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Posted to issues@ignite.apache.org by "Stanilovsky Evgeny (Jira)" <ji...@apache.org> on 2020/10/02 10:55:00 UTC

[jira] [Commented] (IGNITE-13476) Calcite improvements. Implement ProjectionNode.

    [ https://issues.apache.org/jira/browse/IGNITE-13476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206094#comment-17206094 ] 

Stanilovsky Evgeny commented on IGNITE-13476:
---------------------------------------------

[~gvvinblade] seems all ok now, append tests, checkstyle locally passed. Can u review it ?

> Calcite improvements. Implement ProjectionNode.
> -----------------------------------------------
>
>                 Key: IGNITE-13476
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13476
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>    Affects Versions: 2.8.1
>            Reporter: Stanilovsky Evgeny
>            Assignee: Stanilovsky Evgeny
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently we have no functionality for filtering only useful columns in inner representations. For further heap allocations reduction and as a consequence: gc pressure, we need to implement such approach.



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