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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/08/03 03:27:00 UTC
[jira] [Resolved] (SPARK-32509) Unused DPP Filter causes issue in
canonicalization and prevents reuse exchange
[ https://issues.apache.org/jira/browse/SPARK-32509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan resolved SPARK-32509.
---------------------------------
Fix Version/s: 3.1.0
3.0.1
Resolution: Fixed
Issue resolved by pull request 29318
[https://github.com/apache/spark/pull/29318]
> Unused DPP Filter causes issue in canonicalization and prevents reuse exchange
> ------------------------------------------------------------------------------
>
> Key: SPARK-32509
> URL: https://issues.apache.org/jira/browse/SPARK-32509
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0, 3.0.1, 3.1.0
> Reporter: Prakhar Jain
> Assignee: Prakhar Jain
> Priority: Major
> Fix For: 3.0.1, 3.1.0
>
>
> As part of PlanDynamicPruningFilter rule, the unused DPP Filter are simply replaced by `DynamicPruningExpression(TrueLiteral)` so that they can be avoided. But these unnecessary`DynamicPruningExpression(TrueLiteral)` partition filter inside the FileSourceScanExec affects the canonicalization of the node and so in many cases, this can prevent ReuseExchange from happening.
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