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

Packages that use QueryOptimizer

org.openrdf.query.algebra.evaluation.impl
org.openrdf.query.algebra.evaluation.util
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

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	FilterOptimizer Optimizes a query model by pushing Filters as far down in the model tree as possible.
class	QueryJoinOptimizer A query optimizer that re-orders nested Joins.
class	QueryModelPruner A query optimizer that prunes query model trees by removing superfluous parts and/or by reducing complex parts with simpler parts.
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

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

protected List<QueryOptimizer>

QueryOptimizerList.optimizers

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

void	QueryOptimizerList.add(QueryOptimizer optimizer)

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

QueryOptimizerList(QueryOptimizer... optimizers)

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

QueryOptimizerList(List<QueryOptimizer> optimizers)

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

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

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

class

PgSqlRegexFlagsInliner Moves the regular expression flags into the pattern string as per the PostgreSQL syntax.