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

AvgPartitionSizeBasedBigTableSelectorForAutoSMJ()

Method Summary

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

Methods inherited from class java.lang.Object

equals, 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