org.apache.hadoop.hive.ql.optimizer.calcite.stats

Class HiveRelMdDistinctRowCount

java.lang.Object

org.apache.calcite.rel.metadata.RelMdDistinctRowCount

org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdDistinctRowCount

public class HiveRelMdDistinctRowCount
extends org.apache.calcite.rel.metadata.RelMdDistinctRowCount

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.rel.metadata.RelMetadataProvider	SOURCE

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.calcite.plan.RelOptCost	getCumulativeCost(HiveJoin rel)
Double	getDistinctRowCount(org.apache.calcite.rel.core.Join rel, org.apache.calcite.util.ImmutableBitSet groupKey, org.apache.calcite.rex.RexNode predicate)
Double	getDistinctRowCount(org.apache.calcite.rel.RelNode rel, org.apache.calcite.util.ImmutableBitSet groupKey, org.apache.calcite.rex.RexNode predicate)
static Double	getDistinctRowCount(org.apache.calcite.rel.RelNode r, int indx)

Methods inherited from class org.apache.calcite.rel.metadata.RelMdDistinctRowCount

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

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE

public static final org.apache.calcite.rel.metadata.RelMetadataProvider SOURCE

Method Detail

getDistinctRowCount

public Double getDistinctRowCount(org.apache.calcite.rel.RelNode rel,
                         org.apache.calcite.util.ImmutableBitSet groupKey,
                         org.apache.calcite.rex.RexNode predicate)

Overrides:

getDistinctRowCount in class org.apache.calcite.rel.metadata.RelMdDistinctRowCount

getDistinctRowCount

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

getDistinctRowCount

public Double getDistinctRowCount(org.apache.calcite.rel.core.Join rel,
                         org.apache.calcite.util.ImmutableBitSet groupKey,
                         org.apache.calcite.rex.RexNode predicate)

Overrides:

getDistinctRowCount in class org.apache.calcite.rel.metadata.RelMdDistinctRowCount

getCumulativeCost

public org.apache.calcite.plan.RelOptCost getCumulativeCost(HiveJoin rel)