Takeshi Yamamuro created SPARK-33036:
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Summary: Refactor RewriteCorrelatedScalarSubquery code to replace
exprIds in a bottom-up manner
Key: SPARK-33036
URL: https://issues.apache.org/jira/browse/SPARK-33036
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.0
Reporter: Takeshi Yamamuro
This PR aims at refactoring code in `RewriteCorrelatedScalarSubquery` for
replacing `ExprId`s in a bottom-up manner instead of doing in a top-down one.
This PR comes from the talk with @cloud-fan in
https://github.com/apache/spark/pull/29585#discussion_r490371252.
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