com.akiban.sql.parser
Class WindowDefinitionNode

java.lang.Object
  com.akiban.sql.parser.QueryTreeNode
      com.akiban.sql.parser.WindowNode
          com.akiban.sql.parser.WindowDefinitionNode

All Implemented Interfaces:

Visitable

public final class WindowDefinitionNode
extends WindowNode

This class represents an OLAP window definition.

Field Summary

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

AUTOINCREMENT_CREATE_MODIFY, AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX

Constructor Summary

WindowDefinitionNode()

Method Summary

void	copyFrom(QueryTreeNode node) Fill this node with a deep copy of the given node.
WindowDefinitionNode	findEquivalentWindow(WindowList wl) Used to merge equivalent window definitions.
OrderByList	getOrderByList()
PartitionByList	getPartitionByList()
void	init(Object arg1, Object arg2, Object arg3) Initializer.
boolean	isInline()
void	printSubNodes(int depth) QueryTreeNode override.
String	toString() java.lang.Object override.

Methods inherited from class com.akiban.sql.parser.WindowNode

getName, init

Methods inherited from class com.akiban.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, 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

WindowDefinitionNode

public WindowDefinitionNode()

Method Detail

init

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

Initializer.

Overrides:

init in class QueryTreeNode

Parameters:

arg1 - The window name, null if in-lined definition

arg2 - PARTITION BY list

arg3 - ORDER BY list

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 WindowNode

Throws:

StandardException

toString

public String toString()

java.lang.Object override.

Overrides:

toString in class QueryTreeNode

Returns:

This node formatted as a String

See Also:

QueryTreeNode.toString()

printSubNodes

public void printSubNodes(int depth)

QueryTreeNode override. Prints the sub-nodes of this object.

Overrides:

printSubNodes in class QueryTreeNode

Parameters:

depth - The depth of this node in the tree

See Also:

QueryTreeNode.printSubNodes(int)

findEquivalentWindow

public WindowDefinitionNode findEquivalentWindow(WindowList wl)

Used to merge equivalent window definitions.

Parameters:

wl - list of window definitions

Returns:

an existing window definition from wl, if 'this' is equivalent to a window in wl.

isInline

public boolean isInline()

Returns:

whether this definition is inline

getOrderByList

public OrderByList getOrderByList()

Returns:

the order by list of this window definition if any, else null.

getPartitionByList

public PartitionByList getPartitionByList()

Returns:

the partition by list of this window definition if any, else null.