Himadri Pal

Add support for providing output-spec-id during rewrite - spark 3.5

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#7557 Support Rewrite Datafiles into a custom Partition Spec

[SPARK-47094][SQL] SPJ : fix bucket reducer function

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### What changes were proposed in this pull request? SPJ compatible bucket issue has an implementation of reducible function. This patch fixes the implementation and make it same as in...