org.apache.calcite.rel.mutable

Class MutableUnion

java.lang.Object

org.apache.calcite.rel.mutable.MutableRel

org.apache.calcite.rel.mutable.MutableSetOp

org.apache.calcite.rel.mutable.MutableUnion

public class MutableUnion
extends MutableSetOp

Mutable equivalent of Union.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<MutableRel>	inputs

Fields inherited from class org.apache.calcite.rel.mutable.MutableSetOp

all

Fields inherited from class org.apache.calcite.rel.mutable.MutableRel

cluster, ordinalInParent, PAIRWISE_STRING_EQUIVALENCE, parent, rowType, STRING_EQUIVALENCE, type

Method Summary

Modifier and Type	Method and Description
void	childrenAccept(MutableRelVisitor visitor)
MutableRel	clone()
protected List<MutableRel>	cloneChildren()
StringBuilder	digest(StringBuilder buf)
List<MutableRel>	getInputs()
static MutableUnion	of(RelDataType rowType, List<MutableRel> inputs, boolean all) Creates a MutableUnion.
void	setInput(int ordinalInParent, MutableRel input)

Methods inherited from class org.apache.calcite.rel.mutable.MutableSetOp

equals, hashCode, isAll

Methods inherited from class org.apache.calcite.rel.mutable.MutableRel

deep, getParent, replaceInParent, toString

Methods inherited from class java.lang.Object

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

Field Detail

inputs

protected final List<MutableRel> inputs

Method Detail

of

public static MutableUnion of(RelDataType rowType,
                              List<MutableRel> inputs,
                              boolean all)

Creates a MutableUnion.

Parameters:

rowType - Row type

inputs - Input relational expressions

all - Whether the union result should include all rows or eliminate duplicates from input relational expressions

digest

public StringBuilder digest(StringBuilder buf)

Specified by:

digest in class MutableRel

clone

public MutableRel clone()

Specified by:

clone in class MutableRel

setInput

public void setInput(int ordinalInParent,
                     MutableRel input)

Specified by:

setInput in class MutableRel

getInputs

public List<MutableRel> getInputs()

Specified by:

getInputs in class MutableRel

childrenAccept

public void childrenAccept(MutableRelVisitor visitor)

Specified by:

childrenAccept in class MutableRel

cloneChildren

protected List<MutableRel> cloneChildren()