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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/sql/kernel/qsqlquery.h
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Long live Qt!
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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 QSQLQUERY_H
+#define QSQLQUERY_H
+
+#include <QtSql/qsql.h>
+#include <QtSql/qsqldatabase.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Sql)
+
+class QVariant;
+class QSqlDriver;
+class QSqlError;
+class QSqlResult;
+class QSqlRecord;
+template <class Key, class T> class QMap;
+class QSqlQueryPrivate;
+
+class Q_SQL_EXPORT QSqlQuery
+{
+public:
+ QSqlQuery(QSqlResult *r);
+ QSqlQuery(const QString& query = QString(), QSqlDatabase db = QSqlDatabase());
+ explicit QSqlQuery(QSqlDatabase db);
+ QSqlQuery(const QSqlQuery& other);
+ QSqlQuery& operator=(const QSqlQuery& other);
+ ~QSqlQuery();
+
+ bool isValid() const;
+ bool isActive() const;
+ bool isNull(int field) const;
+ int at() const;
+ QString lastQuery() const;
+ int numRowsAffected() const;
+ QSqlError lastError() const;
+ bool isSelect() const;
+ int size() const;
+ const QSqlDriver* driver() const;
+ const QSqlResult* result() const;
+ bool isForwardOnly() const;
+ QSqlRecord record() const;
+
+ void setForwardOnly(bool forward);
+ bool exec(const QString& query);
+ QVariant value(int i) const;
+
+ void setNumericalPrecisionPolicy(QSql::NumericalPrecisionPolicy precisionPolicy);
+ QSql::NumericalPrecisionPolicy numericalPrecisionPolicy() const;
+
+ bool seek(int i, bool relative = false);
+ bool next();
+ bool previous();
+#ifdef QT3_SUPPORT
+ inline QT3_SUPPORT bool prev() { return previous(); }
+#endif
+ bool first();
+ bool last();
+
+ void clear();
+
+ // prepared query support
+ bool exec();
+ enum BatchExecutionMode { ValuesAsRows, ValuesAsColumns };
+ bool execBatch(BatchExecutionMode mode = ValuesAsRows);
+ bool prepare(const QString& query);
+ void bindValue(const QString& placeholder, const QVariant& val,
+ QSql::ParamType type = QSql::In);
+ void bindValue(int pos, const QVariant& val, QSql::ParamType type = QSql::In);
+ void addBindValue(const QVariant& val, QSql::ParamType type = QSql::In);
+ QVariant boundValue(const QString& placeholder) const;
+ QVariant boundValue(int pos) const;
+ QMap<QString, QVariant> boundValues() const;
+ QString executedQuery() const;
+ QVariant lastInsertId() const;
+ void finish();
+ bool nextResult();
+
+private:
+ QSqlQueryPrivate* d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSQLQUERY_H