org.apache.hadoop.hive.ql.optimizer.optiq.stats
Class HiveRelMdSelectivity

java.lang.Object
  org.eigenbase.rel.metadata.RelMdSelectivity
      org.apache.hadoop.hive.ql.optimizer.optiq.stats.HiveRelMdSelectivity

public class HiveRelMdSelectivity
extends org.eigenbase.rel.metadata.RelMdSelectivity

Field Summary

static org.eigenbase.rel.metadata.RelMetadataProvider

SOURCE

Method Summary

Double	getSelectivity(HiveJoinRel j, org.eigenbase.rex.RexNode predicate)
Double	getSelectivity(HiveTableScanRel t, org.eigenbase.rex.RexNode predicate)

Methods inherited from class org.eigenbase.rel.metadata.RelMdSelectivity

getSelectivity, getSelectivity, getSelectivity, getSelectivity, getSelectivity, getSelectivity, getSelectivity

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE

public static final org.eigenbase.rel.metadata.RelMetadataProvider SOURCE

Method Detail

getSelectivity

public Double getSelectivity(HiveTableScanRel t,
                             org.eigenbase.rex.RexNode predicate)

getSelectivity

public Double getSelectivity(HiveJoinRel j,
                             org.eigenbase.rex.RexNode predicate)