1 files changed, 143 insertions, 0 deletions
diff --git a/sql/events.h b/sql/events.h
new file mode 100644
index 00000000000..621ab0ffca5
--- /dev/null
+++ b/sql/events.h
@@ -0,0 +1,143 @@
+#ifndef _EVENT_H_
+#define _EVENT_H_
+/* Copyright (C) 2004-2006 MySQL AB
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+class sp_name;
+class Event_parse_data;
+class Event_db_repository;
+class Event_queue;
+class Event_queue_element;
+class Event_scheduler;
+
+/* Return codes */
+enum enum_events_error_code
+{
+  OP_OK= 0,
+  OP_NOT_RUNNING,
+  OP_CANT_KILL,
+  OP_CANT_INIT,
+  OP_DISABLED_EVENT,
+  OP_LOAD_ERROR,
+  OP_ALREADY_EXISTS
+};
+
+
+int
+sortcmp_lex_string(LEX_STRING s, LEX_STRING t, CHARSET_INFO *cs);
+
+
+class Events
+{
+public:
+  /*
+    Quite NOT the best practice and will be removed once
+    Event_timed::drop() and Event_timed is fixed not do drop directly
+    or other scheme will be found.
+  */
+  friend class Event_queue_element;
+  
+  /* The order should match the order in opt_typelib */
+  enum enum_opt_event_scheduler
+  {
+    EVENTS_OFF= 0,
+    EVENTS_ON= 1,
+    EVENTS_DISABLED= 4
+  };
+
+  static enum_opt_event_scheduler opt_event_scheduler;
+  static TYPELIB opt_typelib;
+  static TYPELIB var_typelib;
+
+  bool
+  init();
+
+  void
+  deinit();
+
+  void
+  init_mutexes();
+
+  void
+  destroy_mutexes();
+
+  bool
+  start_execution_of_events();
+
+  bool
+  stop_execution_of_events();
+
+  bool
+  is_execution_of_events_started();
+
+  static Events *
+  get_instance();
+
+  bool
+  create_event(THD *thd, Event_parse_data *parse_data, bool if_exists);
+
+  bool
+  update_event(THD *thd, Event_parse_data *parse_data, sp_name *rename_to);
+
+  bool
+  drop_event(THD *thd, LEX_STRING dbname, LEX_STRING name, bool if_exists,
+             bool only_from_disk);
+
+  void
+  drop_schema_events(THD *thd, char *db);
+
+  int
+  open_event_table(THD *thd, enum thr_lock_type lock_type, TABLE **table);
+
+  bool
+  show_create_event(THD *thd, LEX_STRING dbname, LEX_STRING name);
+
+  /* Needed for both SHOW CREATE EVENT and INFORMATION_SCHEMA */
+  static int
+  reconstruct_interval_expression(String *buf, interval_type interval,
+                                  longlong expression);
+
+  static int
+  fill_schema_events(THD *thd, TABLE_LIST *tables, COND * /* cond */);
+
+  void
+  dump_internal_status();
+
+private:
+  bool
+  check_system_tables(THD *thd);
+
+  /* Singleton DP is used */
+  Events();
+  ~Events(){}
+
+  /* Singleton instance */
+  static Events singleton;
+
+  Event_queue         *event_queue;
+  Event_scheduler     *scheduler;
+  Event_db_repository *db_repository;
+
+  pthread_mutex_t LOCK_event_metadata;
+
+  bool check_system_tables_error;
+
+  /* Prevent use of these */
+  Events(const Events &);
+  void operator=(Events &);
+};
+
+
+#endif /* _EVENT_H_ */