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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6892) Add L/RPAD supported in SQL
Date Thu, 15 Jun 2017 05:31:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16050011#comment-16050011
] 

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

GitHub user sunjincheng121 opened a pull request:

    https://github.com/apache/flink/pull/4127

    [FLINK-6892][table]Add L/RPAD supported in SQL

    In this PR. have Add L/RPAD supported in SQL,For Example:
    ```
    LPAD('hi',4,'??') -> '??hi'
    LPAD('hi',1,'??') -> 'h'
    RPAD('hi',4,'') -> 'hi'
    RPAD('hi',1,'??') -> 'h'
    ```
    - [x] General
      - The pull request references the related JIRA issue ("[FLINK-XXX] Jira title text")
      - The pull request addresses only one issue
      - Each commit in the PR has a meaningful commit message (including the JIRA id)
    
    - [ ] Documentation
      - Documentation has been added for new functionality
      - Old documentation affected by the pull request has been updated
      - JavaDoc for public methods has been added
    
    - [x] Tests & Build
      - Functionality added by the pull request is covered by tests
      - `mvn clean verify` has been executed successfully locally or a Travis build has passed


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sunjincheng121/flink FLINK-6892-PR

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/4127.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4127
    
----
commit ea7006b6ab5cb6ead8d3f2a2b4d5fc2686454a9a
Author: sunjincheng121 <sunjincheng121@gmail.com>
Date:   2017-06-15T05:23:32Z

    [FLINK-6892][table]Add L/RPAD supported in SQL

----


> 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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