Package org.apache.calcite.rel.metadata
Interface BuiltInMetadata.UniqueKeys.Handler
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- All Superinterfaces:
MetadataHandler<BuiltInMetadata.UniqueKeys>
- Enclosing interface:
- BuiltInMetadata.UniqueKeys
public static interface BuiltInMetadata.UniqueKeys.Handler extends MetadataHandler<BuiltInMetadata.UniqueKeys>
Handler API.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.util.Set<ImmutableBitSet>getUniqueKeys(RelNode r, RelMetadataQuery mq, boolean ignoreNulls)-
Methods inherited from interface org.apache.calcite.rel.metadata.MetadataHandler
getDef
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Method Detail
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getUniqueKeys
java.util.Set<ImmutableBitSet> getUniqueKeys(RelNode r, RelMetadataQuery mq, boolean ignoreNulls)
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