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https://issues.apache.org/jira/browse/TAJO-381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13858050#comment-13858050
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Hyunsik Choi commented on TAJO-381:
-----------------------------------
+1
That's nice work. I've changed the issue title for more explanation. In
addition, I added more unit tests for find_in_set function. Thank you guys for
your contribution and the reviews.
> Implement find_in_set function
> ------------------------------
>
> Key: TAJO-381
> URL: https://issues.apache.org/jira/browse/TAJO-381
> Project: Tajo
> Issue Type: Improvement
> Reporter: Jae Young Lee
> Assignee: Jae Young Lee
> Priority: Minor
> Attachments: TAJO-381.2.patch, TAJO-381.patch
>
>
> find_in_set(str,str_array) - Returns the first occurrence of str in str_array
> where str_array is a comma-delimited string.
> Returns null if either argument is null. Returns 0 if the first argument has
> any commas.
> Example:
> "select find_in_set('cr','crt,c,cr,c,def') as col1 "
> -> result: 3
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