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Posted to issues@calcite.apache.org by "Remus Rusanu (JIRA)" <ji...@apache.org> on 2017/03/08 18:23:37 UTC

[jira] [Updated] (CALCITE-1681) Provide a way to copy RelNode trees between clusters

     [ https://issues.apache.org/jira/browse/CALCITE-1681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remus Rusanu updated CALCITE-1681:
----------------------------------
    Summary: Provide a way to copy RelNode trees between clusters  (was: Provide a way to copy RelNode trees between planners)

> Provide a way to copy RelNode trees between clusters
> ----------------------------------------------------
>
>                 Key: CALCITE-1681
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1681
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Remus Rusanu
>            Assignee: Remus Rusanu
>
> In Hive we cache materialized view plans and reuse the cached plans in queries. For this we need a way to do deep clone copy of a RelNode tree from one builder to another.



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