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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/02/10 14:44:00 UTC
[jira] [Assigned] (SPARK-38177) Fix wrong transformExpressions in Optimizer
[ https://issues.apache.org/jira/browse/SPARK-38177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-38177:
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Assignee: (was: Apache Spark)
> Fix wrong transformExpressions in Optimizer
> -------------------------------------------
>
> Key: SPARK-38177
> URL: https://issues.apache.org/jira/browse/SPARK-38177
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: XiDuo You
> Priority: Major
>
> `transformExpressions` can only traverse all expressions in this current query plan, so the rule `EliminateDistinct` and `EliminateAggregateFilter` can not optimize the non-root node. We should use `transformAllExpressions` rather than `transformExpressions`.
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