com.foundationdb.sql.parser

Class WindowFunctionNode

java.lang.Object

com.foundationdb.sql.parser.QueryTreeNode

com.foundationdb.sql.parser.ValueNode

com.foundationdb.sql.parser.UnaryOperatorNode

com.foundationdb.sql.parser.WindowFunctionNode

All Implemented Interfaces:

Visitable

Direct Known Subclasses:

AggregateWindowFunctionNode, RowNumberFunctionNode

public abstract class WindowFunctionNode
extends UnaryOperatorNode

Superclass of any window function call.

Field Summary

Fields inherited from class com.foundationdb.sql.parser.UnaryOperatorNode

methodName, operator, receiverInterfaceType, resultInterfaceType

Fields inherited from class com.foundationdb.sql.parser.QueryTreeNode

AUTOINCREMENT_CREATE_MODIFY, AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX

Constructor Summary

Constructors

Constructor and Description
WindowFunctionNode()

Method Summary

Methods

Modifier and Type	Method and Description
void	copyFrom(QueryTreeNode node) Fill this node with a deep copy of the given node.
WindowNode	getWindow()
void	init(Object arg1, Object arg2, Object arg3) Initializer for a WindowFunctionNode
boolean	isConstantExpression() ValueNode override.
void	printSubNodes(int depth) QueryTreeNode override.
void	setWindow(WindowDefinitionNode wdn) Set window associated with this window function call.

Methods inherited from class com.foundationdb.sql.parser.UnaryOperatorNode

getMethodName, getOperand, getOperator, init, isEquivalent, setOperand, toString

Methods inherited from class com.foundationdb.sql.parser.ValueNode

getColumnName, getSchemaName, getSourceResultColumn, getTableName, getType, getTypeId, init, isBinaryEqualsOperatorNode, isBooleanFalse, isBooleanTrue, isInListProbeNode, isParameterNode, isRelationalOperator, isSameNodeType, setNullability, setType

Methods inherited from class com.foundationdb.sql.parser.QueryTreeNode

accept, convertDefaultNode, debugFlush, debugPrint, formatNodeString, getBeginOffset, getDebugOutput, getEndOffset, getNodeFactory, getNodeType, getNullNode, getParserContext, getStatementType, getUserData, init, init, init, init, init, init, init, init, init, init, init, isInstanceOf, makeTableName, makeTableName, nodeHeader, printLabel, setBeginOffset, setDebugOutput, setEndOffset, setNodeType, setParserContext, setUserData, stackPrint, treePrint, treePrint, treePrint

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowFunctionNode

public WindowFunctionNode()

Method Detail

init

public void init(Object arg1,
        Object arg2,
        Object arg3)
          throws StandardException

Initializer for a WindowFunctionNode

Overrides:

init in class UnaryOperatorNode

Parameters:

arg1 - null (operand)

arg2 - function mame (operator)

arg3 - window node (definition or reference)

Throws:

StandardException

copyFrom

public void copyFrom(QueryTreeNode node)
              throws StandardException

Fill this node with a deep copy of the given node.

Overrides:

copyFrom in class UnaryOperatorNode

Throws:

StandardException

isConstantExpression

public boolean isConstantExpression()

ValueNode override.

Overrides:

isConstantExpression in class ValueNode

Returns:

Whether or not this expression tree represents a constant expression.

See Also:

ValueNode.isConstantExpression()

getWindow

public WindowNode getWindow()

Returns:

window associated with this window function

setWindow

public void setWindow(WindowDefinitionNode wdn)

Set window associated with this window function call.

Parameters:

wdn - window definition

printSubNodes

public void printSubNodes(int depth)

QueryTreeNode override.

Overrides:

printSubNodes in class UnaryOperatorNode

Parameters:

depth - The depth of this node in the tree

See Also:

QueryTreeNode.printSubNodes(int)