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Posted to issues@ignite.apache.org by "Konstantin Orlov (Jira)" <ji...@apache.org> on 2022/11/21 17:02:00 UTC

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

Konstantin Orlov created IGNITE-18213:
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             Summary: 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


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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