Wenhai Li has uploaded a new patch set (#2).

Change subject: Exchange optimization for lookup and delete
......................................................................

Exchange optimization for lookup and delete

The following commits from your working branch will be included:
exchange optimization for lookup and delete when the operation is merely 
directed by the primary key.

commit 8d803cab358382b7c1510900cc7551de5fcc8480
Author: Michael <[email protected]>
Date:   Thu Oct 1 23:58:48 2015 -0700

    exchange optimization for lookup and delete

Change-Id: Ic836210e57b87128120e1f8dabbfed062d09f5e4
---
M 
algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/metadata/IMetadataProvider.java
M 
algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/InsertDeletePOperator.java
M 
algebricks/algebricks-examples/piglet-example/src/main/java/org/apache/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
3 files changed, 130 insertions(+), 14 deletions(-)


  git pull ssh://asterix-gerrit.ics.uci.edu:29418/hyracks refs/changes/27/427/2
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Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic836210e57b87128120e1f8dabbfed062d09f5e4
Gerrit-PatchSet: 2
Gerrit-Project: hyracks
Gerrit-Branch: master
Gerrit-Owner: Wenhai Li <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>

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