Davies Liu 9cdd867da9 [SPARK-13373] [SQL] generate sort merge join ... ## What changes were proposed in this pull request? Generates code for SortMergeJoin. ## How was the this patch tested? Unit tests and manually tested with TPCDS Q72, which showed 70% performance improvements (from 42s to 25s), but micro benchmark only show minor improvements, it may depends the distribution of data and number of columns. Author: Davies Liu <davies@databricks.com> Closes #11248 from davies/gen_smj.		2016-02-23 15:00:10 -08:00
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compatibility/src/test/scala/org/apache/spark/sql/hive/execution	[SPARK-12706] [SQL] grouping() and grouping_id()	2016-02-10 20:13:38 -08:00
src	[SPARK-13373] [SQL] generate sort merge join	2016-02-23 15:00:10 -08:00
pom.xml	[SPARK-11624][SPARK-11972][SQL] fix commands that need hive to exec	2016-02-22 18:13:32 -08:00