[jira] [Updated] (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 updated TAJO-342:
------------------------------

    Priority: Minor  (was: Major)

> 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
>            Priority: Minor
>             Fix For: 0.8-incubating
>
>
> 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}



--
This message was sent by Atlassian JIRA
(v6.1#6144)