Drizzled Public API Documentation

execute.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 <drizzled/session.h>
00024 #include <drizzled/session/cache.h>
00025 #include <plugin/utility_functions/functions.h>
00026 
00027 namespace drizzled
00028 {
00029 
00030 namespace utility_functions
00031 {
00032 
00033 bool Execute::val_bool()
00034 {
00035   drizzled::String *res= args[0]->val_str(&_res);
00036 
00037   if (not res or not res->length())
00038   {
00039     null_value= true;
00040     return false;
00041   }
00042 
00043   execute.run(res->c_str(), res->length());
00044 
00045   null_value= false;
00046 
00047   return true;
00048 }
00049 
00050 } /* namespace utility_functions */
00051 } /* namespace drizzled */