[SPARK-59057][SQL] Make KeyedPartitioning.isNarrowed mean actual key collapse, and rename it to isCollapsed - #58351

[SPARK-59057][SQL] Make KeyedPartitioning.isNarrowed mean actual key collapse, and rename it to isCollapsed#58351

peter-toth wants to merge 4 commits into

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peter-toth:SPARK-59057-collapse-semanticspeter-toth/spark:SPARK-59057-collapse-semanticsCopy head branch name to clipboard