As discussed in the DEV mailing list, we have made conclusion that the user can sub-class the RelMetadataQuery.
- duplicates
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CALCITE-2855 Make RelMetadataQuery in RelOptCluster pluggable
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- Closed
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- relates to
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CALCITE-3792 Remove the generic type declaration of method RelOptCluster#getMetadataQuery
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- Closed
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- links to