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161 lines
5.8 KiB
161 lines
5.8 KiB
13 years ago
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/****************************************************************************
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**
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** Definition of TQSqlCursor class
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**
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** Created : 2000-11-03
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**
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** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the sql module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing retquirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQSQLCURSOR_H
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#define TQSQLCURSOR_H
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#ifndef QT_H
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#include "qsqlrecord.h"
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#include "qstringlist.h"
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#include "qsqlquery.h"
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#include "qsqlindex.h"
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#endif // QT_H
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#if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
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#define TQM_EXPORT_SQL
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#else
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#define TQM_EXPORT_SQL Q_EXPORT
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#endif
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#ifndef QT_NO_SQL
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class TQSqlDatabase;
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class TQSqlCursorPrivate;
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class TQM_EXPORT_SQL TQSqlCursor : public TQSqlRecord, public TQSqlQuery
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{
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public:
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TQSqlCursor( const TQString & name = TQString::null, bool autopopulate = TRUE, TQSqlDatabase* db = 0 );
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TQSqlCursor( const TQSqlCursor & other );
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TQSqlCursor& operator=( const TQSqlCursor& other );
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~TQSqlCursor();
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enum Mode {
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ReadOnly = 0,
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Insert = 1,
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Update = 2,
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Delete = 4,
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Writable = 7
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};
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TQVariant value( int i ) const;
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TQVariant value( const TQString& name ) const;
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void setValue( int i, const TQVariant& val );
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void setValue( const TQString& name, const TQVariant& val );
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virtual TQSqlIndex primaryIndex( bool prime = TRUE ) const;
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virtual TQSqlIndex index( const TQStringList& fieldNames ) const;
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TQSqlIndex index( const TQString& fieldName ) const;
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TQSqlIndex index( const char* fieldName ) const;
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virtual void setPrimaryIndex( const TQSqlIndex& idx );
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virtual void append( const TQSqlFieldInfo& fieldInfo );
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virtual void insert( int pos, const TQSqlFieldInfo& fieldInfo );
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void remove( int pos );
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void clear();
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void setGenerated( const TQString& name, bool generated );
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void setGenerated( int i, bool generated );
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virtual TQSqlRecord* editBuffer( bool copy = FALSE );
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virtual TQSqlRecord* primeInsert();
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virtual TQSqlRecord* primeUpdate();
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virtual TQSqlRecord* primeDelete();
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virtual int insert( bool invalidate = TRUE );
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virtual int update( bool invalidate = TRUE );
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virtual int del( bool invalidate = TRUE );
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virtual void setMode( int flags );
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int mode() const;
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virtual void setCalculated( const TQString& name, bool calculated );
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bool isCalculated( const TQString& name ) const;
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virtual void setTrimmed( const TQString& name, bool trim );
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bool isTrimmed( const TQString& name ) const;
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bool isReadOnly() const;
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bool canInsert() const;
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bool canUpdate() const;
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bool canDelete() const;
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bool select();
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bool select( const TQSqlIndex& sort );
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bool select( const TQSqlIndex & filter, const TQSqlIndex & sort );
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virtual bool select( const TQString & filter, const TQSqlIndex & sort = TQSqlIndex() );
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virtual void setSort( const TQSqlIndex& sort );
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TQSqlIndex sort() const;
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virtual void setFilter( const TQString& filter );
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TQString filter() const;
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virtual void setName( const TQString& name, bool autopopulate = TRUE );
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TQString name() const;
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TQString toString( const TQString& prefix = TQString::null,
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const TQString& sep = "," ) const;
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bool isNull( int i ) const;
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bool isNull( const TQString& name ) const;
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protected:
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void afterSeek();
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bool exec( const TQString & sql );
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virtual TQVariant calculateField( const TQString& name );
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virtual int update( const TQString & filter, bool invalidate = TRUE );
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virtual int del( const TQString & filter, bool invalidate = TRUE );
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virtual TQString toString( const TQString& prefix, TQSqlField* field, const TQString& fieldSep ) const;
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virtual TQString toString( TQSqlRecord* rec, const TQString& prefix, const TQString& fieldSep,
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const TQString& sep ) const;
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virtual TQString toString( const TQSqlIndex& i, TQSqlRecord* rec, const TQString& prefix,
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const TQString& fieldSep, const TQString& sep ) const;
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private:
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void sync();
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int apply( const TQString& q, bool invalidate );
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int applyPrepared( const TQString& q, bool invalidate );
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TQSqlRecord& operator=( const TQSqlRecord & list );
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void append( const TQSqlField& field );
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void insert( int pos, const TQSqlField& field );
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TQSqlCursorPrivate* d;
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};
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#endif // QT_NO_SQL
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#endif
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