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https://issues.apache.org/jira/browse/SPARK-8244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14611698#comment-14611698
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Apache Spark commented on SPARK-8244:
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User 'tarekauel' has created a pull request for this issue:
https://github.com/apache/spark/pull/7186
> string function: find_in_set
> ----------------------------
>
> Key: SPARK-8244
> URL: https://issues.apache.org/jira/browse/SPARK-8244
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Cheng Hao
> Priority: Minor
>
> find_in_set(string str, string strList): int
> Returns the first occurance of str in strList where strList is a
> comma-delimited string. Returns null if either argument is null. Returns 0 if
> the first argument contains any commas. For example, find_in_set('ab',
> 'abc,b,ab,c,def') returns 3.
> Only add this to SQL, not DataFrame.
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