~drizzle-trunk/drizzle/development

642.1.6 by Lee
move functions from item.cc/item.h to item 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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 *
1999.6.1 by kalebral at gmail
update Copyright strings to a more common format to help with creating the master debian copyright file
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
642.1.6 by Lee
move functions from item.cc/item.h to item directory
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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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#ifndef DRIZZLED_ITEM_FLOAT_H
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#define DRIZZLED_ITEM_FLOAT_H
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642.1.26 by Lee
merge with latest from the trunk
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#include <drizzled/item/num.h>
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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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642.1.6 by Lee
move functions from item.cc/item.h to item directory
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class Item_float :public Item_num
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{
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  char *presentation;
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public:
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  double value;
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  // Item_real() :value(0) {}
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  Item_float(const char *str_arg, uint32_t length);
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  Item_float(const char *str,double val_arg,uint32_t decimal_par,uint32_t length)
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    :value(val_arg)
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  {
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    presentation= name=(char*) str;
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    decimals=(uint8_t) decimal_par;
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    max_length=length;
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    fixed= 1;
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  }
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  Item_float(double value_par, uint32_t decimal_par) :presentation(0), value(value_par)
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  {
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    decimals= (uint8_t) decimal_par;
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    fixed= 1;
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  }
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  int save_in_field(Field *field, bool no_conversions);
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  enum Type type() const { return REAL_ITEM; }
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  enum_field_types field_type() const { return DRIZZLE_TYPE_DOUBLE; }
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  double val_real() { assert(fixed == 1); return value; }
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  int64_t val_int();
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  String *val_str(String*);
2030.1.4 by Brian Aker
Change my_decimal to Decimal
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  type::Decimal *val_decimal(type::Decimal *);
642.1.6 by Lee
move functions from item.cc/item.h to item directory
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  bool basic_const_item() const { return 1; }
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  Item *clone_item()
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  { return new Item_float(name, value, decimals, max_length); }
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  Item_num *neg() { value= -value; return this; }
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  virtual void print(String *str, enum_query_type query_type);
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  bool eq(const Item *, bool binary_cmp) const;
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};
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class Item_static_float_func :public Item_float
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{
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  const char *func_name;
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public:
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  Item_static_float_func(const char *str, double val_arg, uint32_t decimal_par,
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                        uint32_t length)
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    :Item_float(NULL, val_arg, decimal_par, length), func_name(str)
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  {}
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  virtual inline void print(String *str, enum_query_type)
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  {
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    str->append(func_name);
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  }
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  Item *safe_charset_converter(const CHARSET_INFO * const tocs);
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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 */
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642.1.6 by Lee
move functions from item.cc/item.h to item directory
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#endif /* DRIZZLED_ITEM_FLOAT_H */
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