1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/persistentstorage/dbms/usql/UQ_EVAL.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,66 @@
1.4 +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Evaluation tree base classes
1.18 +//
1.19 +//
1.20 +
1.21 +#include "UQ_STD.H"
1.22 +
1.23 +// class CSqlQuery
1.24 +
1.25 +CSqlQuery::CSqlQuery()
1.26 + {}
1.27 +
1.28 +CSqlQuery::~CSqlQuery()
1.29 + {
1.30 + iColumns.Close();
1.31 + delete iSearchCondition;
1.32 + delete iSortSpecification;
1.33 + }
1.34 +
1.35 +CDbKey& CSqlQuery::SortSpecificationL()
1.36 + {
1.37 + CDbKey* key=iSortSpecification;
1.38 + if (!key)
1.39 + iSortSpecification=key=CDbKey::NewL();
1.40 + return *key;
1.41 + }
1.42 +
1.43 +void CSqlQuery::RemovePredicate(CSqlCompPredicate* aNode)
1.44 + {
1.45 + CSqlSearchCondition::TType type=iSearchCondition->NodeType();
1.46 + if (type>CSqlSearchCondition::ENotLike && type<CSqlSearchCondition::ENotEqual)
1.47 + {
1.48 + delete iSearchCondition;
1.49 + iSearchCondition=0;
1.50 + }
1.51 + else if (type==CSqlSearchCondition::EAnd)
1.52 + {
1.53 + CSqlMultiNode* multiNode=iSearchCondition->MultiNode();
1.54 + multiNode->Remove(aNode);
1.55 + iSearchCondition=CSqlMultiNode::Reduce(multiNode);
1.56 + }
1.57 + else
1.58 + __ASSERT(0);
1.59 + }
1.60 +
1.61 +
1.62 +// class CSqlSearchCondition
1.63 +
1.64 +CSqlSearchCondition::CSqlSearchCondition(TType aType)
1.65 + : iType(aType)
1.66 + {
1.67 + iIsEscape = EFalse;
1.68 + }
1.69 +