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Posted to commits@quickstep.apache.org by zu...@apache.org on 2017/03/04 11:19:21 UTC
[4/5] incubator-quickstep git commit: Disabled LIP in the distributed
version.
Disabled LIP in the distributed version.
Project: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/commit/fa4ebfdc
Tree: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/tree/fa4ebfdc
Diff: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/diff/fa4ebfdc
Branch: refs/heads/dist-patch
Commit: fa4ebfdc9927c7c8ebba97c50dc177d230e91139
Parents: 3615ba1
Author: Zuyu Zhang <zu...@apache.org>
Authored: Sun Feb 12 17:48:53 2017 -0800
Committer: Zuyu Zhang <zu...@apache.org>
Committed: Sat Mar 4 03:19:02 2017 -0800
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query_optimizer/PhysicalGenerator.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/fa4ebfdc/query_optimizer/PhysicalGenerator.cpp
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diff --git a/query_optimizer/PhysicalGenerator.cpp b/query_optimizer/PhysicalGenerator.cpp
index ac51c31..ca6db3f 100644
--- a/query_optimizer/PhysicalGenerator.cpp
+++ b/query_optimizer/PhysicalGenerator.cpp
@@ -59,7 +59,7 @@ DEFINE_bool(reorder_hash_joins, true,
"cardinality and selective tables to be joined first, which is suitable "
"for queries on star-schema tables.");
-DEFINE_bool(use_filter_joins, true,
+DEFINE_bool(use_filter_joins, false,
"If true, apply an optimization that strength-reduces HashJoins to "
"FilterJoins (implemented as LIPFilters attached to some anchoring "
"operators. Briefly speaking, in the case that the join attribute has "
@@ -67,7 +67,7 @@ DEFINE_bool(use_filter_joins, true,
"build a BitVector on the build-side attribute and use the BitVector "
"to filter the probe side table.");
-DEFINE_bool(use_lip_filters, true,
+DEFINE_bool(use_lip_filters, false,
"If true, use LIP (Lookahead Information Passing) filters to accelerate "
"query processing. LIP filters are effective for queries on star schema "
"tables (e.g. the SSB benchmark) and snowflake schema tables (e.g. the "