public class LogicalPlanOptimizer extends PlanOptimizer
listeners, maxIter, plan, ruleSets| Constructor and Description |
|---|
LogicalPlanOptimizer(OperatorPlan p,
int iterations,
Set<String> turnOffRules) |
LogicalPlanOptimizer(OperatorPlan p,
int iterations,
Set<String> turnOffRules,
PigContext pc)
Create a new LogicalPlanOptimizer.
|
| Modifier and Type | Method and Description |
|---|---|
protected List<Set<Rule>> |
buildRuleSets() |
addPlanTransformListener, optimizepublic LogicalPlanOptimizer(OperatorPlan p, int iterations, Set<String> turnOffRules)
public LogicalPlanOptimizer(OperatorPlan p, int iterations, Set<String> turnOffRules, PigContext pc)
p - Plan to optimize.iterations - Maximum number of optimizer iterations.turnOffRules - Optimization rules to disable. "all" disables all non-mandatory
rules. null enables all rules.pc - PigContext objectCopyright © 2007-2017 The Apache Software Foundation