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