Click here to Skip to main content
15,885,309 members
Articles / Web Development / HTML

QxOrm - C++ ORM (Object Relational Mapping) Library

Rate me:
Please Sign up or sign in to vote.
4.90/5 (61 votes)
24 Apr 2019GPL326 min read 140.6K   321   140  
QxOrm C++ library: Persistence (based on QtSql Qt library) - Serialization (based on boost::serialization library) - Reflection (introspection)
/****************************************************************************
**
** http://www.qxorm.com/
** http://sourceforge.net/projects/qxorm/
** Original file by Lionel Marty
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software.
**
** GNU Lesser General Public License Usage
** This file must 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.txt' 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.
**
** If you have questions regarding the use of this file, please contact :
** contact@qxorm.com
**
****************************************************************************/

#include <QxPrecompiled.h>

#include <QxDao/QxSqlQuery.h>
#include <QxDao/QxSqlDatabase.h>

#include <QxCollection/QxCollectionIterator.h>

#include <QxMemLeak/mem_leak.h>

namespace qx {

QxSqlQuery & QxSqlQuery::query(const QString & sQuery)
{
   m_sQuery = sQuery;
   m_lstValue.clear();

   return (* this);
}

QxSqlQuery & QxSqlQuery::bind(const QVariant & vValue)
{
   qAssert(! m_sQuery.isEmpty() && (qx::QxSqlDatabase::getSingleton()->getSqlPlaceHolderStyle() == qx::QxSqlDatabase::ph_style_question_mark));
   QString sKey = QString::number(m_lstValue.count() + 1);
   m_lstValue.insert(sKey, vValue);

   return (* this);
}

QxSqlQuery & QxSqlQuery::bind(const QString & sKey, const QVariant & vValue)
{
   qAssert(! m_sQuery.isEmpty() && (qx::QxSqlDatabase::getSingleton()->getSqlPlaceHolderStyle() != qx::QxSqlDatabase::ph_style_question_mark));
   if (sKey.isEmpty() || m_lstValue.exist(sKey)) { qAssert(false); return (* this); }
   if (! m_sQuery.contains(sKey)) { qAssert(false); return (* this); }
   m_lstValue.insert(sKey, vValue);

   return (* this);
}

void QxSqlQuery::resolve(QSqlQuery & query) const
{
   bool bKey = (qx::QxSqlDatabase::getSingleton()->getSqlPlaceHolderStyle() != qx::QxSqlDatabase::ph_style_question_mark);
   QxCollectionIterator<QString, QVariant> itr(m_lstValue);

   while (itr.next())
   {
      if (bKey) { query.bindValue(itr.key(), itr.value()); }
      else { query.addBindValue(itr.value()); }
   }
}

} // namespace qx

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)


Written By
France France
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions