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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9970) Add ASCII/CHR function for table/sql API
Date Mon, 27 Aug 2018 09:31:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16593385#comment-16593385
] 

ASF GitHub Bot commented on FLINK-9970:
---------------------------------------

fhueske commented on issue #6432: [FLINK-9970] [table] Add ASCII/CHR function for table/sql
API
URL: https://github.com/apache/flink/pull/6432#issuecomment-416170346
 
 
   This seems to affect multiple (all?) suffix expressions. It is also not possible to use
UDFs in suffix notation which are registered with a name that has a suffix expression as prefix.
   @yanghua, can you open a Jira issue for this problem? Thanks.
   

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> Add ASCII/CHR function for table/sql API
> ----------------------------------------
>
>                 Key: FLINK-9970
>                 URL: https://issues.apache.org/jira/browse/FLINK-9970
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API &amp; SQL
>            Reporter: vinoyang
>            Assignee: vinoyang
>            Priority: Minor
>              Labels: pull-request-available
>
> for ASCII function : 
> refer to : [https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_ascii]
> for CHR function : 
> This function convert ASCII code to a character,
> refer to : [https://doc.ispirer.com/sqlways/Output/SQLWays-1-071.html]
> Considering "CHAR" always is a keyword in many database, so we use "CHR" keyword.



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