Hello Marcel Kornacker,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/2418
to look at the new patch set (#2).
Change subject: Improve the SQL for nested TPCH-Q18.
......................................................................
Improve the SQL for nested TPCH-Q18.
Marcel spotted that nested TPCH-Q18 can be expressed with
more efficient SQL.
Results on nested TPCH-300:
Before 160s
After 100s
Change-Id: I8b351b7f467e8bef0c256dc43cea325d7f177edf
---
M testdata/workloads/functional-planner/queries/PlannerTest/tpch-nested.test
M testdata/workloads/tpch_nested/queries/tpch-q18.test
2 files changed, 23 insertions(+), 59 deletions(-)
git pull ssh://gerrit.cloudera.org:29418/Impala refs/changes/18/2418/2
--
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I8b351b7f467e8bef0c256dc43cea325d7f177edf
Gerrit-PatchSet: 2
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Alex Behm <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
