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https://issues.apache.org/jira/browse/SPARK-13839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13839:
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Assignee: Apache Spark
> Defer input evaluation and fix Cast issue in IsNotNull filtering for Filter
> codegen
> -----------------------------------------------------------------------------------
>
> Key: SPARK-13839
> URL: https://issues.apache.org/jira/browse/SPARK-13839
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Assignee: Apache Spark
>
> After #11585, we filter out the rows early if it have null value. So we can
> only evaluate the inputs used in these filtering before this plan. The
> evaluation of other inputs can be deferred after the filtering done.
> Besides, currently we check IsNotNull(a) to find the attributes needed to
> filter out null values. However, the expression IsNotNull(Cast(a, dt)) will
> not be checked by this. We should add pattern to find this.
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