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Posted to issues@spark.apache.org by "Ke Jia (JIRA)" <ji...@apache.org> on 2019/01/16 07:40:00 UTC
[jira] [Comment Edited] (SPARK-16958) Reuse subqueries within
single query
[ https://issues.apache.org/jira/browse/SPARK-16958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16743720#comment-16743720 ]
Ke Jia edited comment on SPARK-16958 at 1/16/19 7:39 AM:
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[~davies] hi, I left some comments inĀ [https://github.com/apache/spark/pull/14548]. Can you help to verify whether the subquery is reused or not? Thanks for your help!
was (Author: jk_self):
[~davies] hi, I left some comments in the PR[l14548|[https://github.com/apache/spark/pull/14548]]. Can you help to verify whether the subquery is reused or not? Thanks for your help!
> Reuse subqueries within single query
> ------------------------------------
>
> Key: SPARK-16958
> URL: https://issues.apache.org/jira/browse/SPARK-16958
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Davies Liu
> Assignee: Davies Liu
> Priority: Major
> Fix For: 2.1.0
>
>
> There could be same subquery within a single query, we could reuse the result without running it multiple times.
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