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| 20 | <font color="#004faf">Home</font></a>
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| 22 | <font color="#004faf">All Classes</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qsqlcursor.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qsqlcursor.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | **
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| 39 | ** Definition of QSqlCursor class
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| 40 | **
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| 41 | ** Created : 2000-11-03
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| 42 | **
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| 43 | ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
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| 44 | **
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| 45 | ** This file is part of the sql module of the Qt GUI Toolkit.
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| 46 | **
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| 47 | ** This file may be distributed under the terms of the Q Public License
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| 48 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 49 | ** LICENSE.QPL included in the packaging of this file.
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| 50 | **
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| 51 | ** This file may be distributed and/or modified under the terms of the
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| 52 | ** GNU General Public License version 2 as published by the Free Software
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| 53 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 54 | ** packaging of this file.
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| 55 | **
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| 56 | ** Licensees holding valid Qt Enterprise Edition licenses may use this
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| 57 | ** file in accordance with the Qt Commercial License Agreement provided
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| 58 | ** with the Software.
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| 59 | **
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| 60 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 61 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 62 | **
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| 63 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 64 | ** information about Qt Commercial License Agreements.
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| 65 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 66 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 67 | **
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| 68 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 69 | ** not clear to you.
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| 70 | **
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| 71 | **********************************************************************/
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| 72 |
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| 73 | #ifndef QSQLCURSOR_H
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| 74 | #define QSQLCURSOR_H
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| 75 |
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| 76 | #ifndef QT_H
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| 77 | #include "qsqlrecord.h"
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| 78 | #include "qstringlist.h"
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| 79 | #include "qsqlquery.h"
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| 80 | #include "qsqlindex.h"
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| 81 | #endif // QT_H
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| 82 |
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| 83 | #if !defined( QT_MODULE_SQL ) || defined( QT_LICENSE_PROFESSIONAL )
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| 84 | #define QM_EXPORT_SQL
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| 85 | #else
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| 86 | #define QM_EXPORT_SQL Q_EXPORT
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| 87 | #endif
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| 88 |
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| 89 | #ifndef QT_NO_SQL
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| 90 |
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| 91 | class QSqlDatabase;
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| 92 | class QSqlCursorPrivate;
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| 93 |
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| 94 | class QM_EXPORT_SQL QSqlCursor : public QSqlRecord, public QSqlQuery
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| 95 | {
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| 96 | public:
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| 97 | QSqlCursor( const QString & name = QString::null, bool autopopulate = TRUE, QSqlDatabase* db = 0 );
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| 98 | QSqlCursor( const QSqlCursor & other );
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| 99 | QSqlCursor& operator=( const QSqlCursor& other );
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| 100 | ~QSqlCursor();
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| 101 |
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| 102 | enum Mode {
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| 103 | ReadOnly = 0,
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| 104 | Insert = 1,
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| 105 | Update = 2,
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| 106 | Delete = 4,
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| 107 | Writable = 7
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| 108 | };
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| 109 |
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| 110 | QVariant value( int i ) const;
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| 111 | QVariant value( const QString& name ) const;
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| 112 | void setValue( int i, const QVariant& val );
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| 113 | void setValue( const QString& name, const QVariant& val );
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| 114 | virtual QSqlIndex primaryIndex( bool prime = TRUE ) const;
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| 115 | virtual QSqlIndex index( const QStringList& fieldNames ) const;
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| 116 | QSqlIndex index( const QString& fieldName ) const;
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| 117 | QSqlIndex index( const char* fieldName ) const;
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| 118 | virtual void setPrimaryIndex( const QSqlIndex& idx );
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| 119 |
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| 120 | virtual void append( const QSqlFieldInfo& fieldInfo );
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| 121 | virtual void insert( int pos, const QSqlFieldInfo& fieldInfo );
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| 122 | void remove( int pos );
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| 123 | void clear();
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| 124 | void setGenerated( const QString& name, bool generated );
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| 125 | void setGenerated( int i, bool generated );
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| 126 |
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| 127 | virtual QSqlRecord* editBuffer( bool copy = FALSE );
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| 128 | virtual QSqlRecord* primeInsert();
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| 129 | virtual QSqlRecord* primeUpdate();
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| 130 | virtual QSqlRecord* primeDelete();
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| 131 | virtual int insert( bool invalidate = TRUE );
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| 132 | virtual int update( bool invalidate = TRUE );
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| 133 | virtual int del( bool invalidate = TRUE );
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| 134 |
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| 135 | virtual void setMode( int flags );
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| 136 | int mode() const;
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| 137 | virtual void setCalculated( const QString& name, bool calculated );
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| 138 | bool isCalculated( const QString& name ) const;
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| 139 | virtual void setTrimmed( const QString& name, bool trim );
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| 140 | bool isTrimmed( const QString& name ) const;
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| 141 |
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| 142 | bool isReadOnly() const;
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| 143 | bool canInsert() const;
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| 144 | bool canUpdate() const;
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| 145 | bool canDelete() const;
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| 146 |
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| 147 | bool select();
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| 148 | bool select( const QSqlIndex& sort );
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| 149 | bool select( const QSqlIndex & filter, const QSqlIndex & sort );
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| 150 | virtual bool select( const QString & filter, const QSqlIndex & sort = QSqlIndex() );
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| 151 |
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| 152 | virtual void setSort( const QSqlIndex& sort );
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| 153 | QSqlIndex sort() const;
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| 154 | virtual void setFilter( const QString& filter );
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| 155 | QString filter() const;
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| 156 | virtual void setName( const QString& name, bool autopopulate = TRUE );
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| 157 | QString name() const;
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| 158 | QString toString( const QString& prefix = QString::null,
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| 159 | const QString& sep = "," ) const;
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| 160 | bool isNull( int i ) const;
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| 161 | bool isNull( const QString& name ) const;
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| 162 |
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| 163 | protected:
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| 164 | void afterSeek();
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| 165 | bool exec( const QString & sql );
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| 166 |
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| 167 | virtual QVariant calculateField( const QString& name );
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| 168 | virtual int update( const QString & filter, bool invalidate = TRUE );
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| 169 | virtual int del( const QString & filter, bool invalidate = TRUE );
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| 170 |
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| 171 | virtual QString toString( const QString& prefix, QSqlField* field, const QString& fieldSep ) const;
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| 172 | virtual QString toString( QSqlRecord* rec, const QString& prefix, const QString& fieldSep,
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| 173 | const QString& sep ) const;
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| 174 | virtual QString toString( const QSqlIndex& i, QSqlRecord* rec, const QString& prefix,
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| 175 | const QString& fieldSep, const QString& sep ) const;
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| 176 |
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| 177 | private:
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| 178 | void sync();
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| 179 | int apply( const QString& q, bool invalidate );
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| 180 | int applyPrepared( const QString& q, bool invalidate );
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| 181 | QSqlRecord& operator=( const QSqlRecord & list );
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| 182 | void append( const QSqlField& field );
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| 183 | void insert( int pos, const QSqlField& field );
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| 184 |
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| 185 | QSqlCursorPrivate* d;
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| 186 | };
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| 187 |
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| 188 |
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| 189 |
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| 190 |
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| 191 | #endif // QT_NO_SQL
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| 192 | #endif
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| 193 | </pre>
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| 194 | <!-- eof -->
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| 195 | <p><address><hr><div align=center>
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| 196 | <table width=100% cellspacing=0 border=0><tr>
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| 197 | <td>Copyright © 2007
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| 198 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 199 | <td align=right><div align=right>Qt 3.3.8</div>
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| 200 | </table></div></address></body>
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| 201 | </html>
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