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Viewing changes to drizzled/function/time/period_diff.cc

  • Committer: Brian Aker
  • Date: 2008-08-16 15:41:14 UTC
  • mto: This revision was merged to the branch mainline in revision 346.
  • Revision ID: brian@tangent.org-20080816154114-eufmwf31p6ie1nd6
Cleaned up depend in Proto utils. Modified int to bool. Put TmpTable class
into play.

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drizzled/function/time/period_diff.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "drizzled/server_includes.h"
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#include CSTDINT_H
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#include "drizzled/function/time/period_diff.h"
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#include "drizzled/calendar.h"
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int64_t Item_func_period_diff::val_int()
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{
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  assert(fixed == 1);
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  uint32_t period1= (uint32_t)args[0]->val_int();
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  uint32_t period2= (uint32_t)args[1]->val_int();
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  if ((null_value=args[0]->null_value || args[1]->null_value))
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    return 0;
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  return (int64_t) (year_month_to_months(period1) -year_month_to_months(period2));
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}