src/sql/kernel/qsqlresult.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sql/kernel/qsqlresult.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@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);
+    QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
+    bool nextResult();
+
+private:
+    QSqlResultPrivate* d;
+    void resetBindCount(); // HACK
+
+private:
+    Q_DISABLE_COPY(QSqlResult)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSQLRESULT_H