[WIP][SPARK-52622][PS] Avoid CAST_INVALID_INPUT of DataFrame.melt in ANSI mode
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xinrong-meng
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DataFrame.melt in ANSI modeDataFrame.melt in ANSI mode
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What changes were proposed in this pull request?
Avoid CAST_INVALID_INPUT of
DataFrame.meltin ANSI modeWhy are the changes needed?
Ensure pandas on Spark works well with ANSI mode on.
Part of https://issues.apache.org/jira/browse/SPARK-52556.
Does this PR introduce any user-facing change?
Yes,
DataFrame.meltwork well with ANSIHow was this patch tested?
Unit tests
Was this patch authored or co-authored using generative AI tooling?
No