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From "Remus Rusanu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CALCITE-1681) Provide a way to copy RelNode trees between planners
Date Wed, 08 Mar 2017 08:08:37 GMT
Remus Rusanu created CALCITE-1681:
-------------------------------------

             Summary: Provide a way to copy RelNode trees between planners
                 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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