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[jira] [Created] (CALCITE-2321) Support ragged fixed length value union be variable


Hequn Cheng created CALCITE-2321:
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             Summary: Support ragged fixed length value union be variable
                 Key: CALCITE-2321
                 URL: https://issues.apache.org/jira/browse/CALCITE-2321
             Project: Calcite
          Issue Type: New Feature
          Components: core
            Reporter: Hequn Cheng
            Assignee: Hequn Cheng


The {{shouldRaggedFixedLengthValueUnionBeVariable()}} function in {{SqlTypeFactoryImpl}} always return false now. It is good to make it configurable since some system may need the function to return true to provide pragmatic behavior.

I see one option to solve this issue: Add {{boolean shouldRaggedFixedLengthValueUnionBeVariable()}} in {{RelDataTypeSystem}}, so external system can override to configure the value.

Any suggestions are welcomed. Thanks a lot.



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