Uses of Class
org.apache.pig.newplan.optimizer.Rule

Packages that use Rule

Package	Description
org.apache.pig.newplan.logical.optimizer
org.apache.pig.newplan.logical.rules
org.apache.pig.newplan.optimizer

Uses of Rule in org.apache.pig.newplan.logical.optimizer

Methods in org.apache.pig.newplan.logical.optimizer that return types with arguments of type Rule

Modifier and Type	Method and Description
protected java.util.List<java.util.Set<Rule>>	LogicalPlanOptimizer.buildRuleSets()

Uses of Rule in org.apache.pig.newplan.logical.rules

Subclasses of Rule in org.apache.pig.newplan.logical.rules

Modifier and Type	Class and Description
class	AddForEach
class	ColumnMapKeyPrune This Rule prunes columns and map keys and set to loader.
class	ConstantCalculator
class	FilterAboveForeach This Rule moves Filter Above Foreach.
class	FilterConstantCalculator
class	ForEachConstantCalculator
class	GroupByConstParallelSetter Rule: If a LOCogroup is 'group all', set the parallelism to 1, or in general - if the group-by expression is just a constant then set parallelism to 1 LogicalExpressionSimplifier could be used to convert an expression with constants into a single ConstantExpression
class	LimitOptimizer
class	LoadTypeCastInserter
class	MergeFilter
class	MergeForEach
class	NestedLimitOptimizer
class	PartitionFilterOptimizer
class	PredicatePushdownOptimizer
class	PushDownForEachFlatten It's generally a good idea to do flattens as late as possible as they tend to generate more rows (and so more I/O).
class	PushUpFilter
class	SplitFilter
class	StreamTypeCastInserter
class	TypeCastInserter
class	WholePlanRule Super class for all rules that operates on the whole plan.

Uses of Rule in org.apache.pig.newplan.optimizer

Fields in org.apache.pig.newplan.optimizer with type parameters of type Rule

Modifier and Type	Field and Description
protected java.util.List<java.util.Set<Rule>>	PlanOptimizer.ruleSets

Constructor parameters in org.apache.pig.newplan.optimizer with type arguments of type Rule

Constructor and Description
PlanOptimizer(OperatorPlan p, java.util.List<java.util.Set<Rule>> rs, int iterations)