org.apache.drill.exec.planner.common

Class DrillAggregateRelBase

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Aggregate

org.apache.drill.exec.planner.common.DrillAggregateRelBase

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode

Direct Known Subclasses:

AggPrelBase, DrillAggregateRel

public abstract class DrillAggregateRelBase
extends org.apache.calcite.rel.core.Aggregate
implements DrillRelNode

Base class for logical and physical Aggregations implemented in Drill

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.core.Aggregate

org.apache.calcite.rel.core.Aggregate.AggCallBinding, org.apache.calcite.rel.core.Aggregate.Group

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields inherited from class org.apache.calcite.rel.core.Aggregate

aggCalls, groupSet, groupSets, indicator, IS_NOT_GRAND_TOTAL, IS_SIMPLE, NO_INDICATOR

Fields inherited from class org.apache.calcite.rel.SingleRel

input

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

Constructor Summary

Constructors

Constructor and Description
DrillAggregateRelBase(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode child, org.apache.calcite.util.ImmutableBitSet groupSet, List<org.apache.calcite.util.ImmutableBitSet> groupSets, List<org.apache.calcite.rel.core.AggregateCall> aggCalls)

Method Summary

Modifier and Type	Method and Description
protected org.apache.calcite.plan.RelOptCost	computeHashAggCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq) Estimate cost of hash agg.
protected org.apache.calcite.plan.RelOptCost	computeLogicalAggCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
double	estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Methods inherited from class org.apache.calcite.rel.core.Aggregate

checkIndicator, computeSelfCost, containsDistinctCall, copy, copy, copy, deriveRowType, deriveRowType, explainTerms, getAggCallList, getGroupCount, getGroupSet, getGroupSets, getGroupType, getIndicatorCount, getNamedAggCalls, isNotGrandTotal, isSimple, isValid, noIndicator

Methods inherited from class org.apache.calcite.rel.SingleRel

childrenAccept, getInput, getInputs, replaceInput

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

accept, accept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, equals, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, hashCode, isDistinct, isKey, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, computeSelfCost, copy, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

Methods inherited from interface org.apache.calcite.plan.RelOptNode

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

DrillAggregateRelBase

public DrillAggregateRelBase(org.apache.calcite.plan.RelOptCluster cluster,
                             org.apache.calcite.plan.RelTraitSet traits,
                             org.apache.calcite.rel.RelNode child,
                             org.apache.calcite.util.ImmutableBitSet groupSet,
                             List<org.apache.calcite.util.ImmutableBitSet> groupSets,
                             List<org.apache.calcite.rel.core.AggregateCall> aggCalls)

Method Detail

computeHashAggCost

protected org.apache.calcite.plan.RelOptCost computeHashAggCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                                org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Estimate cost of hash agg. Called by DrillAggregateRel.computeSelfCost() and HashAggPrel.computeSelfCost()

computeLogicalAggCost

protected org.apache.calcite.plan.RelOptCost computeLogicalAggCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                                   org.apache.calcite.rel.metadata.RelMetadataQuery mq)

estimateRowCount

public double estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

estimateRowCount in interface org.apache.calcite.rel.RelNode

Overrides:

estimateRowCount in class org.apache.calcite.rel.core.Aggregate