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Sort SHOW INDEX INFO (#1178)

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This commit is contained in:
Ante Pušić
2023-09-11 10:59:41 +02:00
committed by GitHub
parent 58546a9fe1
commit d4fcd745d2
6 changed files with 145 additions and 2 deletions
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24
src/query/interpreter.cpp
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@@ -2912,17 +2912,37 @@ PreparedQuery PrepareInfoQuery(ParsedQuery parsed_query, bool in_explicit_transa
case InfoQuery::InfoType::INDEX:
header = {"index type", "label", "property"};
handler = [interpreter_context] {
const std::string_view label_index_mark{"label"};
const std::string_view label_property_index_mark{"label+property"};
auto *db = interpreter_context->db.get();
auto info = db->ListAllIndices();
std::vector<std::vector<TypedValue>> results;
results.reserve(info.label.size() + info.label_property.size());
for (const auto &item : info.label) {
results.push_back({TypedValue("label"), TypedValue(db->LabelToName(item)), TypedValue()});
results.push_back({TypedValue(label_index_mark), TypedValue(db->LabelToName(item)), TypedValue()});
}
for (const auto &item : info.label_property) {
results.push_back({TypedValue("label+property"), TypedValue(db->LabelToName(item.first)),
results.push_back({TypedValue(label_property_index_mark), TypedValue(db->LabelToName(item.first)),
TypedValue(db->PropertyToName(item.second))});
}
std::sort(results.begin(), results.end(), [&label_index_mark](const auto &record_1, const auto &record_2) {
const auto type_1 = record_1[0].ValueString();
const auto type_2 = record_2[0].ValueString();
if (type_1 != type_2) {
return type_1 < type_2;
}
const auto label_1 = record_1[1].ValueString();
const auto label_2 = record_2[1].ValueString();
if (type_1 == label_index_mark || label_1 != label_2) {
return label_1 < label_2;
}
return record_1[2].ValueString() < record_2[2].ValueString();
});
return std::pair{results, QueryHandlerResult::NOTHING};
};
break;