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Posted to issues@ignite.apache.org by "Yury Gerzhedovich (Jira)" <ji...@apache.org> on 2022/10/04 07:12:00 UTC

[jira] [Updated] (IGNITE-17813) Sql. Introduce sorted reducer for IndexScanNode

     [ https://issues.apache.org/jira/browse/IGNITE-17813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yury Gerzhedovich updated IGNITE-17813:
---------------------------------------
    Epic Link: IGNITE-17304

> Sql. Introduce sorted reducer for IndexScanNode
> -----------------------------------------------
>
>                 Key: IGNITE-17813
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17813
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Konstantin Orlov
>            Priority: Major
>              Labels: ignite-3
>
> This task is derived from IGNITE-17655 to reduce its scope.
> Currently, IgniteScanNode reads partition after partition which, obviously, breaks the sorting order. We need to introduce wrapping cursor, which accepts open cursors for every partition, and produce the sorted output.



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