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From "sunjincheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-6892) Add L/RPAD supported in SQL
Date Thu, 15 Jun 2017 05:24:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

sunjincheng updated FLINK-6892:
-------------------------------
    Description: 
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]

  was:
LPAD(str,len,padstr) Returns the string str, left-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'

* See more:
** [MySQL| https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_lpad]


> 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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