~drizzle-trunk/drizzle/development

492.3.31 by Lee
more changes to move functions from item_func.cc/h to the 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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670.1.20 by Monty Taylor
Renamed functions to function... everything else is singular.
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#include <drizzled/function/field.h>
584.4.7 by Monty Taylor
Removed a big bank of includes from item.h.
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#include <drizzled/item/cmpfunc.h>
492.3.31 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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// Conversion functions
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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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492.3.31 by Lee
more changes to move functions from item_func.cc/h to the functions directory
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int64_t Item_func_field::val_int()
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{
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  assert(fixed == 1);
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  if (cmp_type == STRING_RESULT)
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  {
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    String *field;
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    if (!(field= args[0]->val_str(&value)))
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      return 0;
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    for (uint32_t i=1 ; i < arg_count ; i++)
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    {
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      String *tmp_value=args[i]->val_str(&tmp);
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      if (tmp_value && !sortcmp(field,tmp_value,cmp_collation.collation))
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        return (int64_t) (i);
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    }
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  }
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  else if (cmp_type == INT_RESULT)
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  {
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    int64_t val= args[0]->val_int();
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    if (args[0]->null_value)
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      return 0;
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    for (uint32_t i=1; i < arg_count ; i++)
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    {
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      if (val == args[i]->val_int() && !args[i]->null_value)
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        return (int64_t) (i);
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    }
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  }
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  else if (cmp_type == DECIMAL_RESULT)
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  {
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    my_decimal dec_arg_buf, *dec_arg,
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               dec_buf, *dec= args[0]->val_decimal(&dec_buf);
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    if (args[0]->null_value)
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      return 0;
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    for (uint32_t i=1; i < arg_count; i++)
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    {
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      dec_arg= args[i]->val_decimal(&dec_arg_buf);
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      if (!args[i]->null_value && !my_decimal_cmp(dec_arg, dec))
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        return (int64_t) (i);
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    }
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  }
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  else
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  {
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    double val= args[0]->val_real();
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    if (args[0]->null_value)
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      return 0;
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    for (uint32_t i=1; i < arg_count ; i++)
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    {
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      if (val == args[i]->val_real() && !args[i]->null_value)
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        return (int64_t) (i);
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    }
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  }
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  return 0;
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}
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void Item_func_field::fix_length_and_dec()
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{
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  maybe_null=0; max_length=3;
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  cmp_type= args[0]->result_type();
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  for (uint32_t i=1; i < arg_count ; i++)
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    cmp_type= item_cmp_type(cmp_type, args[i]->result_type());
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  if (cmp_type == STRING_RESULT)
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    agg_arg_charsets(cmp_collation, args, arg_count, MY_COLL_CMP_CONV, 1);
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}
1280.1.10 by Monty Taylor
Put everything in drizzled into drizzled namespace.
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} /* namespace drizzled */