[Backport][SPARK-22141][SQL] Propagate empty relation before checking Cartesian products#19366
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gengliangwang wants to merge 1 commit intoapache:branch-2.2from
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[Backport][SPARK-22141][SQL] Propagate empty relation before checking Cartesian products#19366gengliangwang wants to merge 1 commit intoapache:branch-2.2from
gengliangwang wants to merge 1 commit intoapache:branch-2.2from