org.apache.calcite.rel.mutable

Class MutableSort

java.lang.Object

org.apache.calcite.rel.mutable.MutableRel

org.apache.calcite.rel.mutable.MutableSort

public class MutableSort
extends MutableRel

Mutable equivalent of Sort.

Field Summary

Fields

Modifier and Type	Field and Description
RelCollation	collation
@Nullable RexNode	fetch
protected MutableRel	input
@Nullable RexNode	offset

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()
StringBuilder	digest(StringBuilder buf)
boolean	equals(@Nullable Object obj)
MutableRel	getInput()
List<MutableRel>	getInputs()
int	hashCode()
static MutableSort	of(MutableRel input, RelCollation collation, @Nullable RexNode offset, @Nullable RexNode fetch) Creates a MutableSort.
void	setInput(int ordinalInParent, MutableRel input)

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

collation

public final RelCollation collation

offset

public final @Nullable RexNode offset

fetch

public final @Nullable RexNode fetch

input

protected MutableRel input

Method Detail

of

public static MutableSort of(MutableRel input,
                             RelCollation collation,
                             @Nullable RexNode offset,
                             @Nullable RexNode fetch)

Creates a MutableSort.

Parameters:

input - Input relational expression

collation - Array of sort specifications

offset - Expression for number of rows to discard before returning first row

fetch - Expression for number of rows to fetch

equals

public boolean equals(@Nullable Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

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

getInput

public MutableRel getInput()