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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/sql/kernel/qsqlquery.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 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