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Posted to issues@ignite.apache.org by "Konstantin Orlov (Jira)" <ji...@apache.org> on 2023/02/01 13:38:00 UTC

[jira] [Updated] (IGNITE-18689) Sql. Introduce heuristics to put spools into the plan

     [ https://issues.apache.org/jira/browse/IGNITE-18689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantin Orlov updated IGNITE-18689:
--------------------------------------
    Ignite Flags:   (was: Docs Required,Release Notes Required)

> Sql. Introduce heuristics to put spools into the plan
> -----------------------------------------------------
>
>                 Key: IGNITE-18689
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18689
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Konstantin Orlov
>            Priority: Major
>              Labels: ignite-3
>
> Rewindability trait was eliminated in IGNITE-18213, and the spool node is no more participate in query optimisation process. Let's do some research on if there are such queries which may leverage the table/index spools in order to speed up the execution, and if they are, let's introduce (perhaps) heuristic rule to put spool node for such queries.



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