~drizzle-trunk/drizzle/development

492.3.8 by Lee
code clean move Item_func_mod, Item_func_int_div, Item_func_neg 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"
1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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642.1.30 by Lee
move math functions to drizzled/function/math directory
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#include <drizzled/function/math/int_divide.h>
492.3.8 by Lee
code clean move Item_func_mod, Item_func_int_div, Item_func_neg to functions directory
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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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{
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492.3.8 by Lee
code clean move Item_func_mod, Item_func_int_div, Item_func_neg to functions directory
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/* Integer division */
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int64_t Item_func_int_div::val_int()
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{
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  assert(fixed == 1);
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  int64_t value=args[0]->val_int();
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  int64_t val2=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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  if (val2 == 0)
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  {
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    signal_divide_by_null();
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    return 0;
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  }
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  return (unsigned_flag ?
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          (uint64_t) value / (uint64_t) val2 :
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          value / val2);
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}
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void Item_func_int_div::fix_length_and_dec()
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{
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  Item_result argtype= args[0]->result_type();
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  /* use precision ony for the data type it is applicable for and valid */
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  max_length=args[0]->max_length -
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    (argtype == DECIMAL_RESULT || argtype == INT_RESULT ?
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     args[0]->decimals : 0);
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  maybe_null=1;
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  unsigned_flag=args[0]->unsigned_flag | args[1]->unsigned_flag;
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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 */