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From "Yingyi Bu (Code Review)" <do-not-re...@asterixdb.incubator.apache.org>
Subject Change in hyracks[master]: ASTERIXDB-221: reduce unneceesary partitioning for hash joins.
Date Fri, 25 Sep 2015 04:05:11 GMT
Hello Jenkins,

I'd like you to reexamine a change.  Please visit

    https://asterix-gerrit.ics.uci.edu/395

to look at the new patch set (#5).

Change subject: ASTERIXDB-221: reduce unneceesary partitioning for hash joins.
......................................................................

ASTERIXDB-221: reduce unneceesary partitioning for hash joins.

For a hash join, start top-down data property optimization from
a partitioning-compatiable child, and hence the other child's
partitioning requirement could be updated.

Change-Id: I835ea712c2f427149d45464fcb3841b8d33f6507
---
M algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/AbstractHashJoinPOperator.java
M algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/properties/PropertiesUtil.java
M algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/EnforceStructuralPropertiesRule.java
3 files changed, 65 insertions(+), 21 deletions(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/hyracks refs/changes/95/395/5
-- 
To view, visit https://asterix-gerrit.ics.uci.edu/395
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I835ea712c2f427149d45464fcb3841b8d33f6507
Gerrit-PatchSet: 5
Gerrit-Project: hyracks
Gerrit-Branch: master
Gerrit-Owner: Wenhai Li <lwhaymail@yahoo.com>
Gerrit-Reviewer: Ian Maxon <imaxon@apache.org>
Gerrit-Reviewer: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Wenhai Li <lwhaymail@yahoo.com>
Gerrit-Reviewer: Yingyi Bu <buyingyi@gmail.com>

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