7bd45f8714
Reviewers: mferencevic, ipaljak Reviewed By: mferencevic Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D2203
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
#pragma once
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#include "query/common.hpp"
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#include "query/frontend/semantic/symbol_table.hpp"
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#include "query/parameters.hpp"
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#include "query/plan/profile.hpp"
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namespace query {
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struct EvaluationContext {
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/// Memory for allocations during evaluation of a *single* Pull call.
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///
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/// Although the assigned memory may live longer than the duration of a Pull
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/// (e.g. memory is the same as the whole execution memory), you have to treat
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/// it as if the lifetime is only valid during the Pull.
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utils::MemoryResource *memory{utils::NewDeleteResource()};
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int64_t timestamp{-1};
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Parameters parameters;
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/// All properties indexable via PropertyIx
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std::vector<storage::Property> properties;
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/// All labels indexable via LabelIx
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std::vector<storage::Label> labels;
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/// All counters generated by `counter` function, mutable because the function
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/// modifies the values
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mutable std::unordered_map<std::string, int64_t> counters;
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};
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inline std::vector<storage::Property> NamesToProperties(
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const std::vector<std::string> &property_names, DbAccessor *dba) {
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std::vector<storage::Property> properties;
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properties.reserve(property_names.size());
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for (const auto &name : property_names) {
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properties.push_back(dba->NameToProperty(name));
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}
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return properties;
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}
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inline std::vector<storage::Label> NamesToLabels(
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const std::vector<std::string> &label_names, DbAccessor *dba) {
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std::vector<storage::Label> labels;
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labels.reserve(label_names.size());
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for (const auto &name : label_names) {
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labels.push_back(dba->NameToLabel(name));
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}
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return labels;
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}
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struct ExecutionContext {
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DbAccessor *db_accessor{nullptr};
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SymbolTable symbol_table;
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EvaluationContext evaluation_context;
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bool is_profile_query{false};
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std::chrono::duration<double> profile_execution_time;
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plan::ProfilingStats stats;
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plan::ProfilingStats *stats_root{nullptr};
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};
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} // namespace query
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