os/persistentdata/persistentstorage/dbms/usql/UQ_EVAL.CPP
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // Evaluation tree base classes
    15 // 
    16 //
    17 
    18 #include "UQ_STD.H"
    19 
    20 // class CSqlQuery
    21 
    22 CSqlQuery::CSqlQuery()
    23 	{}
    24 
    25 CSqlQuery::~CSqlQuery()
    26 	{
    27 	iColumns.Close();
    28 	delete iSearchCondition;
    29 	delete iSortSpecification;
    30 	}
    31 
    32 CDbKey& CSqlQuery::SortSpecificationL()
    33 	{
    34 	CDbKey* key=iSortSpecification;
    35 	if (!key)
    36 		iSortSpecification=key=CDbKey::NewL();
    37 	return *key;
    38 	}
    39 
    40 void CSqlQuery::RemovePredicate(CSqlCompPredicate* aNode)
    41 	{
    42 	CSqlSearchCondition::TType type=iSearchCondition->NodeType();
    43 	if (type>CSqlSearchCondition::ENotLike && type<CSqlSearchCondition::ENotEqual) 
    44 		{
    45 		delete iSearchCondition;
    46 		iSearchCondition=0;
    47 		}
    48 	else if (type==CSqlSearchCondition::EAnd)
    49 		{
    50 		CSqlMultiNode* multiNode=iSearchCondition->MultiNode();
    51 		multiNode->Remove(aNode);
    52 		iSearchCondition=CSqlMultiNode::Reduce(multiNode);
    53 		}
    54 	else
    55 		__ASSERT(0);
    56 	}
    57 
    58 
    59 // class CSqlSearchCondition
    60 
    61 CSqlSearchCondition::CSqlSearchCondition(TType aType)
    62 	: iType(aType)
    63 	{
    64 	iIsEscape = EFalse;
    65 	}
    66