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https://issues.apache.org/jira/browse/SPARK-61206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-61206:
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Fix Version/s: connect-rust-4.3.0
> DataType::to_ddl writes the backslashes of a field comment unescaped
> --------------------------------------------------------------------
>
> Key: SPARK-61206
> URL: https://issues.apache.org/jira/browse/SPARK-61206
> Project: Spark
> Issue Type: Bug
> Components: Connect
> Affects Versions: connect-rust-4.3.0
> Reporter: Hyukjin Kwon
> Priority: Major
> Fix For: connect-rust-4.3.0
>
>
> DataType::to_ddl escapes the single quotes of a COMMENT but not its
> backslashes, so the server's DDL parser reads an escape sequence from them. A
> comment a\b comes back as a plus a backspace character, and a trailing
> backslash or a backslash before a quote breaks the literal. Spark's DDL
> escapes the backslashes first, then the quotes, and the official
> StructType.toDDL writes 'a\\b' for this comment and reads back a\b.
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