[SPARK-11055][SQL] Use mixing hash-based and sort-based aggregation in TungstenAggregationIterator#9067

Closed

viirya wants to merge 4 commits intoapache:masterfrom

viirya:sort-and-hash-tungsten-iterator

Commits on Oct 11, 2015

Use mixing hash-based and sort-based aggregation in TungstenAggregationIterator.
viirya
committed

Commits on Oct 12, 2015

Fix it for failed test.
viirya
committed

Commits on Oct 26, 2015

Merge remote-tracking branch 'upstream/master' into sort-and-hash-tungsten-iterator
viirya
committed
Add a configration for enabling and disabling pre-aggregation.
viirya
committed