Drizzled Public API Documentation

typeof.cc

00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2010 Brian Aker
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; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #include <config.h>
00022 
00023 #include <plugin/utility_functions/functions.h>
00024 #include <drizzled/display.h>
00025 
00026 namespace drizzled
00027 {
00028 
00029 namespace utility_functions
00030 {
00031 
00032 int64_t Typeof::val_int()
00033 {
00034   return static_cast<int64_t>(args[0]->field_type());
00035 }
00036 
00037 String *Typeof::val_str(String *str)
00038 {
00039   assert(fixed == 1);
00040   null_value= false;
00041 
00042   const std::string &tmp= display::type(args[0]->field_type());
00043   str->copy(tmp.c_str(), tmp.length(), system_charset_info);
00044 
00045   return str;
00046 }
00047 
00048 void Typeof::fix_length_and_dec()
00049 {
00050   max_length= display::type(args[0]->field_type()).size() * system_charset_info->mbmaxlen;
00051 }
00052 
00053 } /* namespace utility_functions */
00054 } /* namespace drizzled */