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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-3452) Secondary index and query using distinct: ORDER BY doesn't work correctly
Date Wed, 09 Nov 2016 15:01:58 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15651169#comment-15651169
] 

James Taylor commented on PHOENIX-3452:
---------------------------------------

Yes, that's correct.

> Secondary index and query using distinct: ORDER BY doesn't work correctly
> -------------------------------------------------------------------------
>
>                 Key: PHOENIX-3452
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3452
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.8.0
>            Reporter: Joel Palmert
>            Assignee: chenglei
>         Attachments: PHOENIX-3452_v2.patch
>
>
> This may be related to PHOENIX-3451 but the behavior is different so filing it separately.
> Steps to repro:
> CREATE TABLE IF NOT EXISTS TEST.TEST (
>     ORGANIZATION_ID CHAR(15) NOT NULL,
>     CONTAINER_ID CHAR(15) NOT NULL,
>     ENTITY_ID CHAR(15) NOT NULL,
>     SCORE DOUBLE,
>     CONSTRAINT TEST_PK PRIMARY KEY (
>         ORGANIZATION_ID,
>         CONTAINER_ID,
>         ENTITY_ID
>     )
> ) VERSIONS=1, MULTI_TENANT=TRUE, REPLICATION_SCOPE=1, TTL=31536000;
> CREATE INDEX IF NOT EXISTS TEST_SCORE ON TEST.TEST (CONTAINER_ID, SCORE DESC, ENTITY_ID
DESC);
> UPSERT INTO test.test VALUES ('org1','container1','entityId6',1.1);
> UPSERT INTO test.test VALUES ('org1','container1','entityId5',1.2);
> UPSERT INTO test.test VALUES ('org1','container1','entityId4',1.3);
> UPSERT INTO test.test VALUES ('org1','container1','entityId3',1.4);
> UPSERT INTO test.test VALUES ('org1','container1','entityId2',1.5);
> UPSERT INTO test.test VALUES ('org1','container1','entityId1',1.6);
> SELECT DISTINCT entity_id, score
> FROM test.test
> WHERE organization_id = 'org1'
> AND container_id = 'container1'
> ORDER BY score DESC
> Notice that the returned results are not returned in descending score order. Instead
they are returned in descending entity_id order. If I remove the DISTINCT or remove the secondary
index the result is correct.



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