ulysses-you commented on a change in pull request #30029:
URL: https://github.com/apache/spark/pull/30029#discussion_r504524266
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -646,9 +646,9 @@ class Analyzer(
// Since the exprId of extraAggExprs will be changed in the
constructed aggregate, and the
// aggregateExpressions keeps the input order. So here we build an
exprMap to resolve the
// condition again.
- val exprMap = extraAggExprs.zip(
- newChild.asInstanceOf[Aggregate].aggregateExpressions.takeRight(
- extraAggExprs.length)).toMap
+ // We also add the original aggregateExpressions in Map to avoid
extraAggExprs is empty.
Review comment:
The comment is right if we not return the resolved having condition when
`exprMap` is empty.
This pr break the behavior that return it. If we not add the original
aggregateExpressions, we can't mapping the resolved having condition since
`exprMap` is empty.
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