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From zu...@apache.org
Subject [07/50] [abbrv] incubator-quickstep git commit: Change default aggregate_hashtable_type from LinearOpenAddressing to SeparateChaining
Date Fri, 27 May 2016 03:22:58 GMT
Change default aggregate_hashtable_type from LinearOpenAddressing to SeparateChaining


Project: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/commit/41cea5d4
Tree: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/tree/41cea5d4
Diff: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/diff/41cea5d4

Branch: refs/heads/change-aggregation-hashtable
Commit: 41cea5d44a9abc1cca16b07556db9eb8b4f90c79
Parents: 456b434
Author: Jianqiao Zhu <jianqiao@cs.wisc.edu>
Authored: Wed May 4 12:53:32 2016 -0500
Committer: Jianqiao Zhu <jianqiao@cs.wisc.edu>
Committed: Wed May 4 12:53:32 2016 -0500

----------------------------------------------------------------------
 query_optimizer/ExecutionGenerator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/41cea5d4/query_optimizer/ExecutionGenerator.cpp
----------------------------------------------------------------------
diff --git a/query_optimizer/ExecutionGenerator.cpp b/query_optimizer/ExecutionGenerator.cpp
index c34f084..3698701 100644
--- a/query_optimizer/ExecutionGenerator.cpp
+++ b/query_optimizer/ExecutionGenerator.cpp
@@ -135,7 +135,7 @@ static const volatile bool join_hashtable_type_dummy
     = gflags::RegisterFlagValidator(&FLAGS_join_hashtable_type,
                                     &ValidateHashTableImplTypeString);
 
-DEFINE_string(aggregate_hashtable_type, "LinearOpenAddressing",
+DEFINE_string(aggregate_hashtable_type, "SeparateChaining",
               "HashTable implementation to use for aggregates with GROUP BY "
               "(valid options are SeparateChaining or LinearOpenAddressing)");
 static const volatile bool aggregate_hashtable_type_dummy


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