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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2012, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#include "pgscript/expressions/pgsMinus.h"
#include "pgscript/objects/pgsVariable.h"
pgsMinus::pgsMinus(const pgsExpression *left, const pgsExpression *right) :
pgsOperation(left, right)
{
}
pgsMinus::~pgsMinus()
{
}
pgsExpression *pgsMinus::clone() const
{
return pnew pgsMinus(*this);
}
pgsMinus::pgsMinus(const pgsMinus &that) :
pgsOperation(that)
{
}
pgsMinus &pgsMinus::operator =(const pgsMinus &that)
{
if (this != &that)
{
pgsOperation::operator=(that);
}
return (*this);
}
wxString pgsMinus::value() const
{
return wxString() << m_left->value() << wxT(" - ") << m_right->value();
}
pgsOperand pgsMinus::eval(pgsVarMap &vars) const
{
// Evaluate operands
pgsOperand left(m_left->eval(vars));
pgsOperand right(m_right->eval(vars));
// Return the result
return (*left - *right);
}
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