Uses of Package
org.eclipse.rdf4j.query.algebra.evaluation.optimizer
Packages that use org.eclipse.rdf4j.query.algebra.evaluation.optimizer
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Classes in org.eclipse.rdf4j.query.algebra.evaluation.optimizer used by org.eclipse.rdf4j.query.algebra.evaluation.optimizerClassDescriptionAssigns values to variables based on a supplied set of bindings.Optimizes a query model by inlining
BindingSetAssignment
values where possible.Splits conjunctive constraints into seperate constraints.A query optimizer that optimize disjunctive constraints on tuple expressions.Optimizes a query model by pushingFilter
s as far down in the model tree as possible.Moves the Order node above the Projection when variables are projected.Cleans upQueryModelNode.getParentNode()
references that have become inconsistent with the actual algebra tree structure due to optimization operations.If a projection node in the algebra does not contribute or change the results it can be removed from the tree.A query optimizer that (partially) normalizes query models to a canonical form.Inspect Union clauses to check if scope change can be avoided (allowing injection of pre-bound vars into union arguments).