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https://issues.apache.org/jira/browse/IGNITE-6702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276700#comment-16276700
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ASF GitHub Bot commented on IGNITE-6702:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/ignite/pull/3037


> Get rid of values deserialization in H2TreeIndex.getRowCount
> ------------------------------------------------------------
>
>                 Key: IGNITE-6702
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6702
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Semen Boikov
>            Assignee: Kirill Shirokov
>              Labels: performance
>             Fix For: 2.4
>
>
> It seems H2TreeIndex.getRowCount is called for 'select count(*) from x' 
> queries, now it is implemented via BPlusTree.find(x, x) method which 
> deserializes all values. Actually values are not needed there, need implement 
> method on BPlusTree computing size without deserialization.



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