bd0b81526e
Summary: Tested MVCC garbage collector. Also refactors graph_db forward declarations of vertex and edge which were causing issues. Reviewers: mislav.bradac, dtomicevic, florijan, teon.banek, buda Reviewed By: teon.banek, buda Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D177
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#pragma once
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#include <iostream>
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#include <map>
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#include <string>
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#include <vector>
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#include "query/backend/cpp/typed_value.hpp"
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#include "storage/edge_accessor.hpp"
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#include "storage/vertex_accessor.hpp"
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void write_properties(std::ostream &os, const GraphDbAccessor &access,
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const PropertyValueStore<GraphDbTypes::Property> &properties) {
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if (properties.size() > 0) {
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os << "{";
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for (auto x : properties) {
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os << access.property_name(x.first) << ": " << x.second << ",";
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}
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os << "}\n";
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}
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}
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std::ostream &operator<<(std::ostream &os, const VertexAccessor &vertex) {
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if (vertex.labels().size() > 0) {
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for (GraphDbTypes::Label label : vertex.labels()) {
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os << vertex.db_accessor().property_name(label) << ", ";
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}
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os << "\n";
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}
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write_properties(os, vertex.db_accessor(), vertex.Properties());
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return os;
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}
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std::ostream &operator<<(std::ostream &os, const EdgeAccessor &edge) {
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os << "Edge: " << edge.db_accessor().edge_type_name(edge.edge_type()) << "\n";
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write_properties(os, edge.db_accessor(), edge.Properties());
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return os;
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}
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class PrintRecordStream {
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private:
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std::ostream &stream;
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public:
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PrintRecordStream(std::ostream &stream) : stream(stream) {}
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// TODO: all these functions should pretty print their data
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void Header(const std::vector<std::string> &fields) {
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stream << "Header\n";
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}
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void Result(std::vector<TypedValue> &values) {
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stream << "Result\n";
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}
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void Summary(const std::map<std::string, TypedValue> &summary) {
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stream << "Summary\n";
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}
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};
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