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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-4490) Optimize DML for fast INSERT and MERGE
Date Tue, 19 Dec 2017 08:14:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-4490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16296429#comment-16296429

ASF GitHub Bot commented on IGNITE-4490:

Github user asfgit closed the pull request at:


> Optimize DML for fast INSERT and MERGE
> --------------------------------------
>                 Key: IGNITE-4490
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4490
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 1.8
>            Reporter: Alexander Paschenko
>            Assignee: Alexander Paschenko
>              Labels: iep-1, performance
>             Fix For: 2.4
> It's possible to avoid any SQL querying and map some INSERT and MERGE statements to cache
operations in a way similar to that of UPDATE and DELETE - i.e. don't make queries when there
are no expressions to evaluate in the query and enhance update plans to perform direct cache
operations when INSERT and MERGE affect columns {{_key}} and {{_val}} only.

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