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Implement indices and constraints info for v2

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Reviewers: teon.banek

Reviewed By: teon.banek

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D2542
This commit is contained in:
Matej Ferencevic 2019-11-11 14:15:13 +01:00
parent 8735082bbd
commit 205477b28a
1 changed files with 32 additions and 2 deletions
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34
src/query/interpreter.cpp
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@ -1004,7 +1004,24 @@ PreparedQuery PrepareInfoQuery(
break;
case InfoQuery::InfoType::INDEX:
#ifdef MG_SINGLE_NODE_V2
throw utils::NotYetImplemented("IndexInfo");
header = {"index type", "label", "property"};
handler = [interpreter_context] {
auto *db = interpreter_context->db;
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()});
}
for (const auto &item : info.label_property) {
results.push_back({TypedValue("label+property"),
TypedValue(db->LabelToName(item.first)),
TypedValue(db->PropertyToName(item.second))});
}
return std::pair{results, QueryHandlerResult::NOTHING};
};
break;
#else
header = {"created index"};
handler = [dba] {
@ -1020,7 +1037,20 @@ PreparedQuery PrepareInfoQuery(
#endif
case InfoQuery::InfoType::CONSTRAINT:
#ifdef MG_SINGLE_NODE_V2
throw utils::NotYetImplemented("ConstraintInfo");
header = {"constraint type", "label", "properties"};
handler = [interpreter_context] {
auto *db = interpreter_context->db;
auto info = db->ListAllConstraints();
std::vector<std::vector<TypedValue>> results;
results.reserve(info.existence.size());
for (const auto &item : info.existence) {
results.push_back({TypedValue("exists"),
TypedValue(db->LabelToName(item.first)),
TypedValue(db->PropertyToName(item.second))});
}
return std::pair{results, QueryHandlerResult::NOTHING};
};
break;
#else
header = {"constraint type", "label", "properties"};
handler = [dba] {