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Posted to dev@tajo.apache.org by "DaeMyung Kang (JIRA)" <ji...@apache.org> on 2013/12/03 01:18:36 UTC

[jira] [Updated] (TAJO-206) Implement SQL Standard String Functions

     [ https://issues.apache.org/jira/browse/TAJO-206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

DaeMyung Kang updated TAJO-206:
-------------------------------

    Attachment: TAJO-357.patch

Just change filename

> Implement SQL Standard String Functions
> ---------------------------------------
>
>                 Key: TAJO-206
>                 URL: https://issues.apache.org/jira/browse/TAJO-206
>             Project: Tajo
>          Issue Type: New Feature
>          Components: operator/function/udf
>            Reporter: Hyunsik Choi
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-357.patch
>
>
> SQL standard provides various string operators and functions:
>  * String concatenation ('||')
>  * bit_length
>  * char_length or 
>  * lower
>  * position
>  * substring
>  * trim
>  * upper
> We also need to include these standard functions.



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