cristof commented on code in PR #142:
URL: https://github.com/apache/openjpa/pull/142#discussion_r3182926063
##########
openjpa-persistence/src/main/java/org/apache/openjpa/persistence/QueryImpl.java:
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@@ -694,7 +694,20 @@ public String toString() {
@Override
public X getSingleResultOrNull() {
- throw new UnsupportedOperationException("Not yet implemented (JPA
3.2)");
+ _em.assertNotCloseInvoked();
+ setHint(QueryHints.HINT_RESULT_COUNT, 1);
+ boolean queryFetchPlanUsed = pushQueryFetchPlan();
Review Comment:
You should add a max result of 2 here, so getResultList() avoids retrieving
more than two items form db.
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