sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // SQL NULL-predicate node class
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "UQ_STD.H"
sl@0: 
sl@0: // class CSqlNullPredicate
sl@0: 
sl@0: CSqlNullPredicate::CSqlNullPredicate(TType aType,const TDesC& aColumn)
sl@0: 	: CSqlBoundNode(aType,aColumn)
sl@0: 	{
sl@0: 	__ASSERT(aType==EIsNull||aType==EIsNotNull);
sl@0: 	}
sl@0: 
sl@0: TBool CSqlNullPredicate::EvaluateL(const TTextOps&) const
sl@0: 	{
sl@0: 	__ASSERT(IsBound());
sl@0: 	TBool null=Column().IsNull();
sl@0: 	return NodeType()==EIsNull ? null : !null;
sl@0: 	}
sl@0: