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https://issues.apache.org/jira/browse/SPARK-20290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15964032#comment-15964032
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Apache Spark commented on SPARK-20290:
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User 'zero323' has created a pull request for this issue:
https://github.com/apache/spark/pull/17605
> PySpark Column should provide eqNullSafe
> ----------------------------------------
>
> Key: SPARK-20290
> URL: https://issues.apache.org/jira/browse/SPARK-20290
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, SQL
> Affects Versions: 2.0.0, 2.1.0, 2.2.0
> Reporter: Maciej Szymkiewicz
> Priority: Minor
>
> NULL safe equality operators are missing from PySpark and {{(a == b) |
> (a.isNull & b.isNull)}} creates a suboptimal execution plan.
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