org.apache.drill.exec.planner.cost

Class DrillRelMdRowCount

java.lang.Object

org.apache.calcite.rel.metadata.RelMdRowCount

org.apache.drill.exec.planner.cost.DrillRelMdRowCount

All Implemented Interfaces:

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

public class DrillRelMdRowCount
extends org.apache.calcite.rel.metadata.RelMdRowCount

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
DrillRelMdRowCount()

Method Summary

Modifier and Type	Method and Description
Double	getRowCount(org.apache.calcite.rel.core.Aggregate rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
double	getRowCount(DrillLimitRelBase rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
Double	getRowCount(org.apache.calcite.rel.core.Filter rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
Double	getRowCount(org.apache.calcite.rel.core.Join rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
Double	getRowCount(org.apache.calcite.rel.core.TableScan rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
Double	getRowCount(org.apache.calcite.rel.core.Union rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)

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

getDef, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount, getRowCount

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

DrillRelMdRowCount

public DrillRelMdRowCount()

Method Detail

getRowCount

public Double getRowCount(org.apache.calcite.rel.core.Aggregate rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Overrides:

getRowCount in class org.apache.calcite.rel.metadata.RelMdRowCount

getRowCount

public double getRowCount(DrillLimitRelBase rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

getRowCount

public Double getRowCount(org.apache.calcite.rel.core.Union rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Overrides:

getRowCount in class org.apache.calcite.rel.metadata.RelMdRowCount

getRowCount

public Double getRowCount(org.apache.calcite.rel.core.Join rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Overrides:

getRowCount in class org.apache.calcite.rel.metadata.RelMdRowCount

getRowCount

public Double getRowCount(org.apache.calcite.rel.core.Filter rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Overrides:

getRowCount in class org.apache.calcite.rel.metadata.RelMdRowCount

getRowCount

public Double getRowCount(org.apache.calcite.rel.core.TableScan rel,
                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Overrides:

getRowCount in class org.apache.calcite.rel.metadata.RelMdRowCount