// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // SQL NULL-predicate node class

 // 

 //

 #include "UQ_STD.H"

 // class CSqlNullPredicate

 CSqlNullPredicate::CSqlNullPredicate(TType aType,const TDesC& aColumn)

 	: CSqlBoundNode(aType,aColumn)

 	{

 	__ASSERT(aType==EIsNull||aType==EIsNotNull);

 	}

 TBool CSqlNullPredicate::EvaluateL(const TTextOps&) const

 	{

 	__ASSERT(IsBound());

 	TBool null=Column().IsNull();

 	return NodeType()==EIsNull ? null : !null;

 	}