~drizzle-trunk/drizzle/development

492.3.13 by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory
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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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1241.9.36 by Monty Taylor
ZOMG. I deleted drizzled/server_includes.h.
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#include "config.h"
1241.9.1 by Monty Taylor
Removed global.h. Fixed all the headers.
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#include <math.h>
1759.3.19 by Stewart Smith
move FLOOR() function into math_functions plugin
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#include "floor.h"
572.1.4 by Monty Taylor
Removed a bunch of unusued tests and defines from autoconf.
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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namespace drizzled
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{
492.3.13 by Lee
code clean move Item_func_floor, Item_func_length, Item_func_min_max, Item_func_rand, Item_func_round to functions directory
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int64_t Item_func_floor::int_op()
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{
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  int64_t result;
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  switch (args[0]->result_type()) {
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  case INT_RESULT:
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    result= args[0]->val_int();
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    null_value= args[0]->null_value;
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    break;
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  case DECIMAL_RESULT:
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  {
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    my_decimal dec_buf, *dec;
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    if ((dec= Item_func_floor::decimal_op(&dec_buf)))
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      my_decimal2int(E_DEC_FATAL_ERROR, dec, unsigned_flag, &result);
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    else
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      result= 0;
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    break;
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  }
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  default:
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    result= (int64_t)Item_func_floor::real_op();
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  };
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  return result;
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}
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double Item_func_floor::real_op()
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{
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  /*
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    the volatile's for BUG #3051 to calm optimizer down (because of gcc's
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    bug)
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  */
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  volatile double value= args[0]->val_real();
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  null_value= args[0]->null_value;
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  return floor(value);
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}
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my_decimal *Item_func_floor::decimal_op(my_decimal *decimal_value)
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{
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  my_decimal val, *value= args[0]->val_decimal(&val);
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  if (!(null_value= (args[0]->null_value ||
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                     my_decimal_floor(E_DEC_FATAL_ERROR, value,
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                                      decimal_value) > 1)))
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    return decimal_value;
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  return 0;
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}
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1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */