Drizzled Public API Documentation

hex_string.h
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 #include <drizzled/item/basic_constant.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 class Item_hex_string: public Item_basic_constant
00028 {
00029 public:
00030   Item_hex_string() {}
00031   Item_hex_string(const char *str,uint32_t str_length);
00032   enum Type type() const { return VARBIN_ITEM; }
00033   double val_real()
00034   {
00035     assert(fixed == 1);
00036     return (double) (uint64_t) Item_hex_string::val_int();
00037   }
00038   int64_t val_int();
00039   bool basic_const_item() const { return 1; }
00040   String *val_str(String*) { assert(fixed == 1); return &str_value; }
00041   type::Decimal *val_decimal(type::Decimal *);
00042   int save_in_field(Field *field, bool no_conversions);
00043   enum Item_result result_type () const { return STRING_RESULT; }
00044   enum Item_result cast_to_int_type() const { return INT_RESULT; }
00045   enum_field_types field_type() const { return DRIZZLE_TYPE_VARCHAR; }
00046   virtual void print(String *str);
00047   bool eq(const Item *item, bool binary_cmp) const;
00048   virtual Item *safe_charset_converter(const CHARSET_INFO * const tocs);
00049 };
00050 
00051 } /* namespace drizzled */
00052