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  1. Calcite
  2. CALCITE-3403

WindowReduceExpressionsRule does not reuse RelMetadataQuery

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.22.0
    • Component/s: None

      Description

      It creates a new RelMetadataQuery instance, which is a fresh RelMetadataQuery without any data cache. We should get RelMetadataQuery from RelOptRuleCall to reuse cache as much as possible.

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              • Assignee:
                jinxing6042@126.com Jin Xing
                Reporter:
                hyuan Haisheng Yuan
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