[jira] [Commented] (TAJO-639) Implements function 'to_char'

["Keuntae Park (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13913803#comment-13913803 ] 

Keuntae Park commented on TAJO-639:
-----------------------------------

[~seungunchoe], I already created the issue to implement to_char as TAJO-637.
If you want to implement the function, please assign TAJO-637 to yourself :)

> Implements function 'to_char'
> -----------------------------
>
>                 Key: TAJO-639
>                 URL: https://issues.apache.org/jira/browse/TAJO-639
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: Seungun Choe
>            Priority: Minor
>
> Tajo has already to_char(timestamp, text)
> But, someone need the others type input parameters.
> to_char(int, text) / convert integer to string / to_char(125, '999')
> to_char(double precision, text) / convert real/double precision to string / to_char(125.8::real, '999D9')
> to_char(numeric, text) / convert numeric to string / to_char(-125.8, '999D99S')
> These are returned text type output parameter.



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