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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2018/08/16 15:21:00 UTC

[jira] [Updated] (IGNITE-7261) SQL TX: SELECT and DML operations must share the same MVCC version

     [ https://issues.apache.org/jira/browse/IGNITE-7261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov updated IGNITE-7261:
------------------------------------
    Component/s: mvcc

> SQL TX: SELECT and DML operations must share the same MVCC version
> ------------------------------------------------------------------
>
>                 Key: IGNITE-7261
>                 URL: https://issues.apache.org/jira/browse/IGNITE-7261
>             Project: Ignite
>          Issue Type: Task
>          Components: mvcc, sql
>            Reporter: Vladimir Ozerov
>            Assignee: Igor Seliverstov
>            Priority: Major
>             Fix For: 2.7
>
>
> Need to make sure that all statements within TX share the same MVCC version which is assigned on first read/write. 
> Need to add tests for this to confirm REPEATABLE_READ behavior.
> Note that regular implicit SELECTs outside transaction should only register itself as "query" on MVCC coordinator, while SELECT inside TX must register itself as both "query" and "tx".



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