JingsongLi commented on a change in pull request #16239:
URL: https://github.com/apache/flink/pull/16239#discussion_r659603080
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/logical/TemporalJoinRewriteWithUniqueKeyRule.scala
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@@ -161,12 +161,12 @@ class TemporalJoinRewriteWithUniqueKeyRule extends
RelOptRule(
val rightFields = snapshot.getRowType.getFieldList
val fmq =
FlinkRelMetadataQuery.reuseOrCreate(snapshot.getCluster.getMetadataQuery)
- val uniqueKeySet = fmq.getUniqueKeys(snapshot.getInput())
+ val upsertKeySet = fmq.getUpsertKeys(snapshot.getInput())
Review comment:
But rowtime Deduplicate does not transmit unique keys.
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