~drizzle-trunk/drizzle/development

574.3.6 by Lee
moving functions from item_strfunc to functions/str 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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1759.3.21 by Stewart Smith
move ELT() function to string_functions plugin
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#include "elt.h"
574.3.6 by Lee
moving functions from item_strfunc to functions/str 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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574.3.6 by Lee
moving functions from item_strfunc to functions/str directory
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void Item_func_elt::fix_length_and_dec()
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{
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  max_length=0;
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  decimals=0;
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  if (agg_arg_charsets(collation, args+1, arg_count-1, MY_COLL_ALLOW_CONV, 1))
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    return;
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  for (uint32_t i= 1 ; i < arg_count ; i++)
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  {
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    set_if_bigger(max_length,args[i]->max_length);
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    set_if_bigger(decimals,args[i]->decimals);
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  }
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  maybe_null=1;                                 // NULL if wrong first arg
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}
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double Item_func_elt::val_real()
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{
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  assert(fixed == 1);
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  uint32_t tmp;
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  null_value=1;
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  if ((tmp=(uint) args[0]->val_int()) == 0 || tmp >= arg_count)
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    return 0.0;
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  double result= args[tmp]->val_real();
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  null_value= args[tmp]->null_value;
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  return result;
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}
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int64_t Item_func_elt::val_int()
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{
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  assert(fixed == 1);
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  uint32_t tmp;
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  null_value=1;
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  if ((tmp=(uint) args[0]->val_int()) == 0 || tmp >= arg_count)
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    return 0;
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  int64_t result= args[tmp]->val_int();
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  null_value= args[tmp]->null_value;
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  return result;
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}
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String *Item_func_elt::val_str(String *str)
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{
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  assert(fixed == 1);
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  uint32_t tmp;
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  null_value=1;
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  if ((tmp=(uint) args[0]->val_int()) == 0 || tmp >= arg_count)
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    return NULL;
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  String *result= args[tmp]->val_str(str);
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  if (result)
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    result->set_charset(collation.collation);
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  null_value= args[tmp]->null_value;
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  return result;
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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 */