123 lines
4.2 KiB
C++
123 lines
4.2 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the QtSql module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 3 requirements
|
|
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 2.0 or (at your option) the GNU General
|
|
** Public license version 3 or any later version approved by the KDE Free
|
|
** Qt Foundation. The licenses are as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
|
|
** https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef QSQLQUERY_H
|
|
#define QSQLQUERY_H
|
|
|
|
#include <QtSql/qtsqlglobal.h>
|
|
#include <QtSql/qsqldatabase.h>
|
|
#include <QtCore/qstring.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
|
|
class QVariant;
|
|
class QSqlDriver;
|
|
class QSqlError;
|
|
class QSqlResult;
|
|
class QSqlRecord;
|
|
template <class Key, class T> class QMap;
|
|
class QSqlQueryPrivate;
|
|
|
|
class Q_SQL_EXPORT QSqlQuery
|
|
{
|
|
public:
|
|
explicit QSqlQuery(QSqlResult *r);
|
|
explicit QSqlQuery(const QString& query = QString(), QSqlDatabase db = QSqlDatabase());
|
|
explicit QSqlQuery(QSqlDatabase db);
|
|
QSqlQuery(const QSqlQuery& other);
|
|
QSqlQuery& operator=(const QSqlQuery& other);
|
|
~QSqlQuery();
|
|
|
|
bool isValid() const;
|
|
bool isActive() const;
|
|
bool isNull(int field) const;
|
|
bool isNull(const QString &name) const;
|
|
int at() const;
|
|
QString lastQuery() const;
|
|
int numRowsAffected() const;
|
|
QSqlError lastError() const;
|
|
bool isSelect() const;
|
|
int size() const;
|
|
const QSqlDriver* driver() const;
|
|
const QSqlResult* result() const;
|
|
bool isForwardOnly() const;
|
|
QSqlRecord record() const;
|
|
|
|
void setForwardOnly(bool forward);
|
|
bool exec(const QString& query);
|
|
QVariant value(int i) const;
|
|
QVariant value(const QString& name) const;
|
|
|
|
void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
|
|
QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
|
|
|
|
bool seek(int i, bool relative = false);
|
|
bool next();
|
|
bool previous();
|
|
bool first();
|
|
bool last();
|
|
|
|
void clear();
|
|
|
|
// prepared query support
|
|
bool exec();
|
|
enum BatchExecutionMode { ValuesAsRows, ValuesAsColumns };
|
|
bool execBatch(BatchExecutionMode mode = ValuesAsRows);
|
|
bool prepare(const QString& query);
|
|
void bindValue(const QString& placeholder, const QVariant& val,
|
|
QSql::ParamType type = QSql::In);
|
|
void bindValue(int pos, const QVariant& val, QSql::ParamType type = QSql::In);
|
|
void addBindValue(const QVariant& val, QSql::ParamType type = QSql::In);
|
|
QVariant boundValue(const QString& placeholder) const;
|
|
QVariant boundValue(int pos) const;
|
|
QMap<QString, QVariant> boundValues() const;
|
|
QString executedQuery() const;
|
|
QVariant lastInsertId() const;
|
|
void finish();
|
|
bool nextResult();
|
|
|
|
private:
|
|
QSqlQueryPrivate* d;
|
|
};
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QSQLQUERY_H
|