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https://issues.apache.org/jira/browse/PHOENIX-3014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl resolved PHOENIX-3014.
------------------------------------
Resolution: Fixed
Pushed to master and 4.x*
Credit goes to [~giacomotaylor] for identifying the fix, so I left it assigned
to James.
> SELECT DISTINCT pk ORDER BY pk DESC gives the wrong results with salted tables
> ------------------------------------------------------------------------------
>
> Key: PHOENIX-3014
> URL: https://issues.apache.org/jira/browse/PHOENIX-3014
> Project: Phoenix
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: James Taylor
> Fix For: 4.8.0
>
> Attachments: 3014-v2.txt, PHOENIX-3014_untested.patch
>
>
> {code}
> create table T(pk1 varchar not null, pk2 varchar not null, constraint pk
> primary key(pk1, pk2)) SALT_BUCKETS=8;
> upsert into T values('1','1');
> upsert into T values('1','2');
> upsert into T values('2','1');
> select /*+ RANGE_SCAN */ distinct(pk1) from T order by pk1 desc;
> +------+
> | PK1 |
> +------+
> | 1 |
> | 2 |
> | 1 |
> select distinct(pk1) from T order by pk1 desc;
> +------+
> | PK1 |
> +------+
> | 1 |
> | 2 |
> | 1 |
> +------+
> {code}
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