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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
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treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/sql/kernel/qsqlresult.h
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtSql module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSQLRESULT_H
+#define QSQLRESULT_H
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qvector.h>
+#include <QtSql/qsql.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Sql)
+
+class QString;
+class QSqlRecord;
+template <typename T> class QVector;
+class QVariant;
+class QSqlDriver;
+class QSqlError;
+class QSqlResultPrivate;
+
+class Q_SQL_EXPORT QSqlResult
+{
+ friend class QSqlQuery;
+ friend class QSqlTableModelPrivate;
+ friend class QSqlResultPrivate;
+
+public:
+ virtual ~QSqlResult();
+ virtual QVariant handle() const;
+
+protected:
+ enum BindingSyntax {
+ PositionalBinding,
+ NamedBinding
+#ifdef QT3_SUPPORT
+ , BindByPosition = PositionalBinding,
+ BindByName = NamedBinding
+#endif
+ };
+
+ explicit QSqlResult(const QSqlDriver * db);
+ int at() const;
+ QString lastQuery() const;
+ QSqlError lastError() const;
+ bool isValid() const;
+ bool isActive() const;
+ bool isSelect() const;
+ bool isForwardOnly() const;
+ const QSqlDriver* driver() const;
+ virtual void setAt(int at);
+ virtual void setActive(bool a);
+ virtual void setLastError(const QSqlError& e);
+ virtual void setQuery(const QString& query);
+ virtual void setSelect(bool s);
+ virtual void setForwardOnly(bool forward);
+
+ // prepared query support
+ virtual bool exec();
+ virtual bool prepare(const QString& query);
+ virtual bool savePrepare(const QString& sqlquery);
+ virtual void bindValue(int pos, const QVariant& val, QSql::ParamType type);
+ virtual void bindValue(const QString& placeholder, const QVariant& val,
+ QSql::ParamType type);
+ void addBindValue(const QVariant& val, QSql::ParamType type);
+ QVariant boundValue(const QString& placeholder) const;
+ QVariant boundValue(int pos) const;
+ QSql::ParamType bindValueType(const QString& placeholder) const;
+ QSql::ParamType bindValueType(int pos) const;
+ int boundValueCount() const;
+ QVector<QVariant>& boundValues() const;
+ QString executedQuery() const;
+ QString boundValueName(int pos) const;
+ void clear();
+ bool hasOutValues() const;
+
+ BindingSyntax bindingSyntax() const;
+
+ virtual QVariant data(int i) = 0;
+ virtual bool isNull(int i) = 0;
+ virtual bool reset(const QString& sqlquery) = 0;
+ virtual bool fetch(int i) = 0;
+ virtual bool fetchNext();
+ virtual bool fetchPrevious();
+ virtual bool fetchFirst() = 0;
+ virtual bool fetchLast() = 0;
+ virtual int size() = 0;
+ virtual int numRowsAffected() = 0;
+ virtual QSqlRecord record() const;
+ virtual QVariant lastInsertId() const;
+
+ enum VirtualHookOperation { BatchOperation, DetachFromResultSet, SetNumericalPrecision, NextResult };
+ virtual void virtual_hook(int id, void *data);
+ bool execBatch(bool arrayBind = false);
+ void detachFromResultSet();
+ void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy policy);
+ bool nextResult();
+
+private:
+ QSqlResultPrivate* d;
+ void resetBindCount(); // HACK
+
+private:
+ Q_DISABLE_COPY(QSqlResult)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSQLRESULT_H