Package org.apache.calcite.rex

Class RexWindowBound.RexWindowBoundUnbounded

java.lang.Object

org.apache.calcite.rex.RexWindowBound

org.apache.calcite.rex.RexWindowBound.RexWindowBoundUnbounded

Enclosing class:

RexWindowBound

private static class RexWindowBound.RexWindowBoundUnbounded
extends RexWindowBound

Implements UNBOUNDED PRECEDING/FOLLOWING bound.

Field Summary

Fields

Modifier and Type	Field	Description
private SqlNode	node

Constructor Summary

Constructors

Constructor	Description
RexWindowBoundUnbounded(SqlNode node)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
int	getOrderKey()	Returns relative sort offset when known at compile time.
int	hashCode()
boolean	isFollowing()	Returns if the bound is FOLLOWING.
boolean	isPreceding()	Returns if the bound is PRECEDING.
boolean	isUnbounded()	Returns if the bound is unbounded.
java.lang.String	toString()

Methods inherited from class org.apache.calcite.rex.RexWindowBound

accept, create, getOffset, isCurrentRow

Methods inherited from class java.lang.Object

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

Field Detail

node

private final SqlNode node

Constructor Detail

RexWindowBoundUnbounded

RexWindowBoundUnbounded(SqlNode node)

Method Detail

isUnbounded

public boolean isUnbounded()

Description copied from class: RexWindowBound

Returns if the bound is unbounded.

Overrides:

isUnbounded in class RexWindowBound

Returns:

if the bound is unbounded

isPreceding

public boolean isPreceding()

Description copied from class: RexWindowBound

Returns if the bound is PRECEDING.

Overrides:

isPreceding in class RexWindowBound

Returns:

if the bound is PRECEDING

isFollowing

public boolean isFollowing()

Description copied from class: RexWindowBound

Returns if the bound is FOLLOWING.

Overrides:

isFollowing in class RexWindowBound

Returns:

if the bound is FOLLOWING

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getOrderKey

public int getOrderKey()

Description copied from class: RexWindowBound

Returns relative sort offset when known at compile time. For instance, UNBOUNDED PRECEDING is less than CURRENT ROW.

Overrides:

getOrderKey in class RexWindowBound

Returns:

relative order or -1 when order is not known

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object