~drizzle-trunk/drizzle/development : contents of plugin/hello_world/hello

~drizzle-trunk/drizzle/development : (revision 1097.2.2)

/* -*- 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/sql_udf.h>
#include <drizzled/item/func.h>
#include <drizzled/function/str/strfunc.h>

#include <string>

using namespace std;

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!");
  }
};

Create_function<Item_func_hello_world>
  hello_world_udf(string("hello_world"));

static int hello_world_plugin_init(PluginRegistry &registry)
{
  registry.add(&hello_world_udf);

  return 0;
}

static int hello_world_plugin_deinit(PluginRegistry &)
{
  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;

584.1.15 by Monty Taylor The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.	1	/* -- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; --
	2	* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
	3	*
	4	* Copyright (C) 2008 Sun Microsystems
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; version 2 of the License.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
134.1.2 by Mark Atwood Add hello_world() UDF	19
670.2.2 by Monty Taylor Got rid of the rest of common_includes. Now on to server_includes.	20	#include <drizzled/server_includes.h>
584.1.15 by Monty Taylor The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes.	21	#include <drizzled/sql_udf.h>
584.4.6 by Monty Taylor Moved stuff into item/	22	#include <drizzled/item/func.h>
670.1.20 by Monty Taylor Renamed functions to function... everything else is singular.	23	#include <drizzled/function/str/strfunc.h>
134.1.2 by Mark Atwood Add hello_world() UDF	24
942.1.12 by Monty Taylor Converted udf_func into a factory.	25	#include <string>
	26
	27	using namespace std;
	28
139.1.8 by Stewart Smith UDFs are now normal Item_func objects. Simplifies handling them a lot.	29	class Item_func_hello_world : public Item_str_func
134.1.2 by Mark Atwood Add hello_world() UDF	30	{
139.1.8 by Stewart Smith UDFs are now normal Item_func objects. Simplifies handling them a lot.	31	public:
896.1.4 by Monty Taylor Fixed compiler warnings.	32	Item_func_hello_world() : Item_str_func() {}
139.1.8 by Stewart Smith UDFs are now normal Item_func objects. Simplifies handling them a lot.	33	const char *func_name() const { return "hello_world"; }
	34	String val_str(String s) {
	35	s->set(STRING_WITH_LEN("Hello World!"),system_charset_info);
	36	return s;
	37	};
	38	void fix_length_and_dec() {
	39	max_length=strlen("Hello World!");
134.1.2 by Mark Atwood Add hello_world() UDF	40	}
139.1.8 by Stewart Smith UDFs are now normal Item_func objects. Simplifies handling them a lot.	41	};
	42
942.1.12 by Monty Taylor Converted udf_func into a factory.	43	Create_function<Item_func_hello_world>
942.1.12 by Monty Taylor Converted udf_func into a factory.	44	hello_world_udf(string("hello_world"));
134.1.2 by Mark Atwood Add hello_world() UDF	45
971.1.52 by Monty Taylor Did the finalizers. Renamed plugin_registry.	46	static int hello_world_plugin_init(PluginRegistry &registry)
134.1.2 by Mark Atwood Add hello_world() UDF	47	{
971.1.52 by Monty Taylor Did the finalizers. Renamed plugin_registry.	48	registry.add(&hello_world_udf);
134.1.2 by Mark Atwood Add hello_world() UDF	49
	50	return 0;
	51	}
	52
971.1.52 by Monty Taylor Did the finalizers. Renamed plugin_registry.	53	static int hello_world_plugin_deinit(PluginRegistry &)
134.1.2 by Mark Atwood Add hello_world() UDF	54	{
	55	return 0;
	56	}
	57
139.1.8 by Stewart Smith UDFs are now normal Item_func objects. Simplifies handling them a lot.	58
813.2.1 by Toru Maesaka Renamed mysql_declare_plugin to drizzle_declare_plugin	59	drizzle_declare_plugin(hello_world)
134.1.2 by Mark Atwood Add hello_world() UDF	60	{
134.1.2 by Mark Atwood Add hello_world() UDF	61	"hello_world",
177.4.3 by mark ripped out more plugin ABI and API version checking, and plugin versions are now strings	62	"1.0",
134.1.2 by Mark Atwood Add hello_world() UDF	63	"Mark Atwood",
	64	"Hello, world!",
	65	PLUGIN_LICENSE_GPL,
	66	hello_world_plugin_init, /* Plugin Init */
	67	hello_world_plugin_deinit, /* Plugin Deinit */
	68	NULL, /* status variables */
	69	NULL, /* system variables */
	70	NULL /* config options */
	71	}
813.2.2 by Toru Maesaka Renamed mysql_declare_plugin_end to drizzle_declare_plugin_end	72	drizzle_declare_plugin_end;