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Posted to issues@ignite.apache.org by "Andrew Mashenkov (JIRA)" <ji...@apache.org> on 2019/02/13 11:10:00 UTC

[jira] [Updated] (IGNITE-11311) MVCC: SQL full table scan query can return duplicates.

     [ https://issues.apache.org/jira/browse/IGNITE-11311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Mashenkov updated IGNITE-11311:
--------------------------------------
    Ignite Flags:   (was: Docs Required)

> MVCC: SQL full table scan query can return duplicates.
> ------------------------------------------------------
>
>                 Key: IGNITE-11311
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11311
>             Project: Ignite
>          Issue Type: Bug
>          Components: mvcc, sql
>            Reporter: Andrew Mashenkov
>            Priority: Major
>
> SQL query like "select * from table" can return duplicate rows.
> Possible reasons can be
>  *  due to SQL query iterates over data pages directly and can see inconsistent state (IGNITE-10561) 
>  * Same as IGNITE-10767, query see stale pages.
>  * Smth is wrong with mvcc versions visibility.



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