org.apache.drill.exec.planner.cost

Class DrillRelMdDistinctRowCount

java.lang.Object

org.apache.calcite.rel.metadata.RelMdDistinctRowCount

org.apache.drill.exec.planner.cost.DrillRelMdDistinctRowCount

All Implemented Interfaces:

org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.DistinctRowCount>

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

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
DrillRelMdDistinctRowCount()

Method Summary

Methods

Modifier and Type	Method and Description
Double	getDistinctRowCount(org.apache.calcite.rel.RelNode rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq, org.apache.calcite.util.ImmutableBitSet groupKey, org.apache.calcite.rex.RexNode predicate)

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

getDef, getDistinctRowCount, getDistinctRowCount, 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

Constructor Detail

DrillRelMdDistinctRowCount

public DrillRelMdDistinctRowCount()

Method Detail

getDistinctRowCount

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

Overrides:

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