org.apache.drill.exec.planner.logical

Class DrillUnionRel

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

org.apache.drill.exec.planner.logical.DrillUnionRel

All Implemented Interfaces:

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

public class DrillUnionRel
extends DrillUnionRelBase
implements DrillRel

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

Fields inherited from interface org.apache.drill.exec.planner.logical.DrillRel

DRILL_LOGICAL

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
static DrillUnionRel	convert(Union union, ConversionContext context)
DrillUnionRel	copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, boolean all)
LogicalOperator	implement(DrillImplementor implementor)

Methods inherited from class org.apache.drill.exec.planner.common.DrillUnionRelBase

isCompatible, isDistinct

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

estimateRowCount, estimateRowCount

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

copy, deriveRowType, explainTerms, getInputs, isHomogeneous, replaceInput

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

accept, accept, childrenAccept, 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, 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, copy, estimateRowCount, 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

DrillUnionRel

public DrillUnionRel(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

Creates a DrillUnionRel.

Throws:

org.apache.calcite.rel.InvalidRelException

Method Detail

copy

public DrillUnionRel copy(org.apache.calcite.plan.RelTraitSet traitSet,
                          List<org.apache.calcite.rel.RelNode> inputs,
                          boolean all)

Specified by:

copy in class org.apache.calcite.rel.core.SetOp

computeSelfCost

public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                          org.apache.calcite.rel.metadata.RelMetadataQuery mq)

Specified by:

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

Overrides:

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

implement

public LogicalOperator implement(DrillImplementor implementor)

Specified by:

implement in interface DrillRel

convert

public static DrillUnionRel convert(Union union,
                                    ConversionContext context)
                             throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException