1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/persistentstorage/dbms/usql/UQ_DDL.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,85 @@
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 +// SQL DDL statements
1.18 +//
1.19 +//
1.20 +
1.21 +#include "UQ_STD.H"
1.22 +
1.23 +// Class CSqlCreateTableStatement
1.24 +
1.25 +CDbIncremental* CSqlCreateTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
1.26 + {
1.27 + aDatabase.CreateTableL(iName,iColumns,0);
1.28 + aStep=0;
1.29 + return 0;
1.30 + }
1.31 +
1.32 +// Class CSqlDropTableStatement
1.33 +
1.34 +CDbIncremental* CSqlDropTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
1.35 + {
1.36 + return aDatabase.DropTableL(iName,aStep);
1.37 + }
1.38 +
1.39 +// Class CSqlAlterTableStatement
1.40 +
1.41 +CSqlAlterTableStatement::~CSqlAlterTableStatement()
1.42 + {
1.43 + iDrop.Close();
1.44 + }
1.45 +
1.46 +CDbIncremental* CSqlAlterTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
1.47 + {
1.48 + CDbColSet* set=CDbColSet::NewLC();
1.49 + aDatabase.ColumnsL(*set,iName);
1.50 + TInt todrop=iDrop.Count();
1.51 + for (TDbColSetIter iter(*set);iter;++iter)
1.52 + {
1.53 + TInt ii=-1;
1.54 + for (;;)
1.55 + {
1.56 + if (++ii==todrop)
1.57 + {
1.58 + iAdd.AddL(*iter);
1.59 + break;
1.60 + }
1.61 + if (iter->iName.CompareF(iDrop[ii])==0)
1.62 + {
1.63 + iDrop.Remove(ii);
1.64 + --todrop;
1.65 + break;
1.66 + }
1.67 + }
1.68 + }
1.69 + if (todrop!=0)
1.70 + __LEAVE(KErrNotFound);
1.71 + CleanupStack::PopAndDestroy(); // set
1.72 + return aDatabase.AlterTableL(iName,iAdd,aStep);
1.73 + }
1.74 +
1.75 +// Class CSqlCreateIndexStatement
1.76 +
1.77 +CDbIncremental* CSqlCreateIndexStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison aComparison,TInt& aStep)
1.78 + {
1.79 + iKey.SetComparison(aComparison);
1.80 + return aDatabase.CreateIndexL(iName,iTable,iKey,aStep);
1.81 + }
1.82 +
1.83 +// Class CSqlDropIndexStatement
1.84 +
1.85 +CDbIncremental* CSqlDropIndexStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
1.86 + {
1.87 + return aDatabase.DropIndexL(iName,iTable,aStep);
1.88 + }