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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-3478) Multi-version concurrency control
Date Mon, 13 Nov 2017 07:12:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-3478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Vladimir Ozerov updated IGNITE-3478:
    Summary: Multi-version concurrency control  (was: Transactional SQL (mvcc))

> Multi-version concurrency control
> ---------------------------------
>                 Key: IGNITE-3478
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3478
>             Project: Ignite
>          Issue Type: New Feature
>          Components: cache
>            Reporter: Alexey Goncharuk
>            Assignee: Semen Boikov
>              Labels: important
> Current Ignite SQL does not take into account transaction boundaries. For example, if
a transaction atomically changes balance of two accounts, then a concurrent SQL query can
see partially committed transaction. This works for data analytics, but does not work for
more strict and demanding scenarios.
> It would be perfect if we had a mode which ensures transaction boundaries are taken into
account for SQL query.

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