SqlUtil::AbstractConstraint Class Reference

abstract base class for constraints More...

#include <SqlUtil.qm.dox.h>

Inheritance diagram for SqlUtil::AbstractConstraint:

Public Member Functions
abstract	clearIndex ()
	clears any index base for the constraint
	constructor (string n)
	creates the object and sets its name
bool	equal (AbstractConstraint c)
	returns True if the argument is equal to the current object, False if not
abstract string	getCreateSql (string table_name, *hash< auto > opt)
	returns a string that can be used to create the constraint in the database
string	getDisableSql (string table_name)
	returns a string that can be used to temporarily disable the constraint from the database; if disabling constraints is not supported, then the constraint will be dropped
string	getDropSql (string table_name)
	returns a string that can be used to drop the constraint from the database
string	getEnableSql (string table_name, *hash< auto > opt)
	returns a string that can be used to enable the constraint in the database; if disabling constraints is not supported, then the constraint will be dropped
string	getName ()
	returns the constraint name
abstract list< auto >	getRenameSql (string table_name, string new_name)
	returns a list of SQL strings that can be used to rename the constraint in the database
bool	hasColumn (string cname)
	returns True if the constraint references the named column
	rename (string n)
	renames the constraint
abstract bool	setIndexBase (string ix)
	returns True if the object supports an index property and is set, False if not

Protected Member Functions
abstract bool	equalImpl (AbstractConstraint c)
	returns True if the argument is equal to the current object, False if not

Protected Attributes
string	name
	the name of the constraint

Detailed Description

abstract base class for constraints