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Viewing changes to pgadmin/pgscript/expressions/pgsNegate.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Gerfried Fuchs
  • Date: 2009-07-30 12:27:16 UTC
  • mfrom: (1.1.6 upstream)
  • Revision ID: james.westby@ubuntu.com-20090730122716-fddbh42on721bbs2
Tags: 1.10.0-1
* New upstream release.
* Adjusted watch file to match release candidates.
* Updated to Standards-Version 3.8.2:
  - Moved to Section: database.
  - Add DEB_BUILD_OPTIONS support for parallel building.
  - Move from findstring to filter suggestion for DEB_BUILD_OPTIONS parsing.
* pgagent got split into its own separate source package by upstream.
* Exclude Docs.vcproj from installation.
* Move doc-base.enus from pgadmin3 to pgadmin3-data package, the files are
  in there too.

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pgadmin/pgscript/expressions/pgsNegate.cpp
 
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//////////////////////////////////////////////////////////////////////////
 
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//
 
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// pgScript - PostgreSQL Tools
 
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// RCS-ID:      $Id: pgsNegate.cpp 7758 2009-03-26 20:49:59Z dpage $
 
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// Copyright (C) 2002 - 2009, The pgAdmin Development Team
 
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// This software is released under the BSD Licence
 
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//
 
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//////////////////////////////////////////////////////////////////////////
 
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#include "pgAdmin3.h"
 
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#include "pgscript/expressions/pgsNegate.h"
 
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#include "pgscript/objects/pgsNumber.h"
 
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pgsNegate::pgsNegate(const pgsExpression * left) :
 
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        pgsOperation(left, 0)
 
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{
 
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}
 
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pgsNegate::~pgsNegate()
 
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{
 
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}
 
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pgsExpression * pgsNegate::clone() const
 
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{
 
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        return pnew pgsNegate(*this);
 
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}
 
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pgsNegate::pgsNegate(const pgsNegate & that) :
 
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        pgsOperation(that)
 
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{
 
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}
 
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pgsNegate & pgsNegate::operator =(const pgsNegate & 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 pgsNegate::value() const
 
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{
 
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        return wxString() << wxT("-") << m_left->value();
 
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}
 
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pgsOperand pgsNegate::eval(pgsVarMap & vars) const
 
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{
 
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        // Evaluate operands
 
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        pgsOperand left(pnew pgsNumber(wxT("0"), pgsInt));
 
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        pgsOperand right(m_left->eval(vars));
 
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        // Return the result
 
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        return (*left - *right);
 
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}