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

Class HiveRelMdCost

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.calcite.cost.HiveRelMdCost

All Implemented Interfaces:

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

public class HiveRelMdCost
extends Object
implements org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.NonCumulativeCost>

HiveRelMdCost supplies the implementation of cost model.

Constructor Summary

Constructors

Constructor and Description
HiveRelMdCost(HiveCostModel hiveCostModel)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.NonCumulativeCost>	getDef()
org.apache.calcite.rel.metadata.RelMetadataProvider	getMetadataProvider()
org.apache.calcite.plan.RelOptCost	getNonCumulativeCost(HiveAggregate aggregate, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.plan.RelOptCost	getNonCumulativeCost(HiveJoin join, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.plan.RelOptCost	getNonCumulativeCost(HiveTableScan ts, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
org.apache.calcite.plan.RelOptCost	getNonCumulativeCost(org.apache.calcite.rel.RelNode rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Methods inherited from class java.lang.Object

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

Constructor Detail

HiveRelMdCost

public HiveRelMdCost(HiveCostModel hiveCostModel)

Method Detail

getMetadataProvider

public org.apache.calcite.rel.metadata.RelMetadataProvider getMetadataProvider()

getDef

public org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.NonCumulativeCost> getDef()

Specified by:

getDef in interface org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.NonCumulativeCost>

getNonCumulativeCost

public org.apache.calcite.plan.RelOptCost getNonCumulativeCost(HiveAggregate aggregate,
                                                               org.apache.calcite.rel.metadata.RelMetadataQuery mq)

getNonCumulativeCost

public org.apache.calcite.plan.RelOptCost getNonCumulativeCost(HiveJoin join,
                                                               org.apache.calcite.rel.metadata.RelMetadataQuery mq)

getNonCumulativeCost

public org.apache.calcite.plan.RelOptCost getNonCumulativeCost(HiveTableScan ts,
                                                               org.apache.calcite.rel.metadata.RelMetadataQuery mq)

getNonCumulativeCost

public org.apache.calcite.plan.RelOptCost getNonCumulativeCost(org.apache.calcite.rel.RelNode rel,
                                                               org.apache.calcite.rel.metadata.RelMetadataQuery mq)