org.apache.calcite.rel.core

Class Window.RexWinAggCall

java.lang.Object

org.apache.calcite.rex.RexNode

org.apache.calcite.rex.RexCall

org.apache.calcite.rel.core.Window.RexWinAggCall

Enclosing class:

Window

public static class Window.RexWinAggCall
extends RexCall

A call to a windowed aggregate function.

Belongs to a Window.Group.

It's a bastard son of a RexCall; similar enough that it gets visited by a RexVisitor, but it also has some extra data members.

Field Summary

Fields

Modifier and Type	Field and Description
int	ordinal Ordinal of this aggregate within its partition.

Fields inherited from class org.apache.calcite.rex.RexCall

operands

Fields inherited from class org.apache.calcite.rex.RexNode

digest

Constructor Summary

Constructors

Constructor and Description
Window.RexWinAggCall(SqlAggFunction aggFun, RelDataType type, List<RexNode> operands, int ordinal) Creates a RexWinAggCall.

Method Summary

Methods

Modifier and Type	Method and Description
RexCall	clone(RelDataType type, List<RexNode> operands) Creates a new call to the same operator with different operands.

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

accept, computeDigest, getKind, getOperands, getOperator, getType, isAlwaysFalse, isAlwaysTrue, toString

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

isA, isA

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ordinal

public final int ordinal

Ordinal of this aggregate within its partition.

Constructor Detail

Window.RexWinAggCall

public Window.RexWinAggCall(SqlAggFunction aggFun,
                    RelDataType type,
                    List<RexNode> operands,
                    int ordinal)

Creates a RexWinAggCall.

Parameters:

aggFun - Aggregate function

type - Result type

operands - Operands to call

ordinal - Ordinal within its partition

Method Detail

clone

public RexCall clone(RelDataType type,
            List<RexNode> operands)

Description copied from class: RexCall

Creates a new call to the same operator with different operands.

Overrides:

clone in class RexCall

Parameters:

type - Return type

operands - Operands to call

Returns:

New call