public interface LatticeStatisticProvider
Modifier and Type | Interface and Description |
---|---|
static interface |
LatticeStatisticProvider.Factory
Creates a
LatticeStatisticProvider for a given
Lattice . |
Modifier and Type | Method and Description |
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double |
cardinality(java.util.List<Lattice.Column> columns)
Returns an estimate of the number of distinct values in a column
or list of columns.
|
double cardinality(java.util.List<Lattice.Column> columns)
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