org.apache.pig.experimental.plan.optimizer
Interface PlanTransformListener
- All Known Implementing Classes:
- ProjectionPatcher, SchemaPatcher
public interface PlanTransformListener
A listener class that patches up plans after they have been transformed.
transformed
void transformed(OperatorPlan fp,
OperatorPlan tp)
throws IOException
- the listener that is notified after a plan is transformed
- Parameters:
fp
- the full plan that has been transformedtp
- a plan containing only the operators that have been transformed
- Throws:
IOException
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