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https://issues.apache.org/jira/browse/SPARK-13996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15200946#comment-15200946
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Apache Spark commented on SPARK-13996:
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User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/11810
> Add more not null attributes for Filter codegen
> -----------------------------------------------
>
> Key: SPARK-13996
> URL: https://issues.apache.org/jira/browse/SPARK-13996
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Liang-Chi Hsieh
>
> Filter codegen finds the attributes not null by checking IsNotNull(a)
> expression with a condition {{if child.output.contains(a)}}. However, the
> current approach to checking it is not comprehensive. We can improve it.
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