public static interface BuiltInMetadata.ColumnUniqueness.Handler extends MetadataHandler<BuiltInMetadata.ColumnUniqueness>
Modifier and Type | Method and Description |
---|---|
java.lang.Boolean |
areColumnsUnique(RelNode r,
RelMetadataQuery mq,
ImmutableBitSet columns,
boolean ignoreNulls) |
getDef
java.lang.Boolean areColumnsUnique(RelNode r, RelMetadataQuery mq, ImmutableBitSet columns, boolean ignoreNulls)
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