org.apache.hadoop.hive.ql.optimizer

Class AvgPartitionSizeBasedBigTableSelectorForAutoSMJ

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.SizeBasedBigTableSelectorForAutoSMJ

org.apache.hadoop.hive.ql.optimizer.AvgPartitionSizeBasedBigTableSelectorForAutoSMJ

All Implemented Interfaces:

BigTableSelectorForAutoSMJ

public class AvgPartitionSizeBasedBigTableSelectorForAutoSMJ
extends SizeBasedBigTableSelectorForAutoSMJ
implements BigTableSelectorForAutoSMJ

Constructor Summary

Constructors

Constructor and Description
AvgPartitionSizeBasedBigTableSelectorForAutoSMJ()

Method Summary

Methods

Modifier and Type	Method and Description
int	getBigTablePosition(ParseContext parseCtx, JoinOperator joinOp, Set<Integer> bigTableCandidates)

Methods inherited from class org.apache.hadoop.hive.ql.optimizer.SizeBasedBigTableSelectorForAutoSMJ

getListTopOps, getSize, getSize

Methods inherited from class java.lang.Object

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

Constructor Detail

AvgPartitionSizeBasedBigTableSelectorForAutoSMJ

public AvgPartitionSizeBasedBigTableSelectorForAutoSMJ()

Method Detail

getBigTablePosition

public int getBigTablePosition(ParseContext parseCtx,
                      JoinOperator joinOp,
                      Set<Integer> bigTableCandidates)
                        throws SemanticException

Specified by:

getBigTablePosition in interface BigTableSelectorForAutoSMJ

Throws:

SemanticException