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https://issues.apache.org/jira/browse/FLINK-19949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17225244#comment-17225244
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Danny Chen commented on FLINK-19949:
------------------------------------
Yes, but the unicode has poor usability. As a user, there would bring in
confusion when the same DDL works in the Java code but fails when written in a
file.
And the unescape way does not cause any regression.
> Unescape CSV format line delimiter character
> --------------------------------------------
>
> Key: FLINK-19949
> URL: https://issues.apache.org/jira/browse/FLINK-19949
> Project: Flink
> Issue Type: Improvement
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Affects Versions: 1.11.2
> Reporter: Danny Chen
> Priority: Major
> Fix For: 1.12.0
>
>
> We should unescape the line delimiter characters first because the DDL can be
> read from a file. So that the new line "\n" in the DDL options was recognized
> as 2 characters.
> While what user want is actually the invisible new line character.
> {code:sql}
> create table t1(
> ...
> ) with (
> 'format' = 'csv',
> 'csv.line-delimiter' = '\n'
> ...
> )
> {code}
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