Drizzled Public API Documentation

versionudf.cc

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 #include <config.h>
00021 #include <drizzled/function/str/strfunc.h>
00022 #include <drizzled/plugin/function.h>
00023 #include <drizzled/version.h>
00024 
00025 using namespace std;
00026 using namespace drizzled;
00027 
00028 class VersionFunction :public Item_str_func
00029 {
00030 public:
00031   String *val_str(String *str);
00032   VersionFunction() :Item_str_func() {}
00033   
00034   const char *func_name() const 
00035   { 
00036     return "version"; 
00037   }
00038   
00039   bool check_argument_count(int n)
00040   {
00041     return (n==0);
00042   }
00043 
00044   void fix_length_and_dec() {}
00045 };
00046 
00047 String *VersionFunction::val_str(String *str)
00048 {
00049   str->set(::drizzled::version().c_str(), ::drizzled::version().size(),
00050            system_charset_info);
00051   return str;
00052 }
00053 
00054 plugin::Create_function<VersionFunction> *versionudf= NULL;
00055 
00056 static int initialize(module::Context &context)
00057 {
00058   versionudf= new plugin::Create_function<VersionFunction>("version");
00059   context.add(versionudf);
00060   return 0;
00061 }
00062 
00063 DRIZZLE_PLUGIN(initialize, NULL, NULL);