Symaptic: os/persistentdata/persistentstorage/dbms/utable/UT

     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 //

    16 #include "UT_STD.H"

    18 // Class HDbColumnMap

    20 class HDbColumnMap

    21 	{

    22 public:

    23 	static HDbColumnMap* NewL(const RSqlColumnList& aSelect,const HDbColumnSet& aColumns);

    24 	inline const TDbColNo& operator[](TDbColNo aCol) const

    25 		{__ASSERT(aCol>0&&aCol<=iCount);return iMap[aCol-1];}

    26 	inline TInt Count() const

    27 		{return iCount;}

    28 private:

    29 	TInt iCount;

    30 	TDbColNo iMap[1];	// at least one

    31 	};

    33 HDbColumnMap* HDbColumnMap::NewL(const RSqlColumnList& aSelect,const HDbColumnSet& aColumns)

    34 	{

    35 	TInt count=aSelect.Count();

    36 	HDbColumnMap* self=(HDbColumnMap*)User::AllocLC(_FOFF(HDbColumnMap,iMap[count]));

    37 	self->iCount=count;

    38 	TDbColNo* pCol=&self->iMap[0];

    39 	for (TInt ii=0;ii<count;++ii)

    40 		{

    41 		TDbColNo col=aColumns.ColNoL(aSelect[ii]);

    42 		if (col==KDbNullColNo)

    43 			__LEAVE(KErrNotFound);

    44 		*pCol++=col;

    45 		}

    46 	CleanupStack::Pop();

    47 	return self;

    48 	}

    50 // Class CDbProjectStage

    52 CDbProjectStage::CDbProjectStage()

    53 	{}

    55 CDbProjectStage::~CDbProjectStage()

    56 	{

    57 	delete iMap;

    58 	}

    60 void CDbProjectStage::ConstructL(const RSqlColumnList& aSelect,const HDbColumnSet& aColumns)

    61 //

    62 // Build the column map and allocate a row buffer

    63 //

    64 	{

    65 	iMap=HDbColumnMap::NewL(aSelect,aColumns);

    66 	}

    68 RDbRow* CDbProjectStage::RowBuffer()

    69 //

    70 // whole-row access cannot be done through a projection

    71 //

    72 	{

    73 	return 0;

    74 	}

    76 TDbColumn CDbProjectStage::Column(TDbColNo aColNo)

    77 	{

    78 	return CDbDataStage::Column((*iMap)[aColNo]);

    79 	}

    81 TInt CDbProjectStage::ColumnCount() const

    82 	{

    83 	return iMap->Count();

    84 	}

    86 const TDbColumnDef& CDbProjectStage::ColumnDef(TDbColNo aCol) const

    87 	{

    88 	return CDbDataStage::ColumnDef((*iMap)[aCol]);

    89 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--