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154 lines
5.0 KiB
154 lines
5.0 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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 Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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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 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL 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 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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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 <QtCore/qvariant.h>
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#include <QtCore/qvector.h>
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#include <QtSql/qsql.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Sql)
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class QString;
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class QSqlRecord;
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template <typename T> class QVector;
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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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friend class QSqlQuery;
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friend class QSqlTableModelPrivate;
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friend class QSqlResultPrivate;
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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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#ifdef QT3_SUPPORT
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, BindByPosition = PositionalBinding,
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BindByName = NamedBinding
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#endif
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};
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explicit QSqlResult(const QSqlDriver * db);
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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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QVector<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 { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };
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virtual void virtual_hook(int id, void *data);
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bool execBatch(bool arrayBind = false);
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void detachFromResultSet();
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void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
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QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
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bool nextResult();
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private:
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QSqlResultPrivate* d;
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void resetBindCount(); // HACK
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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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QT_END_HEADER
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#endif // QSQLRESULT_H
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