[jira] [Commented] (TAJO-381) Implement find_in_set function

["Hyunsik Choi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13858050#comment-13858050 ] 

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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