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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6892) Add L/RPAD supported in SQL
Date Fri, 23 Jun 2017 14:18:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060962#comment-16060962
] 

ASF GitHub Bot commented on FLINK-6892:
---------------------------------------

Github user sunjincheng121 commented on the issue:

    https://github.com/apache/flink/pull/4127
  
     I'll Rebase code and add doc after FLINK-6960 & FLINK-6925.


> Add L/RPAD supported in SQL
> ---------------------------
>
>                 Key: FLINK-6892
>                 URL: https://issues.apache.org/jira/browse/FLINK-6892
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>    Affects Versions: 1.4.0
>            Reporter: sunjincheng
>            Assignee: sunjincheng
>
> L/RPAD(str,len,padstr) Returns the string str, left/right-padded with the string padstr
to a length of len characters. If str is longer than len, the return value is shortened to
len characters.
> * Syntax:
> LPAD(str,len,padstr) 
> * Arguments
> **str: -
> **len: -
> **padstr: -
> * Return Types
>   String
> * Example:
>   LPAD('hi',4,'??') -> '??hi'
>   LPAD('hi',1,'??') -> 'h'
>   RPAD('hi',4,'??') -> 'hi??'
>   RPAD('hi',1,'??') -> 'h'
> * See more:
> ** [MySQL| https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_lpad]



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