[jira] [Created] (CALCITE-1925) JaninoRelMetadataProvider to cache null value

[Ted Xu (JIRA)]

Ted Xu created CALCITE-1925:
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             Summary: JaninoRelMetadataProvider to cache null value
                 Key: CALCITE-1925
                 URL: https://issues.apache.org/jira/browse/CALCITE-1925
             Project: Calcite
          Issue Type: Improvement
          Components: core
    Affects Versions: 1.13.0
            Reporter: Ted Xu
            Assignee: Julian Hyde


JaninoRelMetadataProvider should cache null value to improve performance.



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