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https://issues.apache.org/jira/browse/FLINK-14364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16952878#comment-16952878
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Timo Walther commented on FLINK-14364:
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[~lzljs3620320] I just saw that this is actually intended behavior. See the
JavaDocs of {{org.apache.flink.table.descriptors.Csv#allowComments}}. But I'm
fine with implementing this nicer.
> Allow comments fail when not ignore parse errors in
> CsvRowDeserializationSchema
> -------------------------------------------------------------------------------
>
> Key: FLINK-14364
> URL: https://issues.apache.org/jira/browse/FLINK-14364
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Reporter: Jingsong Lee
> Assignee: Jiayi Liao
> Priority: Major
> Fix For: 1.10.0
>
>
> Use CsvRowDeserializationSchema, when setIgnoreParseErrors(false) and
> setAllowComments(true).
> If there are some comments in msg, will throw MismatchedInputException.
> If this a bug? and we should catch MismatchedInputException and return null?
>
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