Shant Hovsepian has uploaded this change for review. ( 
http://gerrit.cloudera.org:8080/16350


Change subject: IMPALA-10099: Push down DISTINCT for SetOperations
......................................................................

IMPALA-10099: Push down DISTINCT for SetOperations

Testing:
 * TpcdsPlannerTest
 * TPC-DS 30TB Perf run for any affected queries
   - Q14-1 180s -> 150s
   - Q14-2 109s -> 90s
   - Q8 no significant change
 * SetOperation Planner Tests
 * Analyzer tests
 * Tpcds Functional Workload

Change-Id: Ia248f1595df2ab48fbe70c778c7c32bde5c518a5
---
M fe/src/main/java/org/apache/impala/analysis/StmtRewriter.java
M 
testdata/workloads/functional-planner/queries/PlannerTest/setoperation-rewrite.test
M testdata/workloads/functional-planner/queries/PlannerTest/tpcds/tpcds-q08.test
M 
testdata/workloads/functional-planner/queries/PlannerTest/tpcds/tpcds-q14a.test
M 
testdata/workloads/functional-planner/queries/PlannerTest/tpcds/tpcds-q14b.test
5 files changed, 1,787 insertions(+), 1,788 deletions(-)



  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/50/16350/1
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ia248f1595df2ab48fbe70c778c7c32bde5c518a5
Gerrit-Change-Number: 16350
Gerrit-PatchSet: 1
Gerrit-Owner: Shant Hovsepian <[email protected]>

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