Till Westmann has posted comments on this change.

Change subject: [ASTERIXDB-2244][RTM] Implement micro union-all operator
......................................................................


Patch Set 9: Code-Review+2

(5 comments)

Please address comments and add one (or more) optimizer tests in a follow up 
change.

https://asterix-gerrit.ics.uci.edu/#/c/2277/8//COMMIT_MSG
Commit Message:

PS8, Line 7: RTM
RT

https://cwiki.apache.org/confluence/display/ASTERIXDB/Formatting


https://asterix-gerrit.ics.uci.edu/#/c/2277/9/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java
File 
hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansAccumulatingAggregatorFactory.java:

PS9, Line 171: [0]
Fail if there is more than 1 element in the array.


https://asterix-gerrit.ics.uci.edu/#/c/2277/9/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java
File 
hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/aggreg/NestedPlansRunningAggregatorFactory.java:

PS9, Line 152: [0]
Fail if there's more than 1 runtime in the array.


https://asterix-gerrit.ics.uci.edu/#/c/2277/9/hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java
File 
hyracks-fullstack/algebricks/algebricks-runtime/src/main/java/org/apache/hyracks/algebricks/runtime/operators/meta/PipelineAssembler.java:

PS9, Line 73: if
Can we throw in the else-case?


https://asterix-gerrit.ics.uci.edu/#/c/2277/9/hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java
File 
hyracks-fullstack/hyracks/hyracks-api/src/main/java/org/apache/hyracks/api/job/JobSpecification.java:

PS9, Line 88:  private transient int operatorIdCounter;
            : 
            :     private transient int connectorIdCounter;
            : 
            :     private transient List<IOperatorDescriptor> metaOps;
Could these be part of a "construction context"?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I11be926f175889978c144dd4483ec565d3d86e2d
Gerrit-PatchSet: 9
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Dmitry Lychagin <[email protected]>
Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Dmitry Lychagin <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Till Westmann <[email protected]>
Gerrit-HasComments: Yes

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