~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <drizzled/server_includes.h>

#include <drizzled/slot/function.h>

#include <drizzled/item/func.h>

#include <drizzled/function/str/strfunc.h>

#include <string>

using namespace std;

using namespace drizzled;

class Item_func_hello_world : public Item_str_func

{

public:

  Item_func_hello_world() : Item_str_func() {}

  const char *func_name() const { return "hello_world"; }

  String *val_str(String* s) {

    s->set(STRING_WITH_LEN("Hello World!"),system_charset_info);

    return s;

  };

  void fix_length_and_dec() {

    max_length=strlen("Hello World!");

  }

};

plugin::Create_function<Item_func_hello_world> *hello_world_udf= NULL;

static int hello_world_plugin_init(drizzled::plugin::Registry &registry)

{

  hello_world_udf=

    new plugin::Create_function<Item_func_hello_world>("hello_world");

  registry.function.add(hello_world_udf);

  return 0;

}

static int hello_world_plugin_deinit(drizzled::plugin::Registry &registry)

{

  registry.function.remove(hello_world_udf);

  delete hello_world_udf;

  return 0;

}

drizzle_declare_plugin(hello_world)

{

  "hello_world",

  "1.0",

  "Mark Atwood",

  "Hello, world!",

  PLUGIN_LICENSE_GPL,

  hello_world_plugin_init, /* Plugin Init */

  hello_world_plugin_deinit, /* Plugin Deinit */

  NULL,   /* status variables */

  NULL,   /* system variables */

  NULL    /* config options */

}

drizzle_declare_plugin_end;