Dmitry Lychagin has posted comments on this change.

Change subject: [NO-ISSUE][COMP] Miscellaneous Fixes in Compiler
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Patch Set 1:

(2 comments)

https://asterix-gerrit.ics.uci.edu/#/c/2858/1/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java
File 
hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/logical/AggregateOperator.java:

Line 103:         IVariableTypeEnvironment env2 = 
this.computeInputTypeEnvironment(ctx);
> I was having some type inference issue with this one, and I changed this. S
I feel that it's not necessary, that's why it'd be nice to see an example 
that's failing.


https://asterix-gerrit.ics.uci.edu/#/c/2858/1/hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java
File 
hyracks-fullstack/algebricks/algebricks-rewriter/src/main/java/org/apache/hyracks/algebricks/rewriter/rules/AbstractIntroduceGroupByCombinerRule.java:

Line 91:                 newGbyLiveVars.add(usedDecorVars.get(0));
> These bug fixes are separated from one of the other branches that I'm worki
I think we need to have a reproducer showing what the new plan looks like 
(OptimizerTest) and another one that actually runs this query. If 
ASTERIXDB-2436 query does that then let's wait until you're ready to merge all 
your fixes together.


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ibfc9459d0ccfc257e2c1b15f32d2697dcfbfcf42
Gerrit-PatchSet: 1
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Xikui Wang <[email protected]>
Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Dmitry Lychagin <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Xikui Wang <[email protected]>
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