public class ConstantOptimizer extends Object implements QueryOptimizer
Modifier and Type | Class and Description |
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protected class |
ConstantOptimizer.ConstantVisitor |
Modifier and Type | Field and Description |
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protected Logger |
logger |
protected EvaluationStrategy |
strategy |
Constructor and Description |
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ConstantOptimizer(EvaluationStrategy strategy) |
Modifier and Type | Method and Description |
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void |
optimize(TupleExpr tupleExpr,
Dataset dataset,
BindingSet bindings)
Applies generally applicable optimizations to the supplied query: variable
assignments are inlined.
|
protected final Logger logger
protected final EvaluationStrategy strategy
public ConstantOptimizer(EvaluationStrategy strategy)
public void optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
optimize
in interface QueryOptimizer
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