[SPARK-18395][SQL] Evaluate common subexpression like lazy variable with a function approach#15837
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viirya wants to merge 5 commits intoapache:masterfrom
Closed
[SPARK-18395][SQL] Evaluate common subexpression like lazy variable with a function approach#15837viirya wants to merge 5 commits intoapache:masterfrom
viirya wants to merge 5 commits intoapache:masterfrom
