pgadmin3/include/pgscript/expressions/pgsOperation.h
2020-07-07 22:19:12 +05:00

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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#ifndef PGSOPERATION_H_
#define PGSOPERATION_H_
#include "pgscript/pgScript.h"
#include "pgscript/expressions/pgsExpression.h"
class pgsOperation : public pgsExpression
{
protected:
const pgsExpression *m_left;
const pgsExpression *m_right;
public:
pgsOperation(const pgsExpression *left, const pgsExpression *right);
virtual ~pgsOperation();
virtual pgsExpression *clone() const = 0;
pgsOperation(const pgsOperation &that);
pgsOperation &operator =(const pgsOperation &that);
virtual wxString value() const = 0;
virtual pgsOperand eval(pgsVarMap &vars) const = 0;
};
#endif /*PGSOPERATION_H_*/