QxSqlExpression.h

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/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
**
** This file is part of the QxOrm library
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** warranty. In no event will the authors be held liable for any
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** accordance with the commercial license agreement provided with the
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** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
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#ifndef _QX_SQL_EXPRESSION_H_
#define _QX_SQL_EXPRESSION_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <QxDao/QxSqlElement/IxSqlElement.h>

namespace qx {
namespace dao {
namespace detail {

class QX_DLL_EXPORT QxSqlExpression : public IxSqlElement
{

public:

   enum type { _where, _and, _or, 
               _open_parenthesis, _close_parenthesis };

protected:

   QxSqlExpression::type m_type;

public:

   QxSqlExpression();
   QxSqlExpression(int index, QxSqlExpression::type t);
   virtual ~QxSqlExpression();

   virtual QString toString() const;
   virtual void resolve(QSqlQuery & query, qx::QxCollection<QString, QVariantList> * pLstExecBatch = NULL) const;
   virtual void postProcess(QString & sql) const;

   virtual IxSqlElement::type_class getTypeClass() const;

protected:

   virtual QString getExtraSettings() const;
   virtual void setExtraSettings(const QString & s);

};

typedef std::shared_ptr<QxSqlExpression> QxSqlExpression_ptr;

} // namespace detail
} // namespace dao
} // namespace qx

#endif // _QX_SQL_EXPRESSION_H_