Package wt.query

Class KeywordExpression

java.lang.Object

wt.query.KeywordExpression

All Implemented Interfaces:

Serializable, ColumnExpression, wt.query.Expression, OrderByExpression, RelationalExpression

public class KeywordExpression
extends Object
implements ColumnExpression, Serializable

This class represents an expression that evaluates to a SQL keyword that can be used in a SQL statement. There is no special significance to the values represented by this class. When the value evaluates to a string representation it is not quoted and cannot be replaced with a bind parameter.

Supported API: true

Extendable: false

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	KeywordExpression.Keyword	This enumerated type class represents datastore keywords.

Field Summary

Fields inherited from interface wt.query.ColumnExpression

COLUMN_ALIAS

Method Summary

Modifier and Type	Method	Description
String	getColumnAlias()	Gets the value of the attribute: columnAlias; Alias for the column expression.
void	setColumnAlias(String a_ColumnAlias)	Sets the value of the attribute: columnAlias; Alias for the column expression.

Methods inherited from class java.lang.Object

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

Method Details

getColumnAlias

public String getColumnAlias()

Gets the value of the attribute: columnAlias; Alias for the column expression.

Supported API: true

Specified by:

getColumnAlias in interface ColumnExpression

Specified by:

getColumnAlias in interface OrderByExpression

Returns:

String

setColumnAlias

public void setColumnAlias(String a_ColumnAlias)
                    throws WTPropertyVetoException

Sets the value of the attribute: columnAlias; Alias for the column expression.

Supported API: true

Specified by:

setColumnAlias in interface ColumnExpression

Parameters:

a_ColumnAlias -

Throws:

WTPropertyVetoException