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From "Ilya Korol (Jira)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-14120) select count * returns multiple rows
Date Tue, 01 Jun 2021 08:13:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-14120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17354924#comment-17354924
] 

Ilya Korol commented on IGNITE-14120:
-------------------------------------

I've created reproducer and described my investigation results here
https://github.com/solveme/ignite/blob/ignite-14120/modules/indexing/src/test/java/org/apache/ignite/client/MultiRowReproducerTest.java

> select count * returns multiple rows
> ------------------------------------
>
>                 Key: IGNITE-14120
>                 URL: https://issues.apache.org/jira/browse/IGNITE-14120
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.8.1
>            Reporter: Isaac Zhu
>            Assignee: Yury Gerzhedovich
>            Priority: Major
>
> I have a partitioned table which has 1 backup, the *queryParallelism* is set to 4.
> The table primary key is column "ID", 
> If I do this query:
>         select count( * ) from my_table where ID = 1000;
> It will return 4 rows:
>         1
>          0
>          0
>          0
>  
> If I query by other not primary-key columns of this table, the result is good, like:
>         select count( *) from my_table where name = 'abcd'
> result is:
>         0



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