1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtSql module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** No Commercial Usage
11 ** This file contains pre-release code and may not be distributed.
12 ** You may use this file in accordance with the terms and conditions
13 ** contained in the Technology Preview License Agreement accompanying
16 ** GNU Lesser General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU Lesser
18 ** General Public License version 2.1 as published by the Free Software
19 ** Foundation and appearing in the file LICENSE.LGPL included in the
20 ** packaging of this file. Please review the following information to
21 ** ensure the GNU Lesser General Public License version 2.1 requirements
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 ** In addition, as a special exception, Nokia gives you certain additional
25 ** rights. These rights are described in the Nokia Qt LGPL Exception
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 ** If you have questions regarding the use of this file, please contact
29 ** Nokia at qt-info@nokia.com.
40 ****************************************************************************/
45 #include <QtCore/qvariant.h>
46 #include <QtCore/qvector.h>
47 #include <QtSql/qsql.h>
57 template <typename T> class QVector;
61 class QSqlResultPrivate;
63 class Q_SQL_EXPORT QSqlResult
65 friend class QSqlQuery;
66 friend class QSqlTableModelPrivate;
67 friend class QSqlResultPrivate;
70 virtual ~QSqlResult();
71 virtual QVariant handle() const;
78 , BindByPosition = PositionalBinding,
79 BindByName = NamedBinding
83 explicit QSqlResult(const QSqlDriver * db);
85 QString lastQuery() const;
86 QSqlError lastError() const;
88 bool isActive() const;
89 bool isSelect() const;
90 bool isForwardOnly() const;
91 const QSqlDriver* driver() const;
92 virtual void setAt(int at);
93 virtual void setActive(bool a);
94 virtual void setLastError(const QSqlError& e);
95 virtual void setQuery(const QString& query);
96 virtual void setSelect(bool s);
97 virtual void setForwardOnly(bool forward);
99 // prepared query support
101 virtual bool prepare(const QString& query);
102 virtual bool savePrepare(const QString& sqlquery);
103 virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);
104 virtual void bindValue(const QString& placeholder, const QVariant& val,
105 QSql::ParamType type);
106 void addBindValue(const QVariant& val, QSql::ParamType type);
107 QVariant boundValue(const QString& placeholder) const;
108 QVariant boundValue(int pos) const;
109 QSql::ParamType bindValueType(const QString& placeholder) const;
110 QSql::ParamType bindValueType(int pos) const;
111 int boundValueCount() const;
112 QVector<QVariant>& boundValues() const;
113 QString executedQuery() const;
114 QString boundValueName(int pos) const;
116 bool hasOutValues() const;
118 BindingSyntax bindingSyntax() const;
120 virtual QVariant data(int i) = 0;
121 virtual bool isNull(int i) = 0;
122 virtual bool reset(const QString& sqlquery) = 0;
123 virtual bool fetch(int i) = 0;
124 virtual bool fetchNext();
125 virtual bool fetchPrevious();
126 virtual bool fetchFirst() = 0;
127 virtual bool fetchLast() = 0;
128 virtual int size() = 0;
129 virtual int numRowsAffected() = 0;
130 virtual QSqlRecord record() const;
131 virtual QVariant lastInsertId() const;
133 enum VirtualHookOperation { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };
134 virtual void virtual_hook(int id, void *data);
135 bool execBatch(bool arrayBind = false);
136 void detachFromResultSet();
137 void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
138 QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
142 QSqlResultPrivate* d;
143 void resetBindCount(); // HACK
146 Q_DISABLE_COPY(QSqlResult)
153 #endif // QSQLRESULT_H