Wenhai Li has posted comments on this change.

Change subject: RangeGenerator aggfunc for the numeric/asciiString datatype 
based on parallel streaming histogram.
......................................................................


Patch Set 36:

(13 comments)

Hi, Yingyi and Preston.
I didn't know you cann't see the comments without publishing. :( Hope it's not 
too late.

https://asterix-gerrit.ics.uci.edu/#/c/806/36/asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/GlobalRangeGeneratorTypeComputer.java
File 
asterixdb/asterix-om/src/main/java/org/apache/asterix/om/typecomputer/impl/GlobalRangeGeneratorTypeComputer.java:

Line 30: public class GlobalRangeGeneratorTypeComputer  extends 
AbstractResultTypeComputer {
> extra space before extends
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/scalar/ScalarRangeGeneratorAggregateDescriptor.java
File 
asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/scalar/ScalarRangeGeneratorAggregateDescriptor.java:

Line 28:     public final static FunctionIdentifier FID = 
AsterixBuiltinFunctions.SCALAR_RG;
> final static -> static final
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/std/AbstractRangeGeneratorAggregateFunction.java
File 
asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/std/AbstractRangeGeneratorAggregateFunction.java:

Line 323:         for (int i = 0; i < listItems.size(); i++) {
> Seems it might be a little cleaner to use the enhanced for loop:
Done


Line 384:             for (int i = 0; i < rangeMap.size(); i++) {
> Seems it might be a little cleaner to use the enhanced for loop here
Done


Line 409:             for (int i = 0; i < rangeMap.size(); i++) {
> Seems it might be a little cleaner to use the enhanced for loop here
Done


Line 442:                     translateVal = (ShortPointable) 
BytePointable.FACTORY.createPointable();
> bad cast (BytePointable)
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/std/LocalRangeGeneratorAggregateFunction.java
File 
asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/aggregates/std/LocalRangeGeneratorAggregateFunction.java:

Line 42:         finishPartialResults(result);
> making sure this is the right method to call (partial)
This is right since the the total merging part will be execute within the 
GlobalRangeGeneratorAggregateFunction.


https://asterix-gerrit.ics.uci.edu/#/c/806/36/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IHeapList.java
File 
hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IHeapList.java:

Line 24:     public void increase(int index, K key) throws HyracksDataException;
> can remove redundant 'public' modifier (all methods)
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IHistogram.java
File 
hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IHistogram.java:

Line 27:  * @author michael
> remove @author
Done


Line 30:     public enum HistogramType {
> can remove redundant 'public' modifier (all enums & methods)
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IQuantileList.java
File 
hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/IQuantileList.java:

Line 27:     public int size();
> can remove redundant 'public' modifier (all methods)
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/structures/DominantQuantile.java
File 
hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/structures/DominantQuantile.java:

Line 70:         return super.hashCode();
> Hashcode function should be implemented or this class may not behave as exp
Done


https://asterix-gerrit.ics.uci.edu/#/c/806/36/hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/structures/GenericQuantile.java
File 
hyracks-fullstack/hyracks/hyracks-dataflow-std/src/main/java/org/apache/hyracks/dataflow/std/range/structures/GenericQuantile.java:

Line 73:         return super.hashCode();
> Hashcode function should be implemented or this class may not behave as exp
Done


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Gerrit-MessageType: comment
Gerrit-Change-Id: I450d0962fbeacfb2b6ab9fae0750f025ef17ba01
Gerrit-PatchSet: 36
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Wenhai Li <lwhaym...@yahoo.com>
Gerrit-Reviewer: Jenkins <jenk...@fulliautomatix.ics.uci.edu>
Gerrit-Reviewer: Jianfeng Jia <jianfeng....@gmail.com>
Gerrit-Reviewer: Michael Blow <mb...@apache.org>
Gerrit-Reviewer: Preston Carman <prest...@apache.org>
Gerrit-Reviewer: Till Westmann <ti...@apache.org>
Gerrit-Reviewer: Wenhai Li <lwhaym...@yahoo.com>
Gerrit-Reviewer: Yingyi Bu <buyin...@gmail.com>
Gerrit-Reviewer: Yingyi Bu <ying...@google.com>
Gerrit-HasComments: Yes

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