Fix schema query module (#1510)

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DavIvek 2023-12-18 14:34:21 +01:00 committed by GitHub
parent 39ee248d34
commit cb4d4db813
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2 changed files with 199 additions and 22 deletions

View File

@ -108,31 +108,83 @@ void Schema::ProcessPropertiesRel(mgp::Record &record, const std::string_view &t
record.Insert(std::string(kReturnMandatory).c_str(), mandatory);
}
struct Property {
std::string name;
mgp::Value value;
Property(const std::string &name, mgp::Value &&value) : name(name), value(std::move(value)) {}
};
struct LabelsHash {
std::size_t operator()(const std::set<std::string> &set) const {
std::size_t seed = set.size();
for (const auto &i : set) {
seed ^= std::hash<std::string>{}(i) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
return seed;
}
};
struct LabelsComparator {
bool operator()(const std::set<std::string> &lhs, const std::set<std::string> &rhs) const { return lhs == rhs; }
};
struct PropertyComparator {
bool operator()(const Property &lhs, const Property &rhs) const { return lhs.name < rhs.name; }
};
struct PropertyInfo {
std::set<Property, PropertyComparator> properties;
bool mandatory;
};
void Schema::NodeTypeProperties(mgp_list * /*args*/, mgp_graph *memgraph_graph, mgp_result *result,
mgp_memory *memory) {
mgp::MemoryDispatcherGuard guard{memory};
const auto record_factory = mgp::RecordFactory(result);
try {
const mgp::Graph graph = mgp::Graph(memgraph_graph);
for (auto node : graph.Nodes()) {
std::string type;
mgp::List labels = mgp::List();
std::unordered_map<std::set<std::string>, PropertyInfo, LabelsHash, LabelsComparator> node_types_properties;
for (auto node : mgp::Graph(memgraph_graph).Nodes()) {
std::set<std::string> labels_set = {};
for (auto label : node.Labels()) {
labels.AppendExtend(mgp::Value(label));
type += ":`" + std::string(label) + "`";
labels_set.emplace(label);
}
if (node_types_properties.find(labels_set) == node_types_properties.end()) {
node_types_properties[labels_set] = PropertyInfo{std::set<Property, PropertyComparator>(), true};
}
if (node.Properties().empty()) {
auto record = record_factory.NewRecord();
ProcessPropertiesNode<std::string>(record, type, labels, "", "", false);
node_types_properties[labels_set].mandatory = false; // if there is node with no property, it is not mandatory
continue;
}
auto &property_info = node_types_properties.at(labels_set);
for (auto &[key, prop] : node.Properties()) {
auto property_type = mgp::List();
property_info.properties.emplace(key, std::move(prop));
if (property_info.mandatory) {
property_info.mandatory =
property_info.properties.size() == 1; // if there is only one property, it is mandatory
}
}
}
for (auto &[labels, property_info] : node_types_properties) {
std::string label_type;
mgp::List labels_list = mgp::List();
for (auto const &label : labels) {
label_type += ":`" + std::string(label) + "`";
labels_list.AppendExtend(mgp::Value(label));
}
for (auto const &prop : property_info.properties) {
auto record = record_factory.NewRecord();
property_type.AppendExtend(mgp::Value(TypeOf(prop.Type())));
ProcessPropertiesNode<mgp::List>(record, type, labels, key, property_type, true);
ProcessPropertiesNode(record, label_type, labels_list, prop.name, TypeOf(prop.value.Type()),
property_info.mandatory);
}
if (property_info.properties.empty()) {
auto record = record_factory.NewRecord();
ProcessPropertiesNode<std::string>(record, label_type, labels_list, "", "", false);
}
}
@ -144,23 +196,41 @@ void Schema::NodeTypeProperties(mgp_list * /*args*/, mgp_graph *memgraph_graph,
void Schema::RelTypeProperties(mgp_list * /*args*/, mgp_graph *memgraph_graph, mgp_result *result, mgp_memory *memory) {
mgp::MemoryDispatcherGuard guard{memory};
std::unordered_map<std::string, PropertyInfo> rel_types_properties;
const auto record_factory = mgp::RecordFactory(result);
try {
const mgp::Graph graph = mgp::Graph(memgraph_graph);
for (auto rel : graph.Relationships()) {
std::string type = ":`" + std::string(rel.Type()) + "`";
std::string rel_type = std::string(rel.Type());
if (rel_types_properties.find(rel_type) == rel_types_properties.end()) {
rel_types_properties[rel_type] = PropertyInfo{std::set<Property, PropertyComparator>(), true};
}
if (rel.Properties().empty()) {
auto record = record_factory.NewRecord();
ProcessPropertiesRel<std::string>(record, type, "", "", false);
rel_types_properties[rel_type].mandatory = false; // if there is rel with no property, it is not mandatory
continue;
}
auto &property_info = rel_types_properties.at(rel_type);
for (auto &[key, prop] : rel.Properties()) {
auto property_type = mgp::List();
property_info.properties.emplace(key, std::move(prop));
if (property_info.mandatory) {
property_info.mandatory =
property_info.properties.size() == 1; // if there is only one property, it is mandatory
}
}
}
for (auto &[type, property_info] : rel_types_properties) {
std::string type_str = ":`" + std::string(type) + "`";
for (auto const &prop : property_info.properties) {
auto record = record_factory.NewRecord();
property_type.AppendExtend(mgp::Value(TypeOf(prop.Type())));
ProcessPropertiesRel<mgp::List>(record, type, key, property_type, true);
ProcessPropertiesRel(record, type_str, prop.name, TypeOf(prop.value.Type()), property_info.mandatory);
}
if (property_info.properties.empty()) {
auto record = record_factory.NewRecord();
ProcessPropertiesRel<std::string>(record, type_str, "", "", false);
}
}

View File

@ -431,7 +431,7 @@ def test_node_type_properties1():
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)[0]
)
assert (result) == [":`Activity`", ["Activity"], "location", ["String"], True]
assert (result) == [":`Activity`", ["Activity"], "location", "String", False]
result = list(
execute_and_fetch_all(
@ -439,7 +439,7 @@ def test_node_type_properties1():
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)[1]
)
assert (result) == [":`Activity`", ["Activity"], "name", ["String"], True]
assert (result) == [":`Activity`", ["Activity"], "name", "String", False]
result = list(
execute_and_fetch_all(
@ -447,7 +447,7 @@ def test_node_type_properties1():
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)[2]
)
assert (result) == [":`Dog`", ["Dog"], "name", ["String"], True]
assert (result) == [":`Dog`", ["Dog"], "name", "String", False]
result = list(
execute_and_fetch_all(
@ -455,7 +455,81 @@ def test_node_type_properties1():
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)[3]
)
assert (result) == [":`Dog`", ["Dog"], "owner", ["String"], True]
assert (result) == [":`Dog`", ["Dog"], "owner", "String", False]
def test_node_type_properties2():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (d:MyNode)
CREATE (n:MyNode)
""",
)
result = execute_and_fetch_all(
cursor,
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)
assert (list(result[0])) == [":`MyNode`", ["MyNode"], "", "", False]
assert (result.__len__()) == 1
def test_node_type_properties3():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (d:Dog {name: 'Rex', owner: 'Carl'})
CREATE (n:Dog)
""",
)
result = execute_and_fetch_all(
cursor,
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)
assert (list(result[0])) == [":`Dog`", ["Dog"], "name", "String", False]
assert (list(result[1])) == [":`Dog`", ["Dog"], "owner", "String", False]
assert (result.__len__()) == 2
def test_node_type_properties4():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (n:Label1:Label2 {property1: 'value1', property2: 'value2'})
CREATE (m:Label2:Label1 {property3: 'value3'})
""",
)
result = list(
execute_and_fetch_all(
cursor,
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)
)
assert (list(result[0])) == [":`Label1`:`Label2`", ["Label1", "Label2"], "property1", "String", False]
assert (list(result[1])) == [":`Label1`:`Label2`", ["Label1", "Label2"], "property2", "String", False]
assert (list(result[2])) == [":`Label1`:`Label2`", ["Label1", "Label2"], "property3", "String", False]
assert (result.__len__()) == 3
def test_node_type_properties5():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (d:Dog {name: 'Rex'})
""",
)
result = execute_and_fetch_all(
cursor,
f"CALL libschema.node_type_properties() YIELD nodeType, nodeLabels, propertyName, propertyTypes , mandatory RETURN nodeType, nodeLabels, propertyName, propertyTypes , mandatory ORDER BY propertyName, nodeLabels[0];",
)
assert (list(result[0])) == [":`Dog`", ["Dog"], "name", "String", True]
assert (result.__len__()) == 1
def test_rel_type_properties1():
@ -473,5 +547,38 @@ def test_rel_type_properties1():
assert (result) == [":`LOVES`", "", "", False]
def test_rel_type_properties2():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (d:Dog {name: 'Rex', owner: 'Carl'})-[l:LOVES]->(a:Activity {name: 'Running', location: 'Zadar'})
CREATE (n:Dog {name: 'Simba', owner: 'Lucy'})-[j:LOVES {duration: 30}]->(b:Activity {name: 'Running', location: 'Zadar'})
""",
)
result = execute_and_fetch_all(
cursor,
f"CALL libschema.rel_type_properties() YIELD relType,propertyName, propertyTypes , mandatory RETURN relType, propertyName, propertyTypes , mandatory;",
)
assert (list(result[0])) == [":`LOVES`", "duration", "Int", False]
assert (result.__len__()) == 1
def test_rel_type_properties3():
cursor = connect().cursor()
execute_and_fetch_all(
cursor,
"""
CREATE (n:Dog {name: 'Simba', owner: 'Lucy'})-[j:LOVES {duration: 30}]->(b:Activity {name: 'Running', location: 'Zadar'})
""",
)
result = execute_and_fetch_all(
cursor,
f"CALL libschema.rel_type_properties() YIELD relType,propertyName, propertyTypes , mandatory RETURN relType, propertyName, propertyTypes , mandatory;",
)
assert (list(result[0])) == [":`LOVES`", "duration", "Int", True]
assert (result.__len__()) == 1
if __name__ == "__main__":
sys.exit(pytest.main([__file__, "-rA"]))