// 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:

// Evaluation tree base classes

// 

//

#include "UQ_STD.H"

// class CSqlQuery

CSqlQuery::CSqlQuery()

	{}

CSqlQuery::~CSqlQuery()

	{

	iColumns.Close();

	delete iSearchCondition;

	delete iSortSpecification;

	}

CDbKey& CSqlQuery::SortSpecificationL()

	{

	CDbKey* key=iSortSpecification;

	if (!key)

		iSortSpecification=key=CDbKey::NewL();

	return *key;

	}

void CSqlQuery::RemovePredicate(CSqlCompPredicate* aNode)

	{

	CSqlSearchCondition::TType type=iSearchCondition->NodeType();

	if (type>CSqlSearchCondition::ENotLike && type<CSqlSearchCondition::ENotEqual) 

		{

		delete iSearchCondition;

		iSearchCondition=0;

		}

	else if (type==CSqlSearchCondition::EAnd)

		{

		CSqlMultiNode* multiNode=iSearchCondition->MultiNode();

		multiNode->Remove(aNode);

		iSearchCondition=CSqlMultiNode::Reduce(multiNode);

		}

	else

		__ASSERT(0);

	}

// class CSqlSearchCondition

CSqlSearchCondition::CSqlSearchCondition(TType aType)

	: iType(aType)

	{

	iIsEscape = EFalse;

	}