-
- Downloads
[SPARK-5642] [SQL] Apply column pruning on unused aggregation fields
select k from (select key k, max(value) v from src group by k) t Author: Daoyuan Wang <daoyuan.wang@intel.com> Author: Michael Armbrust <michael@databricks.com> Closes #4415 from adrian-wang/groupprune and squashes the following commits: 5d2d8a3 [Daoyuan Wang] address Michael's comments 61f8ef7 [Daoyuan Wang] add a unit test 80ddcc6 [Daoyuan Wang] keep project b69d385 [Daoyuan Wang] add a prune rule for grouping set
Showing
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala 9 additions, 0 deletions...a/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala 35 additions, 2 deletions...he/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala
Loading
Please register or sign in to comment