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https://issues.apache.org/jira/browse/FLINK-9970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16593385#comment-16593385
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ASF GitHub Bot commented on FLINK-9970:
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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 & 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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