org.apache.calcite.adapter.enumerable

Class EnumerableUnion

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.core.SetOp

org.apache.calcite.rel.core.Union

org.apache.calcite.adapter.enumerable.EnumerableUnion

All Implemented Interfaces:

Cloneable, EnumerableRel, RelOptNode, RelNode

public class EnumerableUnion
extends Union
implements EnumerableRel

Implementation of Union in enumerable calling convention.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.adapter.enumerable.EnumerableRel

EnumerableRel.Prefer, EnumerableRel.Result

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.calcite.adapter.enumerable.EnumerableRel

FILTER_FACTORY, PROJECT_FACTORY

Constructor Summary

Constructors

Constructor and Description
EnumerableUnion(RelOptCluster cluster, RelTraitSet traitSet, List<RelNode> inputs, boolean all)

Method Summary

Methods

Modifier and Type	Method and Description
EnumerableUnion	copy(RelTraitSet traitSet, List<RelNode> inputs, boolean all)
EnumerableRel.Result	implement(EnumerableRelImplementor implementor, EnumerableRel.Prefer pref) Creates a plan for this expression according to a calling convention.

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

estimateRowCount, getRows

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

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

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

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesStopped, isDistinct, 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, copy, 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

EnumerableUnion

public EnumerableUnion(RelOptCluster cluster,
               RelTraitSet traitSet,
               List<RelNode> inputs,
               boolean all)

Method Detail

copy

public EnumerableUnion copy(RelTraitSet traitSet,
                   List<RelNode> inputs,
                   boolean all)

Specified by:

copy in class SetOp

implement

public EnumerableRel.Result implement(EnumerableRelImplementor implementor,
                             EnumerableRel.Prefer pref)

Description copied from interface: EnumerableRel

Creates a plan for this expression according to a calling convention.

Specified by:

implement in interface EnumerableRel

Parameters:

implementor - Implementor

pref - Preferred representation for rows in result expression

Returns:

Plan for this expression according to a calling convention