[jira] [Resolved] (TAJO-342) Implement strpos(string, substring) function

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

     [ https://issues.apache.org/jira/browse/TAJO-342?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyunsik Choi resolved TAJO-342.
-------------------------------

    Resolution: Fixed

I've committed it to master. Thanks.

> Implement strpos(string, substring) function
> --------------------------------------------
>
>                 Key: TAJO-342
>                 URL: https://issues.apache.org/jira/browse/TAJO-342
>             Project: Tajo
>          Issue Type: New Feature
>          Components: operator/function/udf
>            Reporter: Hyunsik Choi
>            Assignee: hyoungjunkim
>            Priority: Minor
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-342.patch, TAJO-342_2.patch
>
>
> h3. Function Definition
> {code}
> int strpos(string text, substring text)
> {code}
> h3. Description
> This function finds the location of specified substring.
>  * If *string* or *substring* is null, the result should be null.
>  * If *substring* is '', the result should be 1.
>  * If there is no matched *substring*, the result should be 0.
>  * The result is one-based index.
> h3. Example.
> {code}
> hyunsik=> select strpos('tajo','jo');
>  strpos 
> --------
>       3
> (1 row)
> {code}



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