os/persistentdata/persistentstorage/dbms/usql/UQ_DDL.CPP
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// SQL DDL statements
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// 
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//
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#include "UQ_STD.H"
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// Class CSqlCreateTableStatement
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CDbIncremental* CSqlCreateTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
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	{
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	aDatabase.CreateTableL(iName,iColumns,0);
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	aStep=0;
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	return 0;
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	}
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// Class CSqlDropTableStatement
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CDbIncremental* CSqlDropTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
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	{
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	return aDatabase.DropTableL(iName,aStep);
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	}
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// Class CSqlAlterTableStatement
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CSqlAlterTableStatement::~CSqlAlterTableStatement()
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	{
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	iDrop.Close();
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	}
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CDbIncremental* CSqlAlterTableStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
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	{
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	CDbColSet* set=CDbColSet::NewLC();
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	aDatabase.ColumnsL(*set,iName);
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	TInt todrop=iDrop.Count();
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	for (TDbColSetIter iter(*set);iter;++iter)
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		{
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		TInt ii=-1;
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		for (;;)
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			{
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			if (++ii==todrop)
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				{
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				iAdd.AddL(*iter);
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				break;
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				}
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			if (iter->iName.CompareF(iDrop[ii])==0)
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				{
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				iDrop.Remove(ii);
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				--todrop;
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				break;
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				}
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			}
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		}
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	if (todrop!=0)
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		__LEAVE(KErrNotFound);
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	CleanupStack::PopAndDestroy();	// set
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	return aDatabase.AlterTableL(iName,iAdd,aStep);
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	}
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// Class CSqlCreateIndexStatement
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CDbIncremental* CSqlCreateIndexStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison aComparison,TInt& aStep)
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	{
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	iKey.SetComparison(aComparison);
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	return aDatabase.CreateIndexL(iName,iTable,iKey,aStep);
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	}
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// Class CSqlDropIndexStatement
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CDbIncremental* CSqlDropIndexStatement::ExecuteL(CDbDatabase& aDatabase,TDbTextComparison,TInt& aStep)
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	{
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	return aDatabase.DropIndexL(iName,iTable,aStep);
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	}