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- /****************************************************************************
- **
- ** Definition of QSqlCursor class
- **
- ** Created : 2000-11-03
- **
- ** Copyright (C) 2000 Trolltech AS. All rights reserved.
- **
- ** This file is part of the sql module of the Qt GUI Toolkit.
- **
- ** This file may be distributed under the terms of the Q Public License
- ** as defined by Trolltech AS of Norway and appearing in the file
- ** LICENSE.QPL included in the packaging of this file.
- **
- ** This file may be distributed and/or modified under the terms of the
- ** GNU General Public License version 2 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL included in the
- ** packaging of this file.
- **
- ** Licensees holding valid Qt Enterprise Edition licenses may use this
- ** file in accordance with the Qt Commercial License Agreement provided
- ** with the Software.
- **
- ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- **
- ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
- ** information about Qt Commercial License Agreements.
- ** See http://www.trolltech.com/qpl/ for QPL licensing information.
- ** See http://www.trolltech.com/gpl/ for GPL licensing information.
- **
- ** Contact info@trolltech.com if any conditions of this licensing are
- ** not clear to you.
- **
- **********************************************************************/
-
- #ifndef QSQLCURSOR_H
- #define QSQLCURSOR_H
-
- #ifndef QT_H
- #include "qsqlrecord.h"
- #include "qstringlist.h"
- #include "qsqlquery.h"
- #include "qsqlindex.h"
- #endif // QT_H
-
- #if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
- #define QM_EXPORT_SQL
- #else
- #define QM_EXPORT_SQL Q_EXPORT
- #endif
-
- #ifndef QT_NO_SQL
-
- class QSqlDatabase;
- class QSqlCursorPrivate;
-
- class QM_EXPORT_SQL QSqlCursor : public QSqlRecord, public QSqlQuery
- {
- public:
- QSqlCursor( const QString & name = QString::null, bool autopopulate = TRUE, QSqlDatabase* db = 0 );
- QSqlCursor( const QSqlCursor & other );
- QSqlCursor& operator=( const QSqlCursor& other );
- ~QSqlCursor();
-
- enum Mode {
- ReadOnly = 0,
- Insert = 1,
- Update = 2,
- Delete = 4,
- Writable = 7
- };
-
- QVariant value( int i ) const;
- QVariant value( const QString& name ) const;
- virtual QSqlIndex primaryIndex( bool prime = TRUE ) const;
- virtual QSqlIndex index( const QStringList& fieldNames ) const;
- QSqlIndex index( const QString& fieldName ) const;
- QSqlIndex index( const char* fieldName ) const;
- virtual void setPrimaryIndex( const QSqlIndex& idx );
-
- virtual void append( const QSqlFieldInfo& fieldInfo );
- virtual void insert( int pos, const QSqlFieldInfo& fieldInfo );
- void remove( int pos );
- void clear();
- void setGenerated( const QString& name, bool generated );
- void setGenerated( int i, bool generated );
-
- virtual QSqlRecord* editBuffer( bool copy = FALSE );
- virtual QSqlRecord* primeInsert();
- virtual QSqlRecord* primeUpdate();
- virtual QSqlRecord* primeDelete();
- virtual int insert( bool invalidate = TRUE );
- virtual int update( bool invalidate = TRUE );
- virtual int del( bool invalidate = TRUE );
-
- virtual void setMode( int flags );
- int mode() const;
- virtual void setCalculated( const QString& name, bool calculated );
- bool isCalculated( const QString& name ) const;
- virtual void setTrimmed( const QString& name, bool trim );
- bool isTrimmed( const QString& name ) const;
-
- bool isReadOnly() const;
- bool canInsert() const;
- bool canUpdate() const;
- bool canDelete() const;
-
- bool select();
- bool select( const QSqlIndex& sort );
- bool select( const QSqlIndex & filter, const QSqlIndex & sort );
- virtual bool select( const QString & filter, const QSqlIndex & sort = QSqlIndex() );
-
- virtual void setSort( const QSqlIndex& sort );
- QSqlIndex sort() const;
- virtual void setFilter( const QString& filter );
- QString filter() const;
- virtual void setName( const QString& name, bool autopopulate = TRUE );
- QString name() const;
- QString toString( const QString& prefix = QString::null,
- const QString& sep = "," ) const;
-
- protected:
- void afterSeek();
- bool exec( const QString & sql );
-
- virtual QVariant calculateField( const QString& name );
- virtual int update( const QString & filter, bool invalidate = TRUE );
- virtual int del( const QString & filter, bool invalidate = TRUE );
-
- virtual QString toString( const QString& prefix, QSqlField* field, const QString& fieldSep ) const;
- virtual QString toString( QSqlRecord* rec, const QString& prefix, const QString& fieldSep,
- const QString& sep ) const;
- virtual QString toString( const QSqlIndex& i, QSqlRecord* rec, const QString& prefix,
- const QString& fieldSep, const QString& sep ) const;
-
- private:
- void sync();
- int apply( const QString& q, bool invalidate );
- QSqlRecord& operator=( const QSqlRecord & list );
- void append( const QSqlField& field );
- void insert( int pos, const QSqlField& field );
-
- QSqlCursorPrivate* d;
- };
-
-
-
-
- #endif // QT_NO_SQL
- #endif
-