147 lines
4.9 KiB
C++
147 lines
4.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtSql module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSQLRESULT_H
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#define QSQLRESULT_H
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#include <QtSql/qtsqlglobal.h>
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#include <QtCore/qvariant.h>
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#include <QtCore/qcontainerfwd.h>
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// for testing:
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class tst_QSqlQuery;
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QT_BEGIN_NAMESPACE
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class QString;
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class QSqlRecord;
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class QVariant;
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class QSqlDriver;
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class QSqlError;
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class QSqlResultPrivate;
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class Q_SQL_EXPORT QSqlResult
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{
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Q_DECLARE_PRIVATE(QSqlResult)
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friend class QSqlQuery;
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friend class QSqlTableModelPrivate;
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// for testing:
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friend class ::tst_QSqlQuery;
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public:
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virtual ~QSqlResult();
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virtual QVariant handle() const;
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protected:
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enum BindingSyntax {
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PositionalBinding,
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NamedBinding
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};
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explicit QSqlResult(const QSqlDriver * db);
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QSqlResult(QSqlResultPrivate &dd);
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int at() const;
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QString lastQuery() const;
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QSqlError lastError() const;
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bool isValid() const;
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bool isActive() const;
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bool isSelect() const;
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bool isForwardOnly() const;
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const QSqlDriver* driver() const;
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virtual void setAt(int at);
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virtual void setActive(bool a);
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virtual void setLastError(const QSqlError& e);
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virtual void setQuery(const QString& query);
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virtual void setSelect(bool s);
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virtual void setForwardOnly(bool forward);
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// prepared query support
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virtual bool exec();
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virtual bool prepare(const QString& query);
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virtual bool savePrepare(const QString& sqlquery);
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virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);
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virtual void bindValue(const QString& placeholder, const QVariant& val,
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QSql::ParamType type);
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void addBindValue(const QVariant& val, QSql::ParamType type);
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QVariant boundValue(const QString& placeholder) const;
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QVariant boundValue(int pos) const;
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QSql::ParamType bindValueType(const QString& placeholder) const;
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QSql::ParamType bindValueType(int pos) const;
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int boundValueCount() const;
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QList<QVariant> &boundValues() const;
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QString executedQuery() const;
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QString boundValueName(int pos) const;
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void clear();
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bool hasOutValues() const;
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BindingSyntax bindingSyntax() const;
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virtual QVariant data(int i) = 0;
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virtual bool isNull(int i) = 0;
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virtual bool reset(const QString& sqlquery) = 0;
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virtual bool fetch(int i) = 0;
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virtual bool fetchNext();
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virtual bool fetchPrevious();
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virtual bool fetchFirst() = 0;
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virtual bool fetchLast() = 0;
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virtual int size() = 0;
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virtual int numRowsAffected() = 0;
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virtual QSqlRecord record() const;
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virtual QVariant lastInsertId() const;
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enum VirtualHookOperation { };
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virtual void virtual_hook(int id, void *data);
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virtual bool execBatch(bool arrayBind = false);
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virtual void detachFromResultSet();
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virtual void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
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QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
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virtual bool nextResult();
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void resetBindCount(); // HACK
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QSqlResultPrivate *d_ptr;
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private:
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Q_DISABLE_COPY(QSqlResult)
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};
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QT_END_NAMESPACE
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#endif // QSQLRESULT_H
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