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https://issues.apache.org/jira/browse/FLINK-9970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17064748#comment-17064748
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Jark Wu commented on FLINK-9970:
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Hi [~tison], I found that these functions have not been supported for Table
API. So I updated the title.
> Add ASCII/CHR function for Table API
> ------------------------------------
>
> Key: FLINK-9970
> URL: https://issues.apache.org/jira/browse/FLINK-9970
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> 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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