AndrewKL opened a new pull request #26511: [SPARK-29886][SQL] Add support for spark style hash patitioning to v2 data sources URL: https://github.com/apache/spark/pull/26511 https://issues.apache.org/jira/browse/SPARK-29886 WARNING: this is a preview of a potential way in which to add spark style hash partitioning to v2 datasources. ### What changes were proposed in this pull request? Adds support for spark style hash partitioning to v2 datasources which allows for bucket joins. Adds concrete classes that are usable by users to define this type of partitioning. ### Why are the changes needed? ### Does this PR introduce any user-facing change? Yes this adds a concrerte implementation of v2 datasource partitioning and cluster so that users can specify spark style hash partitioning. ### How was this patch tested? Unit tests
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