel memgraph::flags::ParseIsolationLevel() {
+  const auto isolation_level =
+      memgraph::utils::StringToEnum<memgraph::storage::IsolationLevel>(FLAGS_isolation_level, isolation_level_mappings);
+  MG_ASSERT(isolation_level, "Invalid isolation level");
+  return *isolation_level;
+}

src/flags/isolation_level.hpp

@@ -0,0 +1,19 @@
+// 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 "storage/v2/isolation_level.hpp"
+
+namespace memgraph::flags {
+
+memgraph::storage::IsolationLevel ParseIsolationLevel();
+
+}  // namespace memgraph::flags

src/flags/log_level.cpp

@@ -0,0 +1,101 @@
+// 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.
+#include "flags/log_level.hpp"
+
+#include "utils/enum.hpp"
+#include "utils/flag_validation.hpp"
+#include "utils/logging.hpp"
+
+#include "gflags/gflags.h"
+#include "spdlog/common.h"
+#include "spdlog/sinks/daily_file_sink.h"
+
+#include <array>
+#include <string_view>
+#include <utility>
+
+using namespace std::string_view_literals;
+
+// Logging flags
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_HIDDEN_bool(also_log_to_stderr, false, "Log messages go to stderr in addition to logfiles");
+DEFINE_string(log_file, "", "Path to where the log should be stored.");
+
+inline constexpr std::array log_level_mappings{
+    std::pair{"TRACE"sv, spdlog::level::trace}, std::pair{"DEBUG"sv, spdlog::level::debug},
+    std::pair{"INFO"sv, spdlog::level::info},   std::pair{"WARNING"sv, spdlog::level::warn},
+    std::pair{"ERROR"sv, spdlog::level::err},   std::pair{"CRITICAL"sv, spdlog::level::critical}};
+
+const std::string log_level_help_string = fmt::format("Minimum log level. Allowed values: {}",
+                                                      memgraph::utils::GetAllowedEnumValuesString(log_level_mappings));
+
+DEFINE_VALIDATED_string(log_level, "WARNING", log_level_help_string.c_str(), {
+  if (const auto result = memgraph::utils::IsValidEnumValueString(value, log_level_mappings); result.HasError()) {
+    const auto error = result.GetError();
+    switch (error) {
+      case memgraph::utils::ValidationError::EmptyValue: {
+        std::cout << "Log level cannot be empty." << std::endl;
+        break;
+      }
+      case memgraph::utils::ValidationError::InvalidValue: {
+        std::cout << "Invalid value for log level. Allowed values: "
+                  << memgraph::utils::GetAllowedEnumValuesString(log_level_mappings) << std::endl;
+        break;
+      }
+    }
+    return false;
+  }
+
+  return true;
+});
+
+spdlog::level::level_enum ParseLogLevel() {
+  const auto log_level = memgraph::utils::StringToEnum<spdlog::level::level_enum>(FLAGS_log_level, log_level_mappings);
+  MG_ASSERT(log_level, "Invalid log level");
+  return *log_level;
+}
+
+// 5 weeks * 7 days
+inline constexpr auto log_retention_count = 35;
+void CreateLoggerFromSink(const auto &sinks, const auto log_level) {
+  auto logger = std::make_shared<spdlog::logger>("memgraph_log", sinks.begin(), sinks.end());
+  logger->set_level(log_level);
+  logger->flush_on(spdlog::level::trace);
+  spdlog::set_default_logger(std::move(logger));
+}
+
+void memgraph::flags::InitializeLogger() {
+  std::vector<spdlog::sink_ptr> sinks;
+
+  if (FLAGS_also_log_to_stderr) {
+    sinks.emplace_back(std::make_shared<spdlog::sinks::stderr_color_sink_mt>());
+  }
+
+  if (!FLAGS_log_file.empty()) {
+    // get local time
+    time_t current_time{0};
+    struct tm *local_time{nullptr};
+
+    time(&current_time);
+    local_time = localtime(&current_time);
+
+    sinks.emplace_back(std::make_shared<spdlog::sinks::daily_file_sink_mt>(
+        FLAGS_log_file, local_time->tm_hour, local_time->tm_min, false, log_retention_count));
+  }
+  CreateLoggerFromSink(sinks, ParseLogLevel());
+}
+
+void memgraph::flags::AddLoggerSink(spdlog::sink_ptr new_sink) {
+  auto default_logger = spdlog::default_logger();
+  auto sinks = default_logger->sinks();
+  sinks.push_back(new_sink);
+  CreateLoggerFromSink(sinks, default_logger->level());
+}

src/flags/log_level.hpp

@@ -0,0 +1,18 @@
+// 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 <spdlog/sinks/sink.h>
+
+namespace memgraph::flags {
+void InitializeLogger();
+void AddLoggerSink(spdlog::sink_ptr new_sink);
+}  // namespace memgraph::flags

src/flags/memory_limit.cpp

@@ -0,0 +1,41 @@
+// 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.
+#include "flags/memory_limit.hpp"
+
+#include "utils/logging.hpp"
+#include "utils/sysinfo/memory.hpp"
+
+#include "gflags/gflags.h"
+
+// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_uint64(
+    memory_limit, 0,
+    "Total memory limit in MiB. Set to 0 to use the default values which are 100\% of the phyisical memory if the swap "
+    "is enabled and 90\% of the physical memory otherwise.");
+
+int64_t memgraph::flags::GetMemoryLimit() {
+  if (FLAGS_memory_limit == 0) {
+    auto maybe_total_memory = memgraph::utils::sysinfo::TotalMemory();
+    MG_ASSERT(maybe_total_memory, "Failed to fetch the total physical memory");
+    const auto maybe_swap_memory = memgraph::utils::sysinfo::SwapTotalMemory();
+    MG_ASSERT(maybe_swap_memory, "Failed to fetch the total swap memory");
+
+    if (*maybe_swap_memory == 0) {
+      // take only 90% of the total memory
+      *maybe_total_memory *= 9;
+      *maybe_total_memory /= 10;
+    }
+    return *maybe_total_memory * 1024;
+  }
+
+  // We parse the memory as MiB every time
+  return FLAGS_memory_limit * 1024 * 1024;
+}

src/flags/memory_limit.hpp

@@ -0,0 +1,17 @@
+// 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 <cstdint>
+
+namespace memgraph::flags {
+int64_t GetMemoryLimit();
+}  // namespace memgraph::flags

src/glue/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(mg_glue_sources auth.cpp auth_checker.cpp auth_handler.cpp communication.cpp)
-
-add_library(mg-glue STATIC ${mg_glue_sources})
-target_link_libraries(mg-glue mg-query mg-auth)
+add_library(mg-glue STATIC )
+target_sources(mg-glue PRIVATE auth.cpp auth_checker.cpp auth_handler.cpp communication.cpp SessionHL.cpp ServerT.cpp MonitoringServerT.cpp)
+target_link_libraries(mg-glue mg-query mg-auth mg-audit)
+target_precompile_headers(mg-glue INTERFACE auth_checker.hpp auth_handler.hpp)

src/glue/MonitoringServerT.cpp

@@ -0,0 +1,14 @@
+// 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.
+#include "glue/MonitoringServerT.hpp"
+
+template class memgraph::communication::http::Server<
+    memgraph::http::MetricsRequestHandler<memgraph::dbms::SessionContext>, memgraph::dbms::SessionContext>;

src/glue/MonitoringServerT.hpp

@@ -0,0 +1,25 @@
+// 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 "communication/http/server.hpp"
+#include "dbms/session_context.hpp"
+#include "http_handlers/metrics.hpp"
+
+extern template class memgraph::communication::http::Server<
+    memgraph::http::MetricsRequestHandler<memgraph::dbms::SessionContext>, memgraph::dbms::SessionContext>;
+
+namespace memgraph::glue {
+
+using MonitoringServerT =
+    memgraph::communication::http::Server<memgraph::http::MetricsRequestHandler<memgraph::dbms::SessionContext>,
+                                          memgraph::dbms::SessionContext>;
+}  // namespace memgraph::glue

src/glue/ServerT.cpp

@@ -0,0 +1,17 @@
+// 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.
+#include "glue/ServerT.hpp"
+
+#ifdef MG_ENTERPRISE
+template class memgraph::communication::v2::Server<memgraph::glue::SessionHL, memgraph::dbms::SessionContextHandler>;
+#else
+template class memgraph::communication::v2::Server<memgraph::glue::SessionHL, memgraph::dbms::SessionContext>;
+#endif

src/glue/ServerT.hpp

@@ -0,0 +1,35 @@
+// 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 "communication/v2/server.hpp"
+#include "glue/SessionHL.hpp"
+
+#ifdef MG_ENTERPRISE
+#include "dbms/session_context_handler.hpp"
+#else
+#include "dbms/session_context.hpp"
+#endif
+
+#ifdef MG_ENTERPRISE
+extern template class memgraph::communication::v2::Server<memgraph::glue::SessionHL,
+                                                          memgraph::dbms::SessionContextHandler>;
+#else
+extern template class memgraph::communication::v2::Server<memgraph::glue::SessionHL, memgraph::dbms::SessionContext>;
+#endif
+
+namespace memgraph::glue {
+#ifdef MG_ENTERPRISE
+using ServerT = memgraph::communication::v2::Server<memgraph::glue::SessionHL, memgraph::dbms::SessionContextHandler>;
+#else
+using ServerT = memgraph::communication::v2::Server<memgraph::glue::SessionHL, memgraph::dbms::SessionContext>;
+#endif
+}  // namespace memgraph::glue

src/glue/SessionHL.cpp

@@ -0,0 +1,386 @@
+// 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.
+
+#include "glue/SessionHL.hpp"
+
+#include "audit/log.hpp"
+#include "glue/auth_checker.hpp"
+#include "glue/communication.hpp"
+#include "license/license.hpp"
+#include "query/discard_value_stream.hpp"
+
+#include "gflags/gflags.h"
+
+namespace memgraph::metrics {
+extern const Event ActiveBoltSessions;
+}  // namespace memgraph::metrics
+
+// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
+DEFINE_string(bolt_server_name_for_init, "",
+              "Server name which the database should send to the client in the "
+              "Bolt INIT message.");
+
+auto ToQueryExtras(const memgraph::communication::bolt::Value &extra) -> memgraph::query::QueryExtras {
+  auto const &as_map = extra.ValueMap();
+
+  auto metadata_pv = std::map<std::string, memgraph::storage::PropertyValue>{};
+
+  if (auto const it = as_map.find("tx_metadata"); it != as_map.cend() && it->second.IsMap()) {
+    for (const auto &[key, bolt_md] : it->second.ValueMap()) {
+      metadata_pv.emplace(key, memgraph::glue::ToPropertyValue(bolt_md));
+    }
+  }
+
+  auto tx_timeout = std::optional<int64_t>{};
+  if (auto const it = as_map.find("tx_timeout"); it != as_map.cend() && it->second.IsInt()) {
+    tx_timeout = it->second.ValueInt();
+  }
+
+  return memgraph::query::QueryExtras{std::move(metadata_pv), tx_timeout};
+}
+
+class TypedValueResultStreamBase {
+ public:
+  explicit TypedValueResultStreamBase(memgraph::query::InterpreterContext *interpreterContext);
+
+  std::vector<memgraph::communication::bolt::Value> DecodeValues(
+      const std::vector<memgraph::query::TypedValue> &values) const;
+
+ private:
+  // NOTE: Needed only for ToBoltValue conversions
+  memgraph::query::InterpreterContext *interpreter_context_;
+};
+
+/// Wrapper around TEncoder which converts TypedValue to Value
+/// before forwarding the calls to original TEncoder.
+template <typename TEncoder>
+class TypedValueResultStream : public TypedValueResultStreamBase {
+ public:
+  TypedValueResultStream(TEncoder *encoder, memgraph::query::InterpreterContext *ic)
+      : TypedValueResultStreamBase{ic}, encoder_(encoder) {}
+
+  void Result(const std::vector<memgraph::query::TypedValue> &values) { encoder_->MessageRecord(DecodeValues(values)); }
+
+ private:
+  TEncoder *encoder_;
+};
+
+std::vector<memgraph::communication::bolt::Value> TypedValueResultStreamBase::DecodeValues(
+    const std::vector<memgraph::query::TypedValue> &values) const {
+  std::vector<memgraph::communication::bolt::Value> decoded_values;
+  decoded_values.reserve(values.size());
+  for (const auto &v : values) {
+    auto maybe_value = memgraph::glue::ToBoltValue(v, *interpreter_context_->db, memgraph::storage::View::NEW);
+    if (maybe_value.HasError()) {
+      switch (maybe_value.GetError()) {
+        case memgraph::storage::Error::DELETED_OBJECT:
+          throw memgraph::communication::bolt::ClientError("Returning a deleted object as a result.");
+        case memgraph::storage::Error::NONEXISTENT_OBJECT:
+          throw memgraph::communication::bolt::ClientError("Returning a nonexistent object as a result.");
+        case memgraph::storage::Error::VERTEX_HAS_EDGES:
+        case memgraph::storage::Error::SERIALIZATION_ERROR:
+        case memgraph::storage::Error::PROPERTIES_DISABLED:
+          throw memgraph::communication::bolt::ClientError("Unexpected storage error when streaming results.");
+      }
+    }
+    decoded_values.emplace_back(std::move(*maybe_value));
+  }
+  return decoded_values;
+}
+TypedValueResultStreamBase::TypedValueResultStreamBase(memgraph::query::InterpreterContext *interpreterContext)
+    : interpreter_context_(interpreterContext) {}
+
+namespace memgraph::glue {
+
+#ifdef MG_ENTERPRISE
+
+void SessionHL::UpdateAndDefunct(const std::string &db_name) {
+  UpdateAndDefunct(ContextWrapper(sc_handler_.Get(db_name)));
+}
+void SessionHL::UpdateAndDefunct(ContextWrapper &&cntxt) {
+  defunct_.emplace(std::move(current_));
+  Update(std::forward<ContextWrapper>(cntxt));
+  defunct_->Defunct();
+}
+void SessionHL::Update(const std::string &db_name) {
+  ContextWrapper tmp(sc_handler_.Get(db_name));
+  Update(std::move(tmp));
+}
+void SessionHL::Update(ContextWrapper &&cntxt) {
+  current_ = std::move(cntxt);
+  interpreter_ = current_.interp();
+  interpreter_->in_explicit_db_ = in_explicit_db_;
+  interpreter_context_ = current_.interpreter_context();
+}
+void SessionHL::MultiDatabaseAuth(const std::string &db) {
+  if (user_ && !AuthChecker::IsUserAuthorized(*user_, {}, db)) {
+    throw memgraph::communication::bolt::ClientError(
+        "You are not authorized on the database \"{}\"! Please contact your database administrator.", db);
+  }
+}
+std::string SessionHL::GetDefaultDB() {
+  if (user_.has_value()) {
+    return user_->db_access().GetDefault();
+  }
+  return memgraph::dbms::kDefaultDB;
+}
+
+bool SessionHL::OnDelete(const std::string &db_name) {
+  MG_ASSERT(current_.interpreter_context()->db->id() != db_name && (!defunct_ || defunct_->defunct()),
+            "Trying to delete a database while still in use.");
+  return true;
+}
+memgraph::dbms::SetForResult SessionHL::OnChange(const std::string &db_name) {
+  MultiDatabaseAuth(db_name);
+  if (db_name != current_.interpreter_context()->db->id()) {
+    UpdateAndDefunct(db_name);  // Done during Pull, so we cannot just replace the current db
+    return memgraph::dbms::SetForResult::SUCCESS;
+  }
+  return memgraph::dbms::SetForResult::ALREADY_SET;
+}
+
+#endif
+std::string SessionHL::GetDatabaseName() const { return interpreter_context_->db->id(); }
+
+std::optional<std::string> SessionHL::GetServerNameForInit() {
+  if (FLAGS_bolt_server_name_for_init.empty()) return std::nullopt;
+  return FLAGS_bolt_server_name_for_init;
+}
+bool SessionHL::Authenticate(const std::string &username, const std::string &password) {
+  auto locked_auth = auth_->Lock();
+  if (!locked_auth->HasUsers()) {
+    return true;
+  }
+  user_ = locked_auth->Authenticate(username, password);
+#ifdef MG_ENTERPRISE
+  if (user_.has_value()) {
+    const auto &db = user_->db_access().GetDefault();
+    // Check if the underlying database needs to be updated
+    if (db != current_.interpreter_context()->db->id()) {
+      const auto &res = sc_handler_.SetFor(UUID(), db);
+      return res == memgraph::dbms::SetForResult::SUCCESS || res == memgraph::dbms::SetForResult::ALREADY_SET;
+    }
+  }
+#endif
+  return user_.has_value();
+}
+void SessionHL::Abort() { interpreter_->Abort(); }
+
+std::map<std::string, memgraph::communication::bolt::Value> SessionHL::Discard(std::optional<int> n,
+                                                                               std::optional<int> qid) {
+  try {
+    memgraph::query::DiscardValueResultStream stream;
+    return DecodeSummary(interpreter_->Pull(&stream, n, qid));
+  } catch (const memgraph::query::QueryException &e) {
+    // Wrap QueryException into ClientError, because we want to allow the
+    // client to fix their query.
+    throw memgraph::communication::bolt::ClientError(e.what());
+  }
+}
+std::map<std::string, memgraph::communication::bolt::Value> SessionHL::Pull(SessionHL::TEncoder *encoder,
+                                                                            std::optional<int> n,
+                                                                            std::optional<int> qid) {
+  try {
+    TypedValueResultStream<TEncoder> stream(encoder, interpreter_context_);
+    return DecodeSummary(interpreter_->Pull(&stream, n, qid));
+  } catch (const memgraph::query::QueryException &e) {
+    // Wrap QueryException into ClientError, because we want to allow the
+    // client to fix their query.
+    throw memgraph::communication::bolt::ClientError(e.what());
+  }
+}
+std::pair<std::vector<std::string>, std::optional<int>> SessionHL::Interpret(
+    const std::string &query, const std::map<std::string, memgraph::communication::bolt::Value> &params,
+    const std::map<std::string, memgraph::communication::bolt::Value> &extra) {
+  std::map<std::string, memgraph::storage::PropertyValue> params_pv;
+  for (const auto &[key, bolt_param] : params) {
+    params_pv.emplace(key, ToPropertyValue(bolt_param));
+  }
+  const std::string *username{nullptr};
+  if (user_) {
+    username = &user_->username();
+  }
+
+#ifdef MG_ENTERPRISE
+  if (memgraph::license::global_license_checker.IsEnterpriseValidFast()) {
+    audit_log_->Record(endpoint_.address().to_string(), user_ ? *username : "", query,
+                       memgraph::storage::PropertyValue(params_pv), interpreter_context_->db->id());
+  }
+#endif
+  try {
+    auto result = interpreter_->Prepare(query, params_pv, username, ToQueryExtras(extra), UUID());
+    const std::string db_name = result.db ? *result.db : "";
+    if (user_ && !AuthChecker::IsUserAuthorized(*user_, result.privileges, db_name)) {
+      interpreter_->Abort();
+      if (db_name.empty()) {
+        throw memgraph::communication::bolt::ClientError(
+            "You are not authorized to execute this query! Please contact your database administrator.");
+      }
+      throw memgraph::communication::bolt::ClientError(
+          "You are not authorized to execute this query on database \"{}\"! Please contact your database "
+          "administrator.",
+          db_name);
+    }
+    return {std::move(result.headers), result.qid};
+
+  } catch (const memgraph::query::QueryException &e) {
+    // Wrap QueryException into ClientError, because we want to allow the
+    // client to fix their query.
+    throw memgraph::communication::bolt::ClientError(e.what());
+  } catch (const memgraph::query::ReplicationException &e) {
+    throw memgraph::communication::bolt::ClientError(e.what());
+  }
+}
+void SessionHL::RollbackTransaction() { interpreter_->RollbackTransaction(); }
+void SessionHL::CommitTransaction() { interpreter_->CommitTransaction(); }
+void SessionHL::BeginTransaction(const std::map<std::string, memgraph::communication::bolt::Value> &extra) {
+  interpreter_->BeginTransaction(ToQueryExtras(extra));
+}
+void SessionHL::Configure(const std::map<std::string, memgraph::communication::bolt::Value> &run_time_info) {
+#ifdef MG_ENTERPRISE
+  std::string db;
+  bool update = false;
+  // Check if user explicitly defined the database to use
+  if (run_time_info.contains("db")) {
+    const auto &db_info = run_time_info.at("db");
+    if (!db_info.IsString()) {
+      throw memgraph::communication::bolt::ClientError("Malformed database name.");
+    }
+    db = db_info.ValueString();
+    update = db != current_.interpreter_context()->db->id();
+    in_explicit_db_ = true;
+    // NOTE: Once in a transaction, the drivers stop explicitly sending the db and count on using it until commit
+  } else if (in_explicit_db_ && !interpreter_->in_explicit_transaction_) {  // Just on a switch
+    db = GetDefaultDB();
+    update = db != current_.interpreter_context()->db->id();
+    in_explicit_db_ = false;
+  }
+
+  // Check if the underlying database needs to be updated
+  if (update) {
+    sc_handler_.SetInPlace(db, [this](auto new_sc) mutable {
+      const auto &db_name = new_sc.interpreter_context->db->id();
+      MultiDatabaseAuth(db_name);
+      try {
+        Update(ContextWrapper(new_sc));
+        return memgraph::dbms::SetForResult::SUCCESS;
+      } catch (memgraph::dbms::UnknownDatabaseException &e) {
+        throw memgraph::communication::bolt::ClientError("No database named \"{}\" found!", db_name);
+      }
+    });
+  }
+#endif
+}
+SessionHL::~SessionHL() { memgraph::metrics::DecrementCounter(memgraph::metrics::ActiveBoltSessions); }
+SessionHL::SessionHL(
+#ifdef MG_ENTERPRISE
+    memgraph::dbms::SessionContextHandler &sc_handler,
+#else
+    memgraph::dbms::SessionContext sc,
+#endif
+    const memgraph::communication::v2::ServerEndpoint &endpoint, memgraph::communication::v2::InputStream *input_stream,
+    memgraph::communication::v2::OutputStream *output_stream, const std::string &default_db)  // NOLINT
+    : Session<memgraph::communication::v2::InputStream, memgraph::communication::v2::OutputStream>(input_stream,
+                                                                                                   output_stream),
+#ifdef MG_ENTERPRISE
+      sc_handler_(sc_handler),
+      current_(sc_handler_.Get(default_db)),
+#else
+      current_(sc),
+#endif
+      interpreter_context_(current_.interpreter_context()),
+      interpreter_(current_.interp()),
+      auth_(current_.auth()),
+#ifdef MG_ENTERPRISE
+      audit_log_(current_.audit_log()),
+#endif
+      endpoint_(endpoint),
+      run_id_(current_.run_id()) {
+  memgraph::metrics::IncrementCounter(memgraph::metrics::ActiveBoltSessions);
+}
+
+/// ContextWrapper
+ContextWrapper::ContextWrapper(memgraph::dbms::SessionContext sc)
+    : session_context(sc),
+      interpreter(std::make_unique<memgraph::query::Interpreter>(session_context.interpreter_context.get())),
+      defunct_(false) {
+  session_context.interpreter_context->interpreters.WithLock(
+      [this](auto &interpreters) { interpreters.insert(interpreter.get()); });
+}
+ContextWrapper::~ContextWrapper() { Defunct(); }
+void ContextWrapper::Defunct() {
+  if (!defunct_) {
+    session_context.interpreter_context->interpreters.WithLock(
+        [this](auto &interpreters) { interpreters.erase(interpreter.get()); });
+    defunct_ = true;
+  }
+}
+ContextWrapper::ContextWrapper(ContextWrapper &&in) noexcept
+    : session_context(std::move(in.session_context)), interpreter(std::move(in.interpreter)), defunct_(in.defunct_) {
+  in.defunct_ = true;
+}
+ContextWrapper &ContextWrapper::operator=(ContextWrapper &&in) noexcept {
+  if (this != &in) {
+    Defunct();
+    session_context = std::move(in.session_context);
+    interpreter = std::move(in.interpreter);
+    defunct_ = in.defunct_;
+    in.defunct_ = true;
+  }
+  return *this;
+}
+memgraph::query::InterpreterContext *ContextWrapper::interpreter_context() {
+  return session_context.interpreter_context.get();
+}
+memgraph::query::Interpreter *ContextWrapper::interp() { return interpreter.get(); }
+memgraph::utils::Synchronized<memgraph::auth::Auth, memgraph::utils::WritePrioritizedRWLock> *ContextWrapper::auth()
+    const {
+  return session_context.auth;
+}
+std::string ContextWrapper::run_id() const { return session_context.run_id; }
+bool ContextWrapper::defunct() const { return defunct_; }
+#ifdef MG_ENTERPRISE
+memgraph::audit::Log *ContextWrapper::audit_log() const { return session_context.audit_log; }
+#endif
+
+std::map<std::string, memgraph::communication::bolt::Value> SessionHL::DecodeSummary(
+    const std::map<std::string, memgraph::query::TypedValue> &summary) {
+  std::map<std::string, memgraph::communication::bolt::Value> decoded_summary;
+  for (const auto &kv : summary) {
+    auto maybe_value = ToBoltValue(kv.second, *interpreter_context_->db, memgraph::storage::View::NEW);
+    if (maybe_value.HasError()) {
+      switch (maybe_value.GetError()) {
+        case memgraph::storage::Error::DELETED_OBJECT:
+        case memgraph::storage::Error::SERIALIZATION_ERROR:
+        case memgraph::storage::Error::VERTEX_HAS_EDGES:
+        case memgraph::storage::Error::PROPERTIES_DISABLED:
+        case memgraph::storage::Error::NONEXISTENT_OBJECT:
+          throw memgraph::communication::bolt::ClientError("Unexpected storage error when streaming summary.");
+      }
+    }
+    decoded_summary.emplace(kv.first, std::move(*maybe_value));
+  }
+  // Add this memgraph instance run_id, received from telemetry
+  // This is sent with every query, instead of only on bolt init inside
+  // communication/bolt/v1/states/init.hpp because neo4jdriver does not
+  // read the init message.
+  if (auto run_id = run_id_; run_id) {
+    decoded_summary.emplace("run_id", *run_id);
+  }
+
+  // Clean up previous session (session gets defunct when switching between databases)
+  if (defunct_) {
+    defunct_.reset();
+  }
+
+  return decoded_summary;
+}
+}  // namespace memgraph::glue

src/glue/SessionHL.hpp

@@ -0,0 +1,161 @@
+// 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 "communication/v2/server.hpp"
+#include "communication/v2/session.hpp"
+#include "dbms/session_context.hpp"
+
+#ifdef MG_ENTERPRISE
+#include "dbms/session_context_handler.hpp"
+#else
+#include "dbms/session_context.hpp"
+#endif
+
+namespace memgraph::glue {
+
+struct ContextWrapper {
+  explicit ContextWrapper(memgraph::dbms::SessionContext sc);
+  ~ContextWrapper();
+
+  ContextWrapper(const ContextWrapper &) = delete;
+  ContextWrapper &operator=(const ContextWrapper &) = delete;
+
+  ContextWrapper(ContextWrapper &&in) noexcept;
+  ContextWrapper &operator=(ContextWrapper &&in) noexcept;
+
+  void Defunct();
+  memgraph::query::InterpreterContext *interpreter_context();
+  memgraph::query::Interpreter *interp();
+  memgraph::utils::Synchronized<memgraph::auth::Auth, memgraph::utils::WritePrioritizedRWLock> *auth() const;
+  std::string run_id() const;
+  bool defunct() const;
+#ifdef MG_ENTERPRISE
+  memgraph::audit::Log *audit_log() const;
+#endif
+
+ private:
+  memgraph::dbms::SessionContext session_context;
+  std::unique_ptr<memgraph::query::Interpreter> interpreter;
+  bool defunct_;
+};
+
+class SessionHL final : public memgraph::communication::bolt::Session<memgraph::communication::v2::InputStream,
+                                                                      memgraph::communication::v2::OutputStream> {
+ public:
+  SessionHL(
+#ifdef MG_ENTERPRISE
+      memgraph::dbms::SessionContextHandler &sc_handler,
+#else
+      memgraph::dbms::SessionContext sc,
+#endif
+      const memgraph::communication::v2::ServerEndpoint &endpoint,
+      memgraph::communication::v2::InputStream *input_stream, memgraph::communication::v2::OutputStream *output_stream,
+      const std::string &default_db = memgraph::dbms::kDefaultDB);
+
+  ~SessionHL() override;
+
+  SessionHL(const SessionHL &) = delete;
+  SessionHL &operator=(const SessionHL &) = delete;
+  SessionHL(SessionHL &&) = delete;
+  SessionHL &operator=(SessionHL &&) = delete;
+
+  void Configure(const std::map<std::string, memgraph::communication::bolt::Value> &run_time_info) override;
+
+  using TEncoder = memgraph::communication::bolt::Encoder<
+      memgraph::communication::bolt::ChunkedEncoderBuffer<memgraph::communication::v2::OutputStream>>;
+
+  void BeginTransaction(const std::map<std::string, memgraph::communication::bolt::Value> &extra) override;
+
+  void CommitTransaction() override;
+
+  void RollbackTransaction() override;
+
+  std::pair<std::vector<std::string>, std::optional<int>> Interpret(
+      const std::string &query, const std::map<std::string, memgraph::communication::bolt::Value> &params,
+      const std::map<std::string, memgraph::communication::bolt::Value> &extra) override;
+
+  std::map<std::string, memgraph::communication::bolt::Value> Pull(TEncoder *encoder, std::optional<int> n,
+                                                                   std::optional<int> qid) override;
+
+  std::map<std::string, memgraph::communication::bolt::Value> Discard(std::optional<int> n,
+                                                                      std::optional<int> qid) override;
+
+  void Abort() override;
+
+  // Called during Init
+  // During Init, the user cannot choose the landing DB (switch is done during query execution)
+  bool Authenticate(const std::string &username, const std::string &password) override;
+
+#ifdef MG_ENTERPRISE
+  memgraph::dbms::SetForResult OnChange(const std::string &db_name) override;
+
+  bool OnDelete(const std::string &db_name) override;
+#endif
+  std::optional<std::string> GetServerNameForInit() override;
+
+  std::string GetDatabaseName() const override;
+
+ private:
+  std::map<std::string, memgraph::communication::bolt::Value> DecodeSummary(
+      const std::map<std::string, memgraph::query::TypedValue> &summary);
+
+#ifdef MG_ENTERPRISE
+  /**
+   * @brief Update setup to the new database.
+   *
+   * @param db_name name of the target database
+   * @throws UnknownDatabaseException if handler cannot get it
+   */
+  void UpdateAndDefunct(const std::string &db_name);
+
+  void UpdateAndDefunct(ContextWrapper &&cntxt);
+
+  void Update(const std::string &db_name);
+
+  void Update(ContextWrapper &&cntxt);
+
+  /**
+   * @brief Authenticate user on passed database.
+   *
+   * @param db database to check against
+   * @throws bolt::ClientError when user is not authorized
+   */
+  void MultiDatabaseAuth(const std::string &db);
+
+  /**
+   * @brief Get the user's default database
+   *
+   * @return std::string
+   */
+  std::string GetDefaultDB();
+#endif
+
+#ifdef MG_ENTERPRISE
+  memgraph::dbms::SessionContextHandler &sc_handler_;
+#endif
+  ContextWrapper current_;
+  std::optional<ContextWrapper> defunct_;
+
+  memgraph::query::InterpreterContext *interpreter_context_;
+  memgraph::query::Interpreter *interpreter_;
+  memgraph::utils::Synchronized<memgraph::auth::Auth, memgraph::utils::WritePrioritizedRWLock> *auth_;
+  std::optional<memgraph::auth::User> user_;
+#ifdef MG_ENTERPRISE
+  memgraph::audit::Log *audit_log_;
+  bool in_explicit_db_{false};  //!< If true, the user has defined the database to use via metadata
+#endif
+  memgraph::communication::v2::ServerEndpoint endpoint_;
+  // NOTE: run_id should be const but that complicates code a lot.
+  std::optional<std::string> run_id_;
+};
+
+}  // namespace memgraph::glue

src/glue/auth_checker.cpp

@@ -73,19 +73,18 @@ AuthChecker::AuthChecker(
 bool AuthChecker::IsUserAuthorized(const std::optional<std::string> &username,
                                    const std::vector<memgraph::query::AuthQuery::Privilege> &privileges,
                                    const std::string &db_name) const {
+  std::optional<memgraph::auth::User> maybe_user;
   {
     auto locked_auth = auth_->ReadLock();
     if (!locked_auth->HasUsers()) {
       return true;
     }
-    if (username.has_value() && username != user_.username()) {
-      const auto maybe_user = locked_auth->GetUser(*username);
-      if (!maybe_user) return false;
-      user_ = *maybe_user;
+    if (username.has_value()) {
+      maybe_user = locked_auth->GetUser(*username);
     }
   }
 
-  return IsUserAuthorized(user_, privileges, db_name);
+  return maybe_user.has_value() && IsUserAuthorized(*maybe_user, privileges, db_name);
 }
 
 #ifdef MG_ENTERPRISE
@@ -101,7 +100,7 @@ std::unique_ptr<memgraph::query::FineGrainedAuthChecker> AuthChecker::GetFineGra
       if (!maybe_user) {
         throw memgraph::query::QueryRuntimeException("User '{}' doesn't exist .", username);
       }
-      user_ = *maybe_user;
+      user_ = std::move(*maybe_user);
     }
     return std::make_unique<memgraph::glue::FineGrainedAuthChecker>(user_, dba);
 

src/glue/auth_handler.cpp

@@ -16,6 +16,7 @@
 #include <fmt/format.h>
 
 #include "auth/models.hpp"
+#include "dbms/constants.hpp"
 #include "glue/auth.hpp"
 #include "license/license.hpp"
 #include "query/constants.hpp"
@@ -138,10 +139,10 @@ std::vector<std::vector<memgraph::query::TypedValue>> ShowDatabasePrivileges(
     res.emplace_back("*");
   } else {
     std::vector<memgraph::query::TypedValue> grants_vec(grants.cbegin(), grants.cend());
-    res.emplace_back(grants_vec);
+    res.emplace_back(std::move(grants_vec));
   }
   std::vector<memgraph::query::TypedValue> denies_vec(denies.cbegin(), denies.cend());
-  res.emplace_back(denies_vec);
+  res.emplace_back(std::move(denies_vec));
   return {res};
 }
 
@@ -291,6 +292,10 @@ bool AuthQueryHandler::CreateUser(const std::string &username, const std::option
           }
 #endif
       );
+#ifdef MG_ENTERPRISE
+      GrantDatabaseToUser(auth::kAllDatabases, username);
+      SetMainDatabase(username, dbms::kDefaultDB);
+#endif
     }
 
     return user_added;
@@ -547,7 +552,6 @@ std::vector<std::vector<memgraph::query::TypedValue>> AuthQueryHandler::GetPrivi
     std::vector<std::vector<memgraph::query::TypedValue>> grants;
 #ifdef MG_ENTERPRISE
     std::vector<std::vector<memgraph::query::TypedValue>> fine_grained_grants;
-    std::vector<std::vector<memgraph::query::TypedValue>> database_grants;
 #endif
     auto user = locked_auth->GetUser(user_or_role);
     auto role = locked_auth->GetRole(user_or_role);

src/helpers.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -63,7 +63,7 @@ inline void LoadConfig(const std::string &product_name) {
   delete[] custom_argv;
 }
 
-std::pair<std::string, std::string> LoadUsernameAndPassword(const std::string &pass_file) {
+inline std::pair<std::string, std::string> LoadUsernameAndPassword(const std::string &pass_file) {
   std::ifstream file(pass_file);
   if (file.fail()) {
     spdlog::warn("Problem with opening MG_PASSFILE, memgraph server will start without user");

src/http_handlers/metrics.hpp

@@ -101,6 +101,7 @@ class MetricsService {
   auto GetEventCounters() {
     // NOLINTNEXTLINE(cppcoreguidelines-init-variables)
     std::vector<std::tuple<std::string, std::string, uint64_t>> event_counters{};
+    event_counters.reserve(memgraph::metrics::CounterEnd());
 
     for (auto i = 0; i < memgraph::metrics::CounterEnd(); i++) {
       event_counters.emplace_back(memgraph::metrics::GetCounterName(i), memgraph::metrics::GetCounterType(i),
@@ -113,6 +114,7 @@ class MetricsService {
   auto GetEventGauges() {
     // NOLINTNEXTLINE(cppcoreguidelines-init-variables)
     std::vector<std::tuple<std::string, std::string, uint64_t>> event_gauges{};
+    event_gauges.reserve(memgraph::metrics::GaugeEnd());
 
     for (auto i = 0; i < memgraph::metrics::GaugeEnd(); i++) {
       event_gauges.emplace_back(memgraph::metrics::GetGaugeName(i), memgraph::metrics::GetGaugeType(i),

src/integrations/kafka/consumer.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -86,8 +86,8 @@ struct ConsumerInfo {
   std::string bootstrap_servers;
   std::chrono::milliseconds batch_interval;
   int64_t batch_size;
-  std::unordered_map<std::string, std::string> public_configs;
-  std::unordered_map<std::string, std::string> private_configs;
+  std::unordered_map<std::string, std::string> public_configs{};
+  std::unordered_map<std::string, std::string> private_configs{};
 };
 
 /// Memgraphs Kafka consumer wrapper.

src/io/network/endpoint.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -91,7 +91,6 @@ std::string Endpoint::SocketAddress() const {
   return ip_address + ":" + std::to_string(port);
 }
 
-Endpoint::Endpoint() {}
 Endpoint::Endpoint(std::string ip_address, uint16_t port) : address(std::move(ip_address)), port(port) {
   IpFamily ip_family = GetIpFamily(address);
   if (ip_family == IpFamily::NONE) {

src/io/network/endpoint.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -25,8 +25,13 @@ namespace memgraph::io::network {
  * connection address.
  */
 struct Endpoint {
-  Endpoint();
+  Endpoint() = default;
   Endpoint(std::string ip_address, uint16_t port);
+  Endpoint(Endpoint const &) = default;
+  Endpoint(Endpoint &&) noexcept = default;
+  Endpoint &operator=(Endpoint const &) = default;
+  Endpoint &operator=(Endpoint &&) noexcept = default;
+  ~Endpoint() = default;
 
   enum class IpFamily : std::uint8_t { NONE, IP4, IP6 };
 

src/kvstore/kvstore.cpp

@@ -9,8 +9,6 @@
 // by the Apache License, Version 2.0, included in the file
 // licenses/APL.txt.
 
-#include <iostream>
-
 #include <rocksdb/db.h>
 #include <rocksdb/options.h>
 
@@ -74,7 +72,7 @@ std::optional<std::string> KVStore::Get(const std::string &key) const noexcept {
   return value;
 }
 
-bool KVStore::Delete(const std::string &key) {
+bool KVStore::Delete(std::string_view key) {
   auto s = pimpl_->db->Delete(rocksdb::WriteOptions(), key);
   return s.ok();
 }

src/kvstore/kvstore.hpp

@@ -1,4 +1,4 @@
-// Copyright 2022 Memgraph Ltd.
+// 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
@@ -91,7 +91,7 @@ class KVStore final {
    *         true if the key doesn't exist and underlying storage
    *         didn't encounter any error.
    */
-  bool Delete(const std::string &key);
+  bool Delete(std::string_view key);
 
   /**
    * Deletes the keys and corresponding values from storage.