/* -*-objc-*-
   EOSQLExpression.h

   Copyright (C) 2002,2003,2004,2005 Free Software Foundation, Inc.

   Author: Mirko Viviani <mirko.viviani@gmail.com>
   Date: Mars 2002

   This file is part of the GNUstep Database Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; see the file COPYING.LIB.
   If not, write to the Free Software Foundation,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

#ifndef __EOSQLExpressionPriv_h__
#define __EOSQLExpressionPriv_h__

#include <EOAccess/EOSQLExpression.h>
#include <EOAccess/EORelationship.h>

@class NSString;
@class EOEntity;


@interface EOSQLExpression (EOSQLExpressionPrivate)

- (EOEntity *)_rootEntityForExpression;
- (NSString*) _aliasForRelationshipPath:(NSString*)relationshipPath;
- (NSString*) _flattenRelPath: (NSString*)relationshipPath
                       entity: (EOEntity*)entity;
- (NSString *)_sqlStringForJoinSemantic: (EOJoinSemantic)joinSemantic
			  matchSemantic: (int)param1;
- (NSString*) _aliasForRelatedAttribute: (EOAttribute*)attribute
                       relationshipPath: (NSString*)relationshipPath;
- (id)_entityForRelationshipPath: (id)param0
			  origin: (id)param1;

@end

#endif /* __EOSQLExpressionPriv_h__ */