Class SameTermFilterOptimizer
java.lang.Object
org.eclipse.rdf4j.query.algebra.evaluation.optimizer.SameTermFilterOptimizer
- All Implemented Interfaces:
QueryOptimizer
A query optimizer that embeds ) are processed by assigning the URI to all occurring variables with name X.
Filters with SameTerm operators in statement patterns as much as
possible. Operators like sameTerm(X, Y) are processed by renaming X to Y (or vice versa). Operators like sameTerm(X,
- Author:
- Arjohn Kampman, James Leigh
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidoptimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings) Applies generally applicable optimizations to the supplied query: variable assignments are inlined.
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Constructor Details
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SameTermFilterOptimizer
public SameTermFilterOptimizer()
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Method Details
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optimize
Applies generally applicable optimizations to the supplied query: variable assignments are inlined.- Specified by:
optimizein interfaceQueryOptimizer
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