zhengruifeng opened a new pull request, #48516: URL: https://github.com/apache/spark/pull/48516
### What changes were proposed in this pull request? Avoid unnecessary operations in `attach_distributed_sequence_column` ### Why are the changes needed? 1, `attach_distributed_sequence_column` always needs `sdf.columns`, which may trigger an analysis task in Spark Connect if the `sdf.schema` has not been cached; 2, for zero columns dataframe, it trigger `sdf.count` which seems redundant; ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? added ut ### Was this patch authored or co-authored using generative AI tooling? no -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
