mirror of
https://github.com/levinsv/pgadmin3.git
synced 2026-05-15 14:15:49 -06:00
60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
//////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// pgScript - PostgreSQL Tools
|
|
//
|
|
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
|
|
// This software is released under the PostgreSQL Licence
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#include "pgAdmin3.h"
|
|
#include "pgscript/expressions/pgsNegate.h"
|
|
|
|
#include "pgscript/objects/pgsNumber.h"
|
|
|
|
pgsNegate::pgsNegate(const pgsExpression *left) :
|
|
pgsOperation(left, 0)
|
|
{
|
|
|
|
}
|
|
|
|
pgsNegate::~pgsNegate()
|
|
{
|
|
|
|
}
|
|
|
|
pgsExpression *pgsNegate::clone() const
|
|
{
|
|
return pnew pgsNegate(*this);
|
|
}
|
|
|
|
pgsNegate::pgsNegate(const pgsNegate &that) :
|
|
pgsOperation(that)
|
|
{
|
|
|
|
}
|
|
|
|
pgsNegate &pgsNegate::operator =(const pgsNegate &that)
|
|
{
|
|
if (this != &that)
|
|
{
|
|
pgsOperation::operator=(that);
|
|
}
|
|
return (*this);
|
|
}
|
|
|
|
wxString pgsNegate::value() const
|
|
{
|
|
return wxString() << wxT("-") << m_left->value();
|
|
}
|
|
|
|
pgsOperand pgsNegate::eval(pgsVarMap &vars) const
|
|
{
|
|
// Evaluate operands
|
|
pgsOperand left(pnew pgsNumber(wxT("0"), pgsInt));
|
|
pgsOperand right(m_left->eval(vars));
|
|
|
|
// Return the result
|
|
return (*left - *right);
|
|
}
|