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Posted to issues@ignite.apache.org by "Konstantin Orlov (Jira)" <ji...@apache.org> on 2023/02/06 13:00:00 UTC

[jira] [Updated] (IGNITE-18213) Sql. Make exchange rewindable

     [ https://issues.apache.org/jira/browse/IGNITE-18213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantin Orlov updated IGNITE-18213:
--------------------------------------
    Fix Version/s: 3.0.0-beta2

> Sql. Make exchange rewindable
> -----------------------------
>
>                 Key: IGNITE-18213
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18213
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Konstantin Orlov
>            Assignee: Konstantin Orlov
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-beta2
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> This causes the whole table being send over the network and being stored in the spool node.
> This could be improved by making the exchange operator rewindable.
> Need to introduce new type of message similar to InboxCloseMessage, but for 'rewind' operation. The message should contain list of correlated variables. Outbox, in turn, should accept this message, update correlation variables in the local context with the received one, and rewind the local execution tree.



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