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Posted to issues@ignite.apache.org by "Alexander Lapin (Jira)" <ji...@apache.org> on 2022/09/19 16:31:00 UTC

[jira] [Commented] (IGNITE-17659) Table Scan returns incorrect result for multipl pages implicit transactions

    [ https://issues.apache.org/jira/browse/IGNITE-17659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17606668#comment-17606668 ] 

Alexander Lapin commented on IGNITE-17659:
------------------------------------------

[~v.pyatkov] LGTM

> Table Scan returns incorrect result for multipl pages implicit transactions
> ---------------------------------------------------------------------------
>
>                 Key: IGNITE-17659
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17659
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Vladislav Pyatkov
>            Assignee: Vladislav Pyatkov
>            Priority: Major
>              Labels: ignite-3
>
> The _InternalTable#scan_ method has issue for implicit transaction when the scan command returns more roes than place in one page:
> Currently, the implicit transaction creates when the first page is requested and close when the result is returned. In other words, the entries returned can contain only a first page of entire result for implicit transaction.
> Implicit transaction should be started at the first retrieve batch request is sent. The transaction shouldn't be closed until the subscriber reads to the end or _Subscription#cancel_ is not invoked.
>  
>  



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