public class DisjunctiveConstraintOptimizer extends Object implements QueryOptimizer
unions
a clone of the underlying
tuple expression with the original expression for each SameTerm
operator, moving the SameTerm to the cloned tuple expression.Modifier and Type | Class and Description |
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protected static class |
DisjunctiveConstraintOptimizer.OrSameTermOptimizer |
Constructor and Description |
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DisjunctiveConstraintOptimizer() |
public void optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
optimize
in interface QueryOptimizer
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