org.apache.hadoop.hive.ql.optimizer.physical
Interface PhysicalPlanResolver

All Known Implementing Classes:

BucketingSortingInferenceOptimizer, CommonJoinResolver, CrossProductCheck, IndexWhereResolver, MapJoinResolver, MetadataOnlyOptimizer, SamplingOptimizer, SkewJoinResolver, SortMergeJoinResolver, StageIDsRearranger, Vectorizer

public interface PhysicalPlanResolver

Physical plan optimization interface. Each resolver has its own set of optimization rules and transformations.

Method Summary

PhysicalContext

resolve(PhysicalContext pctx) All physical plan resolvers have to implement this entry method.

Method Detail

resolve

PhysicalContext resolve(PhysicalContext pctx)
                        throws SemanticException

All physical plan resolvers have to implement this entry method.

Parameters:

pctx -

Returns:

the physical plan

Throws:

SemanticException