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Diffstat (limited to 'src/sql/qsqlcursor.h')
| -rw-r--r-- | src/sql/qsqlcursor.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/sql/qsqlcursor.h b/src/sql/qsqlcursor.h new file mode 100644 index 000000000..8c00f7132 --- /dev/null +++ b/src/sql/qsqlcursor.h @@ -0,0 +1,160 @@ +/**************************************************************************** +** +** Definition of TQSqlCursor class +** +** Created : 2000-11-03 +** +** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the sql module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQSQLCURSOR_H +#define TQSQLCURSOR_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 TQM_EXPORT_SQL +#else +#define TQM_EXPORT_SQL Q_EXPORT +#endif + +#ifndef QT_NO_SQL + +class TQSqlDatabase; +class TQSqlCursorPrivate; + +class TQM_EXPORT_SQL TQSqlCursor : public TQSqlRecord, public TQSqlQuery +{ +public: + TQSqlCursor( const TQString & name = TQString::null, bool autopopulate = TRUE, TQSqlDatabase* db = 0 ); + TQSqlCursor( const TQSqlCursor & other ); + TQSqlCursor& operator=( const TQSqlCursor& other ); + ~TQSqlCursor(); + + enum Mode { + ReadOnly = 0, + Insert = 1, + Update = 2, + Delete = 4, + Writable = 7 + }; + + TQVariant value( int i ) const; + TQVariant value( const TQString& name ) const; + void setValue( int i, const TQVariant& val ); + void setValue( const TQString& name, const TQVariant& val ); + virtual TQSqlIndex primaryIndex( bool prime = TRUE ) const; + virtual TQSqlIndex index( const TQStringList& fieldNames ) const; + TQSqlIndex index( const TQString& fieldName ) const; + TQSqlIndex index( const char* fieldName ) const; + virtual void setPrimaryIndex( const TQSqlIndex& idx ); + + virtual void append( const TQSqlFieldInfo& fieldInfo ); + virtual void insert( int pos, const TQSqlFieldInfo& fieldInfo ); + void remove( int pos ); + void clear(); + void setGenerated( const TQString& name, bool generated ); + void setGenerated( int i, bool generated ); + + virtual TQSqlRecord* editBuffer( bool copy = FALSE ); + virtual TQSqlRecord* primeInsert(); + virtual TQSqlRecord* primeUpdate(); + virtual TQSqlRecord* 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 TQString& name, bool calculated ); + bool isCalculated( const TQString& name ) const; + virtual void setTrimmed( const TQString& name, bool trim ); + bool isTrimmed( const TQString& name ) const; + + bool isReadOnly() const; + bool canInsert() const; + bool canUpdate() const; + bool canDelete() const; + + bool select(); + bool select( const TQSqlIndex& sort ); + bool select( const TQSqlIndex & filter, const TQSqlIndex & sort ); + virtual bool select( const TQString & filter, const TQSqlIndex & sort = TQSqlIndex() ); + + virtual void setSort( const TQSqlIndex& sort ); + TQSqlIndex sort() const; + virtual void setFilter( const TQString& filter ); + TQString filter() const; + virtual void setName( const TQString& name, bool autopopulate = TRUE ); + TQString name() const; + TQString toString( const TQString& prefix = TQString::null, + const TQString& sep = "," ) const; + bool isNull( int i ) const; + bool isNull( const TQString& name ) const; + +protected: + void afterSeek(); + bool exec( const TQString & sql ); + + virtual TQVariant calculateField( const TQString& name ); + virtual int update( const TQString & filter, bool invalidate = TRUE ); + virtual int del( const TQString & filter, bool invalidate = TRUE ); + + virtual TQString toString( const TQString& prefix, TQSqlField* field, const TQString& fieldSep ) const; + virtual TQString toString( TQSqlRecord* rec, const TQString& prefix, const TQString& fieldSep, + const TQString& sep ) const; + virtual TQString toString( const TQSqlIndex& i, TQSqlRecord* rec, const TQString& prefix, + const TQString& fieldSep, const TQString& sep ) const; + +private: + void sync(); + int apply( const TQString& q, bool invalidate ); + int applyPrepared( const TQString& q, bool invalidate ); + TQSqlRecord& operator=( const TQSqlRecord & list ); + void append( const TQSqlField& field ); + void insert( int pos, const TQSqlField& field ); + + TQSqlCursorPrivate* d; +}; + + + + +#endif // QT_NO_SQL +#endif |