scarlin-cloudera commented on a change in pull request #812: Hive 22324
URL: https://github.com/apache/hive/pull/812#discussion_r338626418
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File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveRelOptUtil.java
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@@ -741,7 +741,7 @@ public static RewritablePKFKJoinInfo
isRewritablePKFKJoin(Join join,
final RelNode nonFkInput = leftInputPotentialFK ? join.getRight() :
join.getLeft();
final RewritablePKFKJoinInfo nonRewritable =
RewritablePKFKJoinInfo.of(false, null);
- if (joinType != JoinRelType.INNER) {
+ if (joinType != JoinRelType.INNER && !join.isSemiJoin()) {
Review comment:
I made a longer comment below in HiveJoinConstraintsRule; this is the only
place it is called, so I need to talk with you before resolving.
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