VGalaxies commented on code in PR #2662:
URL:
https://github.com/apache/incubator-hugegraph/pull/2662#discussion_r1756108423
##########
hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/backend/tx/GraphTransaction.java:
##########
@@ -1044,6 +1049,35 @@ public Iterator<Edge> queryEdges(Query query) {
protected Iterator<HugeEdge> queryEdgesFromBackend(Query query) {
assert query.resultType().isEdge();
+ if (query instanceof ConditionQuery) {
+ boolean supportIn =
this.storeFeatures().supportsQueryWithInCondition();
+ Stream<ConditionQuery> flattenedQueries =
ConditionQueryFlatten.flatten((ConditionQuery) query, supportIn).stream();
+
+ Stream<Iterator<HugeEdge>> edgeIterators = flattenedQueries.map(cq
-> {
+ Id label = cq.condition(HugeKeys.LABEL);
+ if (label != null &&
+ graph().edgeLabel(label).isFather() &&
+ cq.condition(HugeKeys.SUB_LABEL) == null &&
+ cq.condition(HugeKeys.OWNER_VERTEX) != null &&
+ cq.condition(HugeKeys.DIRECTION) != null &&
+ matchEdgeSortKeys(cq, false, this.graph())) {
+ // g.V("V.id").outE("parentLabel").has("sortKey","value")
+ return parentElQueryWithSortKeys(
+ graph().edgeLabel(label), graph().edgeLabels(),
cq);
+ } else {
+ return queryEdgesFromBackendInternal(cq);
+ }
+ });
+
+ return
edgeIterators.reduce(Iterators::concat).orElse(Collections.emptyIterator());
+ }
+
+ return queryEdgesFromBackendInternal(query);
+ }
Review Comment:
because of #1737
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