5d235b51f3
tmp commit tmp commit v2 Finished reimplementation of propertys. They now can be placed in a holder with different source of type information. Tmp commit
117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
#pragma once
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#include <string>
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#include "query_engine/util.hpp"
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struct Code
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{
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std::string code;
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void reset() { code = ""; }
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};
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namespace code
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{
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// TODO: one more abstraction level
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// TODO: UNIT tests
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const std::string transaction_begin = "DbAccessor t(db);";
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const std::string transaction_commit = "t.commit();";
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const std::string set_property = "{}.set({}, std::move(args[{}]));";
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// create vertex e.g. CREATE (n:PERSON {name: "Test", age: 23})
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const std::string create_vertex = "auto {} = t.vertex_insert();";
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const std::string create_label = "auto &{0} = t.label_find_or_create(\"{0}\");";
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const std::string add_label = "{}.add_label({});";
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const std::string vertex_property_key =
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"auto {}=t.vertex_property_key(\"{}\",args[{}].key.flags());";
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const std::string edge_property_key =
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"auto {}=t.edge_property_key(\"{}\",args[{}].key.flags());";
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// create edge e.g CREATE (n1)-[r:COST {cost: 100}]->(n2)
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const std::string create_edge = "auto {} = t.edge_insert({},{});";
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const std::string find_type = "auto &{0} = t.type_find_or_create(\"{0}\");";
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const std::string set_type = "{}.edge_type({});";
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const std::string args_id = "Int32 id = args[{}].as<Int32>();";
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const std::string vertex_accessor_args_id =
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"auto vertex_accessor = t.vertex_find(id.value());";
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const std::string match_vertex_by_id =
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"auto option_{0} = t.vertex_find(args[{1}].as<Int64>().value());\n"
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" if (!option_fill(option_{0})) return t.commit(), false;\n"
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" auto {0}=option_{0}.take();";
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const std::string match_edge_by_id =
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"auto option_{0} = t.edge_find(args[{1}].as<Int64>().value());\n"
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" if (!option_fill(option_{0})) return t.commit(), false;\n"
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" auto {0}=option_{0}.take();";
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const std::string write_entity = "stream.write_field(\"{0}\");\n"
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" stream.write_record();\n"
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" stream.write_list_header(1);\n"
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" stream.write({0});\n"
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" stream.chunk();"
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" stream.write_meta(\"rw\");\n";
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const std::string write_all_vertices =
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"stream.write_field(\"{0}\");\n"
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" iter::for_all(t.vertex_access(), [&](auto vertex) {{\n"
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" if (vertex.fill()) {{\n"
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" stream.write_record();\n"
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" stream.write_list_header(1);\n"
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" stream.write(vertex);\n"
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" stream.chunk();\n"
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" }}\n"
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" }});\n"
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" stream.write_meta(\"rw\");\n";
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const std::string find_and_write_vertices_by_label =
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"auto &label = t.label_find_or_create(\"{1}\");\n"
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" stream.write_field(\"{0}\");\n"
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" label.index().for_range(t).for_all([&](auto vertex) {{\n"
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" stream.write_record();\n"
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" stream.write_list_header(1);\n"
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" stream.write(vertex);\n"
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" stream.chunk();\n"
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" }});\n"
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" stream.write_meta(\"rw\");\n";
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const std::string write_all_edges =
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"stream.write_field(\"{0}\");\n"
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" iter::for_all(t.edge_access(), [&](auto edge) {{\n"
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" if (edge.fill()) {{\n"
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" stream.write_record();\n"
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" stream.write_list_header(1);\n"
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" stream.write(edge);\n"
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" stream.chunk();\n"
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" }}\n"
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" }});\n"
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" stream.write_meta(\"rw\");\n";
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const std::string find_and_write_edges_by_type =
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"auto &type = t.type_find_or_create(\"{1}\");\n"
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" stream.write_field(\"{0}\");\n"
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" type.index().for_range(t).for_all([&](auto edge) {{\n"
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" stream.write_record();\n"
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" stream.write_list_header(1);\n"
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" stream.write(edge);\n"
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" stream.chunk();\n"
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" }});\n"
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" stream.write_meta(\"rw\");\n";
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const std::string return_true = "return true;";
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const std::string todo = "// TODO: {}";
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const std::string print_properties =
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"cout << \"{0}\" << endl;\n"
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" cout_properties({0}.properties());";
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const std::string print_property =
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"cout_property(\"{0}\", {0}.property(\"{1}\"));";
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}
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