wq352400523 commented on code in PR #3379:
URL: https://github.com/apache/calcite/pull/3379#discussion_r1335198726
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core/src/main/java/org/apache/calcite/rel/rules/LoptOptimizeJoinRule.java:
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@@ -2071,12 +2071,12 @@ private static boolean
areSelfJoinKeysUnique(RelMetadataQuery mq,
for (IntPair pair : joinInfo.pairs()) {
final RelColumnOrigin leftOrigin =
mq.getColumnOrigin(leftRel, pair.source);
- if (leftOrigin == null || !leftOrigin.isDerived()) {
Review Comment:
Update the code, thanks
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