Yingyi Bu has posted comments on this change.

Change subject: ASTERIXDB-1566, ASTERIXDB-1733: Hash Group By and Hash Join 
conform to the memory budget
......................................................................


Patch Set 54:

(1 comment)

https://asterix-gerrit.ics.uci.edu/#/c/1056/54/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java
File 
hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/operators/physical/ExternalGroupByPOperator.java:

Line 297:      */
Add a unit test for this method?  (It feels that this is a place where things 
need to be carefully checked for different edge cases.  )

You can use PA.invoke(...) to test private methods.

Here is an example:
https://github.com/apache/asterixdb/blob/master/asterixdb/asterix-app/src/test/java/org/apache/asterix/api/common/APIFrameworkTest.java


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Gerrit-MessageType: comment
Gerrit-Change-Id: I2b323e9a2141b4c1dd1652a360d2d9354d3bc3f5
Gerrit-PatchSet: 54
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: Taewoo Kim <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Jianfeng Jia <[email protected]>
Gerrit-Reviewer: Michael Blow <[email protected]>
Gerrit-Reviewer: Steven Jacobs <[email protected]>
Gerrit-Reviewer: Taewoo Kim <[email protected]>
Gerrit-Reviewer: Till Westmann <[email protected]>
Gerrit-Reviewer: Wenhai Li <[email protected]>
Gerrit-Reviewer: Yingyi Bu <[email protected]>
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