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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ASTERIXDB-2348) Incorrect result with distinct aggregate
Date Tue, 03 Apr 2018 08:09:00 GMT

    [ https://issues.apache.org/jira/browse/ASTERIXDB-2348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16423618#comment-16423618
] 

ASF subversion and git services commented on ASTERIXDB-2348:
------------------------------------------------------------

Commit cba9ec76ceaefdfe9a3eafa695f01d739bb74c18 in asterixdb's branch refs/heads/master from
[~dlychagin-cb]
[ https://git-wip-us.apache.org/repos/asf?p=asterixdb.git;h=cba9ec7 ]

[ASTERIXDB-2348][COMP] Incorrect result with distinct aggregate

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Account for micro group by/distinct by operators in
  EnforceStructuralPropertiesRule

Change-Id: I0f440046d6cdb2dc0302c5aa4c01ffacb703ee73
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2544
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>


> Incorrect result with distinct aggregate
> ----------------------------------------
>
>                 Key: ASTERIXDB-2348
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2348
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: COMP - Compiler
>            Reporter: Dmitry Lychagin
>            Assignee: Dmitry Lychagin
>            Priority: Minor
>
> Input data:
> insert into t1 select value t from [
>  \{"c_id":"01","c_b":true, "c_d":900,"c_i":999999},
>  \{"c_id":"02","c_b":true, "c_d":800,"c_i":888888},
>  \{"c_id":"03","c_b":true, "c_d":700,"c_i":777777},
>  \{"c_id":"05","c_b":false,"c_d":111,"c_i":111111}
> ] t
> Query: 
> select min(distinct c_i) v
> from t1
> where c_b
> group by c_i, c_d, c_b
> order by v
> Expected result:
> { "v": 777777 }
> { "v": 888888 }
> { "v": 999999 }
> Actual result:
> { "v": {  } }
> { "v": {  } }
> { "v": {  } }
>  
> Note, when 'distinct' is removed then the expected result is returned. 
>  
>  



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