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Posted to issues@ignite.apache.org by "Andrey Mashenkov (Jira)" <ji...@apache.org> on 2023/01/13 08:57:00 UTC

[jira] [Assigned] (IGNITE-18207) Sql. Pushdown DISTINCT aggregate with no particular function

     [ https://issues.apache.org/jira/browse/IGNITE-18207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrey Mashenkov reassigned IGNITE-18207:
-----------------------------------------

    Assignee: Andrey Mashenkov

> Sql. Pushdown DISTINCT aggregate with no particular function
> ------------------------------------------------------------
>
>                 Key: IGNITE-18207
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18207
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>            Reporter: Konstantin Orlov
>            Assignee: Andrey Mashenkov
>            Priority: Major
>              Labels: ignite-3
>
> In order to reduce amount of rows to send over the network, for cases with DISTINCT aggregates and no particular aggregation function, IgniteAggregate[dist=single] can be copied to under the exchange with hash distribution.



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