[SPARK-13087][SQL] Fix group by function for sort based aggregation #11013
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Test build #50521 has finished for PR 11013 at commit
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Thanks! Merging to master. |
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It is not valid to call
toAttributeon aNamedExpressionunless we know for sure that the child produced thatNamedExpression. The current code worked fine when the grouping expressions were simple, but when they were a derived value this blew up at execution time.