org.apache.hadoop.hive.ql.optimizer.spark

Class SparkSkewJoinResolver

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.spark.SparkSkewJoinResolver

All Implemented Interfaces:

PhysicalPlanResolver

public class SparkSkewJoinResolver
extends Object
implements PhysicalPlanResolver

Spark version of SkewJoinResolver.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SparkSkewJoinResolver.SparkSkewJoinProcCtx

Constructor Summary

Constructors

Constructor and Description
SparkSkewJoinResolver()

Method Summary

Methods

Modifier and Type	Method and Description
PhysicalContext	resolve(PhysicalContext pctx) All physical plan resolvers have to implement this entry method.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SparkSkewJoinResolver

public SparkSkewJoinResolver()

Method Detail

resolve

public PhysicalContext resolve(PhysicalContext pctx)
                        throws SemanticException

Description copied from interface: PhysicalPlanResolver

All physical plan resolvers have to implement this entry method.

Specified by:

resolve in interface PhysicalPlanResolver

Returns:

the physical plan

Throws:

SemanticException