[SPARK-17098][SQL] Fix NullPropagation optimizer to handle COUNT(NULL) OVER correctly#14689
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dongjoon-hyun wants to merge 2 commits into
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[SPARK-17098][SQL] Fix NullPropagation optimizer to handle COUNT(NULL) OVER correctly#14689dongjoon-hyun wants to merge 2 commits into
NullPropagation optimizer to handle COUNT(NULL) OVER correctly#14689dongjoon-hyun wants to merge 2 commits into