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https://issues.apache.org/jira/browse/SPARK-23624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16390761#comment-16390761
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Apache Spark commented on SPARK-23624:
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User 'gengliangwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/20769
> Revise doc of method pushFilters
> --------------------------------
>
> Key: SPARK-23624
> URL: https://issues.apache.org/jira/browse/SPARK-23624
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Gengliang Wang
> Priority: Major
>
> Revise doc of method pushFilters in
> SupportsPushDownFilters/SupportsPushDownCatalystFilters
> In `FileSourceStrategy`, except `partitionKeyFilters`(the references of
> which is subset of partition keys), all filters needs to be evaluated after
> scanning. Otherwise, Spark will get wrong result from data sources like
> Orc/Parquet.
>
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