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https://issues.apache.org/jira/browse/IGNITE-8207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Kondakov resolved IGNITE-8207.
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    Resolution: Won't Fix
      Assignee: Roman Kondakov

If transaction cleanups it's own updates, savepoint feature becomes impossible.

> SQL TX: Cleanup own previous changes on update
> ----------------------------------------------
>
>                 Key: IGNITE-8207
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8207
>             Project: Ignite
>          Issue Type: Task
>            Reporter: Igor Seliverstov
>            Assignee: Roman Kondakov
>            Priority: Major
>
> During update process we're cleaning up rows, which became invisible for all 
> readers.
> Updating a row more than once we are free to cleanup previous own changes 
> except last one. This means we shouldn't leave more than two rows per key 
> with version equal to current tx for updates and one for delete operations.



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