[jira] [Created] (FLINK-19949) Unescape CSV format line delimiter character

[Shang Yuanchun (Jira)]

Danny Chen created FLINK-19949:
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             Summary: 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
             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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