com.foundationdb.sql.parser

Class GroupByColumn

java.lang.Object

com.foundationdb.sql.parser.QueryTreeNode

com.foundationdb.sql.parser.OrderedColumn

com.foundationdb.sql.parser.GroupByColumn

All Implemented Interfaces:

Visitable

public class GroupByColumn
extends OrderedColumn

A GroupByColumn is a column in the GROUP BY clause.

Field Summary

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

columnPosition, UNMATCHEDPOSITION

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
GroupByColumn()

Method Summary

Methods

Modifier and Type	Method and Description
void	copyFrom(QueryTreeNode node) Fill this node with a deep copy of the given node.
ValueNode	getColumnExpression()
String	getColumnName() Get the name of this column
void	init(Object colRef) Initializer.
void	printSubNodes(int depth) Prints the sub-nodes of this object.
void	setColumnExpression(ValueNode cexpr)

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

getColumnPosition, isAscending, isNullsOrderedLow, setColumnPosition, toString

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, 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

GroupByColumn

public GroupByColumn()

Method Detail

init

public void init(Object colRef)

Initializer.

Overrides:

init in class QueryTreeNode

Parameters:

colRef - The ColumnReference for the grouping column

copyFrom

public void copyFrom(QueryTreeNode node)
              throws StandardException

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

Overrides:

copyFrom in class OrderedColumn

Throws:

StandardException

printSubNodes

public void printSubNodes(int depth)

Prints the sub-nodes of this object. See QueryTreeNode.java for how tree printing is supposed to work.

Overrides:

printSubNodes in class QueryTreeNode

Parameters:

depth - The depth of this node in the tree

getColumnName

public String getColumnName()

Get the name of this column

Returns:

The name of this column

getColumnExpression

public ValueNode getColumnExpression()

setColumnExpression

public void setColumnExpression(ValueNode cexpr)