org.apache.drill.exec.planner.common

Class DrillUnionRelBase

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.core.SetOp

org.apache.calcite.rel.core.Union

org.apache.drill.exec.planner.common.DrillUnionRelBase

All Implemented Interfaces:

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

Direct Known Subclasses:

DrillUnionRel, PluginUnionRel, UnionPrel

public abstract class DrillUnionRelBase
extends org.apache.calcite.rel.core.Union
implements DrillRelNode

Base class for logical and physical Union implemented in Drill

Nested Class Summary

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.SetOp

all, inputs, kind

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

digest, id, rowType, traitSet

Constructor Summary

Constructors

Constructor and Description
DrillUnionRelBase(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, List<org.apache.calcite.rel.RelNode> inputs, boolean all, boolean checkCompatibility)

Method Summary

Modifier and Type	Method and Description
boolean	isCompatible(boolean compareNames, boolean allowSubstring)
boolean	isDistinct()

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

estimateRowCount, estimateRowCount

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

copy, copy, deriveRowType, explainTerms, getInputs, isHomogeneous, replaceInput

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

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

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

getCluster, getDescription, getDigest, getId, getTraitSet

Constructor Detail

DrillUnionRelBase

public DrillUnionRelBase(org.apache.calcite.plan.RelOptCluster cluster,
                         org.apache.calcite.plan.RelTraitSet traits,
                         List<org.apache.calcite.rel.RelNode> inputs,
                         boolean all,
                         boolean checkCompatibility)
                  throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

Method Detail

isCompatible

public boolean isCompatible(boolean compareNames,
                            boolean allowSubstring)

isDistinct

public boolean isDistinct()

Specified by:

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

Overrides:

isDistinct in class org.apache.calcite.rel.AbstractRelNode