MySQL 5.1: mysql/src/5.1-dbg/sql/events.h Source File
mysql/src/5.1-dbg/sql/events.h

00001 #ifndef _EVENT_H_
00002 #define _EVENT_H_
00003 /* Copyright (C) 2004-2006 MySQL AB
00004 
00005    This program is free software; you can redistribute it and/or modify
00006    it under the terms of the GNU General Public License as published by
00007    the Free Software Foundation; either version 2 of the License, or
00008    (at your option) any later version.
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00018 
00019 
00020 class Event_timed;
00021 
00022 class Events
00023 {
00024 public:
00025   static ulong opt_event_scheduler;
00026   static TYPELIB opt_typelib;
00027 
00028   enum enum_table_field
00029   {
00030     FIELD_DB = 0,
00031     FIELD_NAME,
00032     FIELD_BODY,
00033     FIELD_DEFINER,
00034     FIELD_EXECUTE_AT,
00035     FIELD_INTERVAL_EXPR,
00036     FIELD_TRANSIENT_INTERVAL,
00037     FIELD_CREATED,
00038     FIELD_MODIFIED,
00039     FIELD_LAST_EXECUTED,
00040     FIELD_STARTS,
00041     FIELD_ENDS,
00042     FIELD_STATUS,
00043     FIELD_ON_COMPLETION,
00044     FIELD_SQL_MODE,
00045     FIELD_COMMENT,
00046     FIELD_COUNT /* a cool trick to count the number of fields :) */
00047   };
00048 
00049   static int
00050   create_event(THD *thd, Event_timed *et, uint create_options,
00051                uint *rows_affected);
00052 
00053   static int
00054   update_event(THD *thd, Event_timed *et, sp_name *new_name,
00055                uint *rows_affected);
00056 
00057   static int
00058   drop_event(THD *thd, Event_timed *et, bool drop_if_exists,
00059              uint *rows_affected);
00060 
00061   static int
00062   open_event_table(THD *thd, enum thr_lock_type lock_type, TABLE **table);
00063 
00064   static int
00065   show_create_event(THD *thd, sp_name *spn);
00066 
00067   static int
00068   reconstruct_interval_expression(String *buf, interval_type interval,
00069                                   longlong expression);
00070 
00071   static int
00072   drop_schema_events(THD *thd, char *db);
00073   
00074   static int
00075   dump_internal_status(THD *thd);
00076   
00077   static int
00078   init();
00079   
00080   static void
00081   shutdown();
00082 
00083   static void
00084   init_mutexes();
00085   
00086   static void
00087   destroy_mutexes();
00088 
00089 
00090 private:
00091   /* Prevent use of these */
00092   Events(const Events &);
00093   void operator=(Events &);
00094 };
00095 
00096 
00097 #endif /* _EVENT_H_ */
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