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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>qsqlquery.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qsqlquery.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 QSqlQuery 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 QSQLQUERY_H
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| 74 | #define QSQLQUERY_H
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| 75 |
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| 76 | #ifndef QT_H
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| 77 | #include "qobject.h"
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| 78 | #include "qstring.h"
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| 79 | #include "qvariant.h"
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| 80 | #include "qvaluelist.h"
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| 81 | #include "qsqlerror.h"
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| 82 | #include "qsqlfield.h"
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| 83 | #include "qsql.h"
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| 84 | #endif // QT_H
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| 85 |
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| 86 | #ifndef QT_NO_SQL
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| 87 |
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| 88 | class QSqlDriver;
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| 89 | class QSqlResult;
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| 90 | class QSqlDatabase;
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| 91 |
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| 92 | class Q_EXPORT QSqlResultShared : public QObject, public QShared
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| 93 | {
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| 94 | Q_OBJECT
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| 95 | public:
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| 96 | QSqlResultShared( QSqlResult* result );
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| 97 | virtual ~QSqlResultShared();
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| 98 | QSqlResult* sqlResult;
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| 99 | QString executedQuery;
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| 100 | private slots:
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| 101 | void slotResultDestroyed();
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| 102 | };
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| 103 |
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| 104 | class Q_EXPORT QSqlQuery
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| 105 | {
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| 106 | public:
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| 107 | QSqlQuery( QSqlResult * r );
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| 108 | QSqlQuery( const QString& query = QString::null, QSqlDatabase* db = 0 );
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| 109 | Q_EXPLICIT QSqlQuery( QSqlDatabase* db );
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| 110 | QSqlQuery( const QSqlQuery& other );
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| 111 | QSqlQuery& operator=( const QSqlQuery& other );
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| 112 | virtual ~QSqlQuery();
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| 113 |
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| 114 | bool isValid() const;
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| 115 | bool isActive() const;
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| 116 | bool isNull( int field ) const;
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| 117 | int at() const;
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| 118 | QString lastQuery() const;
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| 119 | int numRowsAffected() const;
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| 120 | QSqlError lastError() const;
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| 121 | bool isSelect() const;
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| 122 | int size() const;
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| 123 | const QSqlDriver* driver() const;
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| 124 | const QSqlResult* result() const;
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| 125 | bool isForwardOnly() const;
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| 126 | void setForwardOnly( bool forward );
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| 127 |
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| 128 | virtual bool exec ( const QString& query );
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| 129 | virtual QVariant value( int i ) const;
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| 130 |
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| 131 | virtual bool seek( int i, bool relative = FALSE );
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| 132 | virtual bool next();
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| 133 | virtual bool prev();
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| 134 | virtual bool first();
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| 135 | virtual bool last();
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| 136 |
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| 137 | // prepared query support
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| 138 | bool exec();
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| 139 | bool prepare( const QString& query );
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| 140 | void bindValue( const QString& placeholder, const QVariant& val );
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| 141 | void bindValue( int pos, const QVariant& val );
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| 142 | void addBindValue( const QVariant& val );
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| 143 | // remove these overloads in 4.0
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| 144 | void bindValue( const QString& placeholder, const QVariant& val, QSql::ParameterType type );
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| 145 | void bindValue( int pos, const QVariant& val, QSql::ParameterType type );
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| 146 | void addBindValue( const QVariant& val, QSql::ParameterType type );
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| 147 | QVariant boundValue( const QString& placeholder ) const;
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| 148 | QVariant boundValue( int pos ) const;
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| 149 | QMap<QString, QVariant> boundValues() const;
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| 150 | QString executedQuery() const;
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| 151 |
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| 152 | protected:
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| 153 | virtual void beforeSeek();
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| 154 | virtual void afterSeek();
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| 155 |
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| 156 | private:
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| 157 | void init( const QString& query, QSqlDatabase* db );
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| 158 | void deref();
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| 159 | bool checkDetach();
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| 160 | QSqlResultShared* d;
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| 161 | };
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| 162 |
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| 163 |
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| 164 | #endif // QT_NO_SQL
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| 165 | #endif
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| 166 | </pre>
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| 167 | <!-- eof -->
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| 168 | <p><address><hr><div align=center>
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| 169 | <table width=100% cellspacing=0 border=0><tr>
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| 170 | <td>Copyright © 2007
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| 171 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 172 | <td align=right><div align=right>Qt 3.3.8</div>
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| 173 | </table></div></address></body>
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