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

java.lang.Object
  org.eigenbase.rel.metadata.RelMdDistinctRowCount
      org.apache.hadoop.hive.ql.optimizer.optiq.stats.HiveRelMdDistinctRowCount

public class HiveRelMdDistinctRowCount
extends org.eigenbase.rel.metadata.RelMdDistinctRowCount

Field Summary

static org.eigenbase.rel.metadata.RelMetadataProvider

SOURCE

Method Summary

Double	getDistinctRowCount(org.eigenbase.rel.JoinRelBase rel, BitSet groupKey, org.eigenbase.rex.RexNode predicate)
Double	getDistinctRowCount(org.eigenbase.rel.RelNode rel, BitSet groupKey, org.eigenbase.rex.RexNode predicate)
static Double	getDistinctRowCount(org.eigenbase.rel.RelNode r, int indx)

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

getDistinctRowCount, getDistinctRowCount, getDistinctRowCount, getDistinctRowCount, getDistinctRowCount, getDistinctRowCount, getDistinctRowCount

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

getDistinctRowCount

public Double getDistinctRowCount(org.eigenbase.rel.RelNode rel,
                                  BitSet groupKey,
                                  org.eigenbase.rex.RexNode predicate)

Overrides:

getDistinctRowCount in class org.eigenbase.rel.metadata.RelMdDistinctRowCount

getDistinctRowCount

public static Double getDistinctRowCount(org.eigenbase.rel.RelNode r,
                                         int indx)

getDistinctRowCount

public Double getDistinctRowCount(org.eigenbase.rel.JoinRelBase rel,
                                  BitSet groupKey,
                                  org.eigenbase.rex.RexNode predicate)

Overrides:

getDistinctRowCount in class org.eigenbase.rel.metadata.RelMdDistinctRowCount