39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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#include <iostream>
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#include <string>
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#include "query/plan_interface.hpp"
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#include "storage/edge_accessor.hpp"
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#include "storage/vertex_accessor.hpp"
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#include "using.hpp"
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using std::cout;
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using std::endl;
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// Query: MATCH (g:garment {garment_id: 1234}) RETURN g
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class CPUPlan : public PlanInterface<Stream> {
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public:
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bool run(GraphDbAccessor &db_accessor, const TypedValueStore<> &args,
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Stream &stream) {
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stream.write_field("g");
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for (auto vertex : db_accessor.vertices()) {
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if (vertex.has_label(db_accessor.label("garment"))) {
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auto prop = vertex.PropsAt(db_accessor.property("garment_id"));
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if (prop.type_ == TypedValue::Type::Null) continue;
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auto cmp = prop == args.at(0);
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if (cmp.type_ != TypedValue::Type::Bool) continue;
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if (cmp.Value<bool>() != true) continue;
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stream.write_vertex_record(vertex);
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}
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}
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stream.write_meta("r");
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db_accessor.transaction_.commit();
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return true;
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}
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~CPUPlan() {}
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};
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extern "C" PlanInterface<Stream> *produce() { return new CPUPlan(); }
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extern "C" void destruct(PlanInterface<Stream> *p) { delete p; }
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