org.apache.drill.exec.planner.cost

Class DrillRelMdSelectivity

java.lang.Object

org.apache.calcite.rel.metadata.RelMdSelectivity

org.apache.drill.exec.planner.cost.DrillRelMdSelectivity

All Implemented Interfaces:

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

public class DrillRelMdSelectivity
extends org.apache.calcite.rel.metadata.RelMdSelectivity

Field Summary

Fields

Modifier and Type	Field and Description
static Set<org.apache.calcite.sql.SqlKind>	RANGE_PREDICATE
static org.apache.calcite.rel.metadata.RelMetadataProvider	SOURCE

Constructor Summary

Constructors

Constructor and Description
DrillRelMdSelectivity()

Method Summary

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

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

getDef, getSelectivity, getSelectivity, getSelectivity, getSelectivity, getSelectivity, getSelectivity

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

RANGE_PREDICATE

public static final Set<org.apache.calcite.sql.SqlKind> RANGE_PREDICATE

Constructor Detail

DrillRelMdSelectivity

public DrillRelMdSelectivity()

Method Detail

getSelectivity

public Double getSelectivity(org.apache.calcite.rel.RelNode rel,
                             org.apache.calcite.rel.metadata.RelMetadataQuery mq,
                             org.apache.calcite.rex.RexNode predicate)

Overrides:

getSelectivity in class org.apache.calcite.rel.metadata.RelMdSelectivity