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60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// pgScript - PostgreSQL Tools
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//
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// Copyright (C) 2002 - 2016, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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//////////////////////////////////////////////////////////////////////////
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#include "pgAdmin3.h"
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#include "pgscript/expressions/pgsMinus.h"
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#include "pgscript/objects/pgsVariable.h"
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pgsMinus::pgsMinus(const pgsExpression *left, const pgsExpression *right) :
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pgsOperation(left, right)
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{
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}
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pgsMinus::~pgsMinus()
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{
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}
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pgsExpression *pgsMinus::clone() const
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{
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return pnew pgsMinus(*this);
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}
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pgsMinus::pgsMinus(const pgsMinus &that) :
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pgsOperation(that)
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{
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}
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pgsMinus &pgsMinus::operator =(const pgsMinus &that)
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{
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if (this != &that)
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{
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pgsOperation::operator=(that);
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}
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return (*this);
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}
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wxString pgsMinus::value() const
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{
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return wxString() << m_left->value() << wxT(" - ") << m_right->value();
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}
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pgsOperand pgsMinus::eval(pgsVarMap &vars) const
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{
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// Evaluate operands
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pgsOperand left(m_left->eval(vars));
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pgsOperand right(m_right->eval(vars));
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// Return the result
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return (*left - *right);
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}
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