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 |
|---|---|
protected static class |
DisjunctiveConstraintOptimizer.OrSameTermOptimizer |
| Constructor and Description |
|---|
DisjunctiveConstraintOptimizer() |
| Modifier and Type | Method and Description |
|---|---|
void |
optimize(TupleExpr tupleExpr,
Dataset dataset,
BindingSet bindings) |
public void optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
optimize in interface QueryOptimizerCopyright © 2015-2020 Eclipse Foundation. All Rights Reserved.