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https://issues.apache.org/jira/browse/SPARK-17619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15531926#comment-15531926
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Priyanka Garg commented on SPARK-17619:
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By "fully backward compatible" i meant that array_contains will work in the
same way with added functionality of pattern matching.
> To add support for pattern matching in ArrayContains Expression.
> ----------------------------------------------------------------
>
> Key: SPARK-17619
> URL: https://issues.apache.org/jira/browse/SPARK-17619
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Priyanka Garg
>
> To add support for pattern matching in ArrayContains Expression.
> Array Contains currently only matches the exact value as of now... there
> should be support for pattern matching as well.
> For eg. arrayContains(Seq("\\d*", "\\s*"), "100") returns true.
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