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https://issues.apache.org/jira/browse/SPARK-11150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16635349#comment-16635349
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Dani Rubio commented on SPARK-11150:
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I would edit it, as I am specifically interested in the case you describe.
> Dynamic partition pruning
> -------------------------
>
> Key: SPARK-11150
> URL: https://issues.apache.org/jira/browse/SPARK-11150
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 1.5.1, 1.6.0, 2.0.0, 2.1.2, 2.2.1, 2.3.0
> Reporter: Younes
> Priority: Major
>
> Partitions are not pruned when joined on the partition columns.
> This is the same issue as HIVE-9152.
> Ex:
> Select .... from tab where partcol=1 will prune on value 1
> Select .... from tab join dim on (dim.partcol=tab.partcol) where
> dim.partcol=1 will scan all partitions.
> Tables are based on parquets.
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