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/* This file is part of the KDE project
Copyright (C) 2003-2006 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KEXIDB_CONN_SQLITE_H
#define KEXIDB_CONN_SQLITE_H
#include <tqstringlist.h>
#include <kexidb/connection.h>
/*!
*/
namespace KexiDB
{
class SQLiteConnectionInternal;
class Driver;
//! sqlite-specific connection
class SQLiteConnection : public Connection
{
Q_OBJECT
public:
virtual ~SQLiteConnection();
virtual Cursor* prepareQuery( const TQString& statement, uint cursor_options = 0 );
virtual Cursor* prepareQuery( QuerySchema& query, uint cursor_options = 0 );
//#ifndef SQLITE2 //TEMP IFDEF!
virtual PreparedStatement::Ptr prepareStatement(PreparedStatement::StatementType type,
FieldList& fields);
//#endif
/*! Reimplemented to provide real read-only flag of the connection */
virtual bool isReadOnly() const;
protected:
/*! Used by driver */
SQLiteConnection( Driver *driver, ConnectionData &conn_data );
virtual bool drv_connect(KexiDB::ServerVersionInfo& version);
virtual bool drv_disconnect();
virtual bool drv_getDatabasesList( TQStringList &list );
//TODO: move this somewhere to low level class (MIGRATION?)
virtual bool drv_getTablesList( TQStringList &list );
//TODO: move this somewhere to low level class (MIGRATION?)
virtual bool drv_containsTable( const TQString &tableName );
/*! Creates new database using connection. Note: Do not pass \a dbName
arg because for file-based engine (that has one database per connection)
it is defined during connection. */
virtual bool drv_createDatabase( const TQString &dbName = TQString() );
/*! Opens existing database using connection. Do not pass \a dbName
arg because for file-based engine (that has one database per connection)
it is defined during connection. If you pass it,
database file name will be changed. */
virtual bool drv_useDatabase( const TQString &dbName = TQString(), bool *cancelled = 0,
MessageHandler* msgHandler = 0 );
virtual bool drv_closeDatabase();
/*! Drops database from the server using connection.
After drop, database shouldn't be accessible
anymore, so database file is just removed. See note from drv_useDatabase(). */
virtual bool drv_dropDatabase( const TQString &dbName = TQString() );
//virtual bool drv_createTable( const KexiDB::Table& table );
virtual bool drv_executeSQL( const TQString& statement );
// virtual bool drv_executeQuery( const TQString& statement );
virtual TQ_ULLONG drv_lastInsertRowID();
virtual int serverResult();
virtual TQString serverResultName();
virtual TQString serverErrorMsg();
virtual void drv_clearServerResult();
virtual tristate drv_changeFieldProperty(TableSchema &table, Field& field,
const TQString& propertyName, const TQVariant& value);
#ifdef SQLITE2
/*! Alters table's described \a tableSchema name to \a newName.
This implementation is ineffective but works.
- creates a copy of the table
- copies all rows
- drops old table.
All the above should be performed within single transaction.
\return true on success.
More advanced server backends implement this using "ALTER TABLE .. RENAME TO".
*/
virtual bool drv_alterTableName(TableSchema& tableSchema, const TQString& newName, bool replace = false);
#endif
//! for drv_changeFieldProperty()
tristate changeFieldType(TableSchema &table, Field& field, Field::Type type);
SQLiteConnectionInternal* d;
friend class SQLiteDriver;
friend class SQLiteCursor;
};
}
#endif
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