fe36835519
Summary: Add db_accessor to ExpressionEvaluator Reviewers: florijan, teon.banek Reviewed By: teon.banek Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D310
37 lines
936 B
C++
37 lines
936 B
C++
#include "query/interpret/awesome_memgraph_functions.hpp"
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#include <cmath>
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#include <cstdlib>
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#include "query/exceptions.hpp"
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namespace query {
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namespace {
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TypedValue Abs(const std::vector<TypedValue> &args, GraphDbAccessor &) {
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if (args.size() != 1U) {
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throw QueryRuntimeException("ABS requires one argument");
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}
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switch (args[0].type()) {
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case TypedValue::Type::Null:
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return TypedValue::Null;
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case TypedValue::Type::Int:
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return static_cast<int64_t>(
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std::abs(static_cast<long long>(args[0].Value<int64_t>())));
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case TypedValue::Type::Double:
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return std::abs(args[0].Value<double>());
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default:
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throw QueryRuntimeException("ABS called with incompatible type");
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}
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}
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}
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std::function<TypedValue(const std::vector<TypedValue> &, GraphDbAccessor &)>
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NameToFunction(const std::string &function_name) {
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if (function_name == "ABS") {
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return Abs;
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}
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return nullptr;
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}
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}
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