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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/09/01 16:32:00 UTC
[jira] [Commented] (SPARK-25305) Respect attribute name in
`CollapseProject`
[ https://issues.apache.org/jira/browse/SPARK-25305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16599665#comment-16599665 ]
Apache Spark commented on SPARK-25305:
--------------------------------------
User 'gengliangwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/22311
> Respect attribute name in `CollapseProject`
> -------------------------------------------
>
> Key: SPARK-25305
> URL: https://issues.apache.org/jira/browse/SPARK-25305
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Gengliang Wang
> Priority: Major
>
> Currently in optimizer rule `CollapseProject`, the lower level project is collapsed into upper level, but the naming of alias in lower level is propagated in upper level.
> We should reserve all the output names in upper level.
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