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

Field Summary

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

aggCalls, groupSet, groupSets, indicator, IS_SIMPLE

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, boolean indicator, org.apache.calcite.util.ImmutableBitSet groupSet, List<org.apache.calcite.util.ImmutableBitSet> groupSets, List<org.apache.calcite.rel.core.AggregateCall> aggCalls)

Method Summary

Methods

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)

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

computeSelfCost, containsDistinctCall, copy, copy, deriveRowType, deriveRowType, estimateRowCount, explainTerms, getAggCallList, getGroupCount, getGroupSet, getGroupSets, getGroupType, getIndicatorCount, getNamedAggCalls, isDistinct, isValid

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, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, isKey, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

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

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

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, computeSelfCost, copy, estimateRowCount, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesStopped, isDistinct, isKey, 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,
                     boolean indicator,
                     org.apache.calcite.util.ImmutableBitSet groupSet,
                     List<org.apache.calcite.util.ImmutableBitSet> groupSets,
                     List<org.apache.calcite.rel.core.AggregateCall> aggCalls)
                      throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

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)