James Starr created CALCITE-4551:
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Summary: Fly Weight for MD Cache Keys
Key: CALCITE-4551
URL: https://issues.apache.org/jira/browse/CALCITE-4551
Project: Calcite
Issue Type: Improvement
Reporter: James Starr
Create cache keys for metadata calls generates a fair bit of object turn in
trivial cases, more expensive than the actual metadata call. Many metadata
calls could reuse their cache keys since the are functionally identical.
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