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https://issues.apache.org/jira/browse/FLINK-9970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558472#comment-16558472
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ASF GitHub Bot commented on FLINK-9970:
---------------------------------------
twalthr commented on a change in pull request #6432: [FLINK-9970] Add ASCII
function for table/sql API
URL: https://github.com/apache/flink/pull/6432#discussion_r205511437
##########
File path: docs/dev/table/tableApi.md
##########
@@ -2477,6 +2477,17 @@ STRING.rpad(len INT, pad STRING)
<tr>
<td>
{% highlight java %}
+STRING.ascii()
+{% endhighlight %}
+ </td>
+
+ <td>
+ <p>Returns the numeric value of the leftmost character of the string
str. Returns 0 if str is the empty string. Returns NULL if str is NULL. E.g.
"THIS".fromBase64() returns "84".</p>
Review comment:
Base64 does not belong here.
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> Add ASCII function for table/sql API
> ------------------------------------
>
> Key: FLINK-9970
> URL: https://issues.apache.org/jira/browse/FLINK-9970
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: vinoyang
> Assignee: vinoyang
> Priority: Minor
> Labels: pull-request-available
>
> refer to :
> https://dev.mysql.com/doc/refman/8.0/en/string-functions.html#function_ascii
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