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https://issues.apache.org/jira/browse/FLINK-10222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16610790#comment-16610790
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ASF GitHub Bot commented on FLINK-10222:
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yanghua commented on issue #6622: [FLINK-10222] [table] Table scalar function
expression parses error when function name equals the exists keyword suffix
URL: https://github.com/apache/flink/pull/6622#issuecomment-420313214
@xccui and @hequn8128 Can you help to review this PR? It blocks ASCII scalar
function because `ASCII` is the prefix of the `ASC` (which is sql keyword
suffix of `ORDER BY`)
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> Table scalar function expression parses error when function name equals the
> exists keyword suffix
> -------------------------------------------------------------------------------------------------
>
> Key: FLINK-10222
> URL: https://issues.apache.org/jira/browse/FLINK-10222
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Reporter: vinoyang
> Priority: Major
> Labels: pull-request-available
>
> Suffix extraction in ExpressionParser.scala does not actually support
> extraction of keywords with the same prefix. For example: Adding suffix
> parsing rules for {{a.fun}} and {{a.function}} simultaneously will causes
> exceptions.
> some discussion :
> [https://github.com/apache/flink/pull/6432#issuecomment-416127815]
> https://github.com/apache/flink/pull/6585#discussion_r212797015
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