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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/sql/kernel/qsqlresult.h | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'src/sql/kernel/qsqlresult.h')
-rw-r--r-- | src/sql/kernel/qsqlresult.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/sql/kernel/qsqlresult.h b/src/sql/kernel/qsqlresult.h new file mode 100644 index 0000000..0a3d8b9 --- /dev/null +++ b/src/sql/kernel/qsqlresult.h @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** 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 |