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https://issues.apache.org/jira/browse/FLINK-9970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16558469#comment-16558469
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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_r205511726
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala
##########
@@ -544,6 +544,12 @@ trait ImplicitExpressionOperations {
def overlay(newString: Expression, starting: Expression, length: Expression)
=
Overlay(expr, newString, starting, length)
+ /**
+ * Returns the numeric value of the leftmost character of the string str.
Review comment:
Which `str`? You mean the `the given expression` please see other docs for
the format that we use.
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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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