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Posted to dev@ignite.apache.org by "Stanilovsky Evgeny (Jira)" <ji...@apache.org> on 2020/09/22 11:57:00 UTC

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

Stanilovsky Evgeny created IGNITE-13476:
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             Summary: 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


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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