Uses of Interface
org.openrdf.query.algebra.evaluation.QueryOptimizer

Packages that use QueryOptimizer

Package	Description
org.openrdf.query.algebra.evaluation.impl
org.openrdf.query.algebra.evaluation.util
org.openrdf.sail.federation.optimizers
org.openrdf.sail.rdbms.optimizers
org.openrdf.sail.rdbms.postgresql

Uses of QueryOptimizer in org.openrdf.query.algebra.evaluation.impl

Classes in org.openrdf.query.algebra.evaluation.impl that implement QueryOptimizer

Modifier and Type	Class and Description
class	BindingAssigner Assigns values to variables based on a supplied set of bindings.
class	CompareOptimizer A query optimizer that replaces Compare operators with SameTerms, if possible.
class	ConjunctiveConstraintSplitter Splits conjunctive constraints into seperate constraints.
class	ConstantOptimizer A query optimizer that optimizes constant value expressions.
class	DisjunctiveConstraintOptimizer A query optimizer that optimize disjunctive constraints on tuple expressions.
class	FilterOptimizer Optimizes a query model by pushing Filters as far down in the model tree as possible.
class	IterativeEvaluationOptimizer
class	OrderLimitOptimizer Moves the Order node above the Projection when variables are projected.
class	QueryJoinOptimizer A query optimizer that re-orders nested Joins.
class	QueryModelNormalizer A query optimizer that (partially) normalizes query models to a canonical form.
class	QueryModelPruner Deprecated. Replaced by QueryModelNormalizer.
class	SameTermFilterOptimizer A query optimizer that embeds Filters with SameTerm operators in statement patterns as much as possible.

Uses of QueryOptimizer in org.openrdf.query.algebra.evaluation.util

Classes in org.openrdf.query.algebra.evaluation.util that implement QueryOptimizer

Modifier and Type	Class and Description
class	QueryOptimizerList A query optimizer that contains a list of other query optimizers, which are called consecutively when the list's QueryOptimizerList.optimize(TupleExpr, Dataset, BindingSet) method is called.

Fields in org.openrdf.query.algebra.evaluation.util with type parameters of type QueryOptimizer

Modifier and Type	Field and Description
protected List<QueryOptimizer>	QueryOptimizerList.optimizers

Methods in org.openrdf.query.algebra.evaluation.util with parameters of type QueryOptimizer

Modifier and Type	Method and Description
void	QueryOptimizerList.add(QueryOptimizer optimizer)

Constructors in org.openrdf.query.algebra.evaluation.util with parameters of type QueryOptimizer

Constructor and Description
QueryOptimizerList(QueryOptimizer... optimizers)

Constructor parameters in org.openrdf.query.algebra.evaluation.util with type arguments of type QueryOptimizer

Constructor and Description
QueryOptimizerList(List<QueryOptimizer> optimizers)

Uses of QueryOptimizer in org.openrdf.sail.federation.optimizers

Classes in org.openrdf.sail.federation.optimizers that implement QueryOptimizer

Modifier and Type	Class and Description
class	EmptyPatternOptimizer Remove StatementPatterns that have no statements.
class	FederationJoinOptimizer Search for Join, LeftJoin, and Union arguments that can be evaluated in a single member.
class	OwnedTupleExprPruner Remove redundant OwnedTupleExpr.
class	PrepareOwnedTupleExpr Remove redundant OwnedTupleExpr.
class	QueryMultiJoinOptimizer A query optimizer that re-orders nested Joins.

Uses of QueryOptimizer in org.openrdf.sail.rdbms.optimizers

Classes in org.openrdf.sail.rdbms.optimizers that implement QueryOptimizer

Modifier and Type	Class and Description
class	SameTermFilterRdbmsOptimizer A query optimizer that embeds Filters with SameTerm operators in statement patterns as much as possible.
class	SelectQueryOptimizer Rewrites the core algebra model with a relation optimised model, using SQL.
class	SqlConstantOptimizer Optimises SQL constants, include operations with static values and null operations.
class	ValueIdLookupOptimizer Iterates through the query and converting the values into RDBMS values.
class	ValueJoinOptimizer Adds LEFT JOINs to the query for value tables.
class	VarColumnLookupOptimizer Localises variables to use an available column in the current variable scope.

Uses of QueryOptimizer in org.openrdf.sail.rdbms.postgresql

Classes in org.openrdf.sail.rdbms.postgresql that implement QueryOptimizer

Modifier and Type	Class and Description
class	PgSqlRegexFlagsInliner Moves the regular expression flags into the pattern string as per the PostgreSQL syntax.