mtpfws/mtpfw/src/dbutility.cpp
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     1 // Copyright (c) 2006-2009 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 //
       
    15 
       
    16 
       
    17 #include "dbutility.h"
       
    18 #include "d32dbms.h"
       
    19     
       
    20 /**
       
    21 Check if the table exists in the database.
       
    22 @param aDatabase  the database to use
       
    23 @param aTableName the table name to check
       
    24 @return ETrue if exists, otherwise, EFalse
       
    25 */
       
    26 TBool DBUtility::IsTableExistsL(RDbDatabase& aDatabase, const TDesC& aTableName)
       
    27 	{
       
    28 	TBool result = EFalse;
       
    29 	CDbTableNames* tableNames = aDatabase.TableNamesL();
       
    30 	CleanupStack::PushL(tableNames);
       
    31 	if(tableNames)
       
    32 		{
       
    33 		const TInt count = tableNames->Count();
       
    34 		for(TInt i = 0; i < count; i++)
       
    35 			{
       
    36 			if((*tableNames)[i] == aTableName)
       
    37 				{
       
    38 				result = ETrue;
       
    39 				break;
       
    40 				}
       
    41 			}
       
    42 		}
       
    43 	CleanupStack::PopAndDestroy(tableNames);
       
    44 	return result;	
       
    45 	}
       
    46 
       
    47 /**
       
    48 Check if the specified index exists in the table.
       
    49 @param aDatabase  the database to use
       
    50 @param aTableName the table name to use
       
    51 @param aIndexName the index name to check
       
    52 @return ETrue if the index exists, otherwise, EFalse
       
    53 */
       
    54 TBool DBUtility::IsIndexExistsL(RDbDatabase& aDatabase, const TDesC& aTableName, const TDesC& aIndexName)
       
    55 	{
       
    56 	TBool result = EFalse;
       
    57 	CDbIndexNames* indexNames = aDatabase.IndexNamesL(aTableName);
       
    58 	CleanupStack::PushL(indexNames);
       
    59 	if(indexNames)
       
    60 		{
       
    61 		const TInt count = indexNames->Count();
       
    62 		for(TInt i = 0; i < count; i++)
       
    63 			{
       
    64 			if((*indexNames)[i] == aIndexName)
       
    65 				{
       
    66 				result = ETrue;
       
    67 				break;
       
    68 				}
       
    69 			}
       
    70 		}
       
    71 	CleanupStack::PopAndDestroy(indexNames);
       
    72 	return result;	
       
    73 	}