Reorganize, physically the events code

Unify method naming -> create/update/drop_event
Move class Event_timed to event_timed.h
class Events is in events.h (renamed from event.h)
The implementation is in events.cc (renamed from event.h)

.bzrignore

@@ -1771,3 +1771,4 @@ vio/viotest.cpp
 zlib/*.ds?
 zlib/*.vcproj
 libmysqld/event_scheduler.cc
+libmysqld/events.cc

include/my_time.h

@@ -104,7 +104,7 @@ enum interval_type
   INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE,
   INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND,
   INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND, INTERVAL_HOUR_MICROSECOND,
-  INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
+  INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND, INTERVAL_LAST
 };
 
 C_MODE_END

libmysqld/CMakeLists.txt

@@ -29,7 +29,7 @@ ADD_LIBRARY(mysqldemb emb_qcache.cc libmysqld.c lib_sql.cc
             ../libmysql/libmysql.c ../sql/password.c ../sql-common/client.c
             ../sql-common/my_time.c ../sql-common/my_user.c
             ../sql-common/pack.c ../sql/derror.cc ../sql/event_executor.cc
-            ../sql/event_timed.cc ../sql/event.cc ../sql/discover.cc
+            ../sql/event_timed.cc ../sql/events.cc ../sql/discover.cc
             ../sql/field_conv.cc ../sql/field.cc ../sql/filesort.cc
             ../sql/gstream.cc ../sql/ha_heap.cc ../sql/ha_myisam.cc
             ../sql/ha_myisammrg.cc ${mysql_se_ha_src}

libmysqld/Makefile.am

@@ -68,7 +68,7 @@ sqlsources = derror.cc field.cc field_conv.cc strfunc.cc filesort.cc \
 	spatial.cc gstream.cc sql_help.cc tztime.cc sql_cursor.cc \
 	sp_head.cc sp_pcontext.cc sp.cc sp_cache.cc sp_rcontext.cc \
 	parse_file.cc sql_view.cc sql_trigger.cc my_decimal.cc \
-	event_scheduler.cc event.cc event_timed.cc \
+	event_scheduler.cc events.cc event_timed.cc \
 	rpl_filter.cc sql_partition.cc sql_builtin.cc sql_plugin.cc \
 	sql_tablespace.cc \
 	rpl_injector.cc my_user.c partition_info.cc

sql/CMakeLists.txt

@@ -52,7 +52,7 @@ ADD_EXECUTABLE(mysqld ../sql-common/client.c derror.cc des_key_file.cc
                sql_update.cc sql_view.cc strfunc.cc table.cc thr_malloc.cc 
                time.cc tztime.cc uniques.cc unireg.cc item_xmlfunc.cc 
                rpl_tblmap.cc sql_binlog.cc event_scheduler.cc event_timed.cc 
-               sql_tablespace.cc event.cc ../sql-common/my_user.c 
+               sql_tablespace.cc events.cc ../sql-common/my_user.c 
                partition_info.cc
                ${PROJECT_SOURCE_DIR}/sql/sql_yacc.cc
   			   ${PROJECT_SOURCE_DIR}/sql/sql_yacc.h

sql/Makefile.am

@@ -64,7 +64,7 @@ noinst_HEADERS =	item.h item_func.h item_sum.h item_cmpfunc.h \
 			tztime.h my_decimal.h\
 			sp_head.h sp_pcontext.h sp_rcontext.h sp.h sp_cache.h \
 			parse_file.h sql_view.h	sql_trigger.h \
-			sql_array.h sql_cursor.h event.h event_priv.h \
+			sql_array.h sql_cursor.h events.h events_priv.h \
 			sql_plugin.h authors.h sql_partition.h \
 			partition_info.h partition_element.h event_scheduler.h \
 			contributors.h
@@ -104,7 +104,7 @@ mysqld_SOURCES =	sql_lex.cc sql_handler.cc sql_partition.cc \
 			tztime.cc my_time.c my_user.c my_decimal.cc\
 			sp_head.cc sp_pcontext.cc  sp_rcontext.cc sp.cc \
 			sp_cache.cc parse_file.cc sql_trigger.cc \
-                        event_scheduler.cc event.cc event_timed.cc \
+                        event_scheduler.cc events.cc event_timed.cc \
 			sql_plugin.cc sql_binlog.cc \
 			sql_builtin.cc sql_tablespace.cc partition_info.cc
 

sql/event_executor.cc

-/* Copyright (C) 2004-2005 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; either version 2 of the License, or
-   (at your option) any later version.
-
-   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 */

sql/event_scheduler.cc

@@ -14,8 +14,10 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-#include "event_priv.h"
-#include "event.h"
+#include "mysql_priv.h"
+#include "events_priv.h"
+#include "events.h"
+#include "event_timed.h"
 #include "event_scheduler.h"
 #include "sp_head.h"
 
@@ -46,8 +48,8 @@
   The scheduler only manages execution of the events. Their creation,
   alteration and deletion is delegated to other routines found in event.cc .
   These routines interact with the scheduler :
-  - CREATE EVENT -> Event_scheduler::add_event()
-  - ALTER EVENT  -> Event_scheduler::replace_event()
+  - CREATE EVENT -> Event_scheduler::create_event()
+  - ALTER EVENT  -> Event_scheduler::update_event()
   - DROP EVENT   -> Event_scheduler::drop_event()
 
   There is one mutex in the single Event_scheduler object which controls
@@ -298,6 +300,35 @@ class Worker_thread_param
 };
 
 
+/*
+  Compares the execute_at members of 2 Event_timed instances.
+  Used as callback for the prioritized queue when shifting
+  elements inside.
+
+  SYNOPSIS
+    event_timed_compare_q()
+  
+      vptr - not used (set it to NULL)
+      a    - first Event_timed object
+      b    - second Event_timed object
+
+  RETURN VALUE
+   -1   - a->execute_at < b->execute_at
+    0   - a->execute_at == b->execute_at
+    1   - a->execute_at > b->execute_at
+    
+  NOTES
+    execute_at.second_part is not considered during comparison
+*/
+
+static int 
+event_timed_compare_q(void *vptr, byte* a, byte *b)
+{
+  return my_time_compare(&((Event_timed *)a)->execute_at,
+                         &((Event_timed *)b)->execute_at);
+}
+
+
 /*
   Prints the stack of infos, warnings, errors from thd to
   the console so it can be fetched by the logs-into-tables and
@@ -740,10 +771,10 @@ Event_scheduler::destroy()
 
 
 /*
-  Adds an event to the scheduler queue
+  Creates an event in the scheduler queue
 
   SYNOPSIS
-    Event_scheduler::add_event()
+    Event_scheduler::create_event()
       et              The event to add
       check_existence Whether to check if already loaded.
 
@@ -753,11 +784,11 @@ Event_scheduler::destroy()
 */
 
 enum Event_scheduler::enum_error_code
-Event_scheduler::add_event(THD *thd, Event_timed *et, bool check_existence)
+Event_scheduler::create_event(THD *thd, Event_timed *et, bool check_existence)
 {
   enum enum_error_code res;
   Event_timed *et_new;
-  DBUG_ENTER("Event_scheduler::add_event");
+  DBUG_ENTER("Event_scheduler::create_event");
   DBUG_PRINT("enter", ("thd=%p et=%p lock=%p",thd,et,&LOCK_scheduler_data));
 
   LOCK_SCHEDULER_DATA();
@@ -859,7 +890,7 @@ Event_scheduler::drop_event(THD *thd, Event_timed *et)
 
 
 /*
-  Replaces an event in the scheduler queue
+  Updates an event from the scheduler queue
 
   SYNOPSIS
     Event_scheduler::replace_event()
@@ -873,14 +904,14 @@ Event_scheduler::drop_event(THD *thd, Event_timed *et)
 */
 
 enum Event_scheduler::enum_error_code
-Event_scheduler::replace_event(THD *thd, Event_timed *et, LEX_STRING *new_schema,
+Event_scheduler::update_event(THD *thd, Event_timed *et, LEX_STRING *new_schema,
                                LEX_STRING *new_name)
 {
   enum enum_error_code res;
   Event_timed *et_old, *et_new= NULL;
   LEX_STRING old_schema, old_name;
 
-  DBUG_ENTER("Event_scheduler::replace_event");
+  DBUG_ENTER("Event_scheduler::update_event");
   DBUG_PRINT("enter", ("thd=%p et=%p et=[%s.%s] lock=%p",
              thd, et, et->dbname.str, et->name.str, &LOCK_scheduler_data));
 

sql/event_scheduler.h

@@ -16,6 +16,7 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
+class Event_timed;
 
 class THD;
 typedef bool * (*event_timed_identifier_comparator)(Event_timed*, Event_timed*);
@@ -26,7 +27,6 @@ events_init();
 void
 events_shutdown();
 
-
 class Event_scheduler
 {
 public:
@@ -66,14 +66,15 @@ class Event_scheduler
   /* Methods for queue management follow */
 
   enum enum_error_code
-  add_event(THD *thd, Event_timed *et, bool check_existence);
+  create_event(THD *thd, Event_timed *et, bool check_existence);
+
+  enum enum_error_code
+  update_event(THD *thd, Event_timed *et, LEX_STRING *new_schema,
+                LEX_STRING *new_name);
 
   bool
   drop_event(THD *thd, Event_timed *et);
 
-  enum enum_error_code
-  replace_event(THD *thd, Event_timed *et, LEX_STRING *new_schema,
-                LEX_STRING *new_name);
 
   int
   drop_schema_events(THD *thd, LEX_STRING *schema);

sql/event_timed.cc

@@ -15,8 +15,10 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 #define MYSQL_LEX 1
-#include "event_priv.h"
-#include "event.h"
+#include "mysql_priv.h"
+#include "events_priv.h"
+#include "events.h"
+#include "event_timed.h"
 #include "sp_head.h"
 
 
@@ -395,6 +397,8 @@ Event_timed::init_interval(THD *thd, Item *expr, interval_type new_interval)
     break;
   case INTERVAL_MICROSECOND:
     DBUG_RETURN(EVEX_MICROSECOND_UNSUP);  
+  case INTERVAL_LAST:
+    DBUG_ASSERT(0);
   }
   if (interval_tmp.neg || expression > EVEX_MAX_INTERVAL_VALUE)
     DBUG_RETURN(EVEX_BAD_PARAMS);
@@ -834,6 +838,8 @@ bool get_next_time(TIME *next, TIME *start, TIME *time_now, TIME *last_exec,
     */
     DBUG_RETURN(1);
     break;
+  case INTERVAL_LAST:
+    DBUG_ASSERT(0);
   }
   DBUG_PRINT("info", ("seconds=%ld months=%ld", seconds, months));
   if (seconds)
@@ -1279,7 +1285,6 @@ Event_timed::update_fields(THD *thd)
   DBUG_RETURN(ret);
 }
 
-extern LEX_STRING interval_type_to_name[];
 
 /*
   Get SHOW CREATE EVENT as string

sql/event.cc → sql/events.cc

@@ -14,8 +14,10 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-#include "event_priv.h"
-#include "event.h"
+#include "mysql_priv.h"
+#include "events_priv.h"
+#include "events.h"
+#include "event_timed.h"
 #include "event_scheduler.h"
 #include "sp.h"
 #include "sp_head.h"
@@ -160,35 +162,11 @@ TABLE_FIELD_W_TYPE event_table_fields[Events::FIELD_COUNT] = {
 };
 
 
-LEX_STRING interval_type_to_name[] = {
-  {(char *) STRING_WITH_LEN("YEAR")},
-  {(char *) STRING_WITH_LEN("QUARTER")},
-  {(char *) STRING_WITH_LEN("MONTH")},
-  {(char *) STRING_WITH_LEN("DAY")},
-  {(char *) STRING_WITH_LEN("HOUR")},
-  {(char *) STRING_WITH_LEN("MINUTE")},
-  {(char *) STRING_WITH_LEN("WEEK")},
-  {(char *) STRING_WITH_LEN("SECOND")},
-  {(char *) STRING_WITH_LEN("MICROSECOND")},
-  {(char *) STRING_WITH_LEN("YEAR_MONTH")},
-  {(char *) STRING_WITH_LEN("DAY_HOUR")},
-  {(char *) STRING_WITH_LEN("DAY_MINUTE")},
-  {(char *) STRING_WITH_LEN("DAY_SECOND")},
-  {(char *) STRING_WITH_LEN("HOUR_MINUTE")},
-  {(char *) STRING_WITH_LEN("HOUR_SECOND")},
-  {(char *) STRING_WITH_LEN("MINUTE_SECOND")},
-  {(char *) STRING_WITH_LEN("DAY_MICROSECOND")},
-  {(char *) STRING_WITH_LEN("HOUR_MICROSECOND")},
-  {(char *) STRING_WITH_LEN("MINUTE_MICROSECOND")},
-  {(char *) STRING_WITH_LEN("SECOND_MICROSECOND")}
-}; 
-
-
 /*
   Compares 2 LEX strings regarding case.
 
   SYNOPSIS
-    my_time_compare()
+    sortcmp_lex_string()
 
       s - first LEX_STRING
       t - second LEX_STRING
@@ -210,68 +188,6 @@ int sortcmp_lex_string(LEX_STRING s, LEX_STRING t, CHARSET_INFO *cs)
 }
 
 
-/*
-  Compares 2 TIME structures
-
-  SYNOPSIS
-    my_time_compare()
-
-      a - first TIME
-      b - second time
-
-  RETURN VALUE
-   -1   - a < b
-    0   - a == b
-    1   - a > b
-
-  NOTES
-    TIME.second_part is not considered during comparison
-*/
-
-int
-my_time_compare(TIME *a, TIME *b)
-{
-  my_ulonglong a_t= TIME_to_ulonglong_datetime(a);
-  my_ulonglong b_t= TIME_to_ulonglong_datetime(b);
-
-  if (a_t > b_t)
-    return 1;
-  else if (a_t < b_t)
-    return -1;
-
-  return 0;
-}
-
-
-/*
-  Compares the execute_at members of 2 Event_timed instances.
-  Used as callback for the prioritized queue when shifting
-  elements inside.
-
-  SYNOPSIS
-    event_timed_compare()
-  
-      vptr - not used (set it to NULL)
-      a    - first Event_timed object
-      b    - second Event_timed object
-
-  RETURNS:
-   -1   - a->execute_at < b->execute_at
-    0   - a->execute_at == b->execute_at
-    1   - a->execute_at > b->execute_at
-    
-  Notes
-    execute_at.second_part is not considered during comparison
-*/
-
-int 
-event_timed_compare_q(void *vptr, byte* a, byte *b)
-{
-  return my_time_compare(&((Event_timed *)a)->execute_at,
-                         &((Event_timed *)b)->execute_at);
-}
-
-
 /*
   Reconstructs interval expression from interval type and expression
   value that is in form of a value of the smalles entity:
@@ -999,7 +915,8 @@ Events::create_event(THD *thd, Event_timed *et, uint create_options,
                              rows_affected)))
   {
     Event_scheduler *scheduler= Event_scheduler::get_instance();
-    if (scheduler->initialized() && (ret= scheduler->add_event(thd, et, true)))
+    if (scheduler->initialized() &&
+        (ret= scheduler->create_event(thd, et, true)))
       my_error(ER_EVENT_MODIFY_QUEUE_ERROR, MYF(0), ret);
   }
   /* No need to close the table, it will be closed in sql_parse::do_command */
@@ -1044,7 +961,7 @@ Events::update_event(THD *thd, Event_timed *et, sp_name *new_name,
   {
     Event_scheduler *scheduler= Event_scheduler::get_instance();
     if (scheduler->initialized() &&
-        (ret= scheduler->replace_event(thd, et,
+        (ret= scheduler->update_event(thd, et,
                                        new_name? &new_name->m_db: NULL,
                                        new_name? &new_name->m_name: NULL)))
       my_error(ER_EVENT_MODIFY_QUEUE_ERROR, MYF(0), ret);

sql/event.h → sql/events.h

@@ -17,29 +17,6 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 
-
-#define EVEX_OK                  0
-#define EVEX_KEY_NOT_FOUND      -1
-#define EVEX_OPEN_TABLE_FAILED  -2
-#define EVEX_WRITE_ROW_FAILED   -3
-#define EVEX_DELETE_ROW_FAILED  -4
-#define EVEX_GET_FIELD_FAILED   -5
-#define EVEX_PARSE_ERROR        -6
-#define EVEX_INTERNAL_ERROR     -7
-#define EVEX_NO_DB_ERROR        -8
-#define EVEX_COMPILE_ERROR     -19
-#define EVEX_GENERAL_ERROR     -20
-#define EVEX_BAD_IDENTIFIER    -21 
-#define EVEX_BODY_TOO_LONG     -22
-#define EVEX_BAD_PARAMS        -23
-#define EVEX_NOT_RUNNING       -24
-#define EVEX_MICROSECOND_UNSUP -25
-#define EVEX_CANT_KILL         -26
-
-#define EVENT_EXEC_NO_MORE      (1L << 0)
-#define EVENT_NOT_USED          (1L << 1)
-#define EVENT_FREE_WHEN_FINISHED (1L << 2)
-
 class Event_timed;
 
 class Events
@@ -117,180 +94,4 @@ class Events
 };
 
 
-
-class sp_head;
-
-class Event_timed
-{
-  Event_timed(const Event_timed &);	/* Prevent use of these */
-  void operator=(Event_timed &);
-  my_bool in_spawned_thread;
-  ulong locked_by_thread_id;
-  my_bool running;
-  ulong thread_id;
-  pthread_mutex_t LOCK_running;
-  pthread_cond_t COND_finished;
-
-  bool status_changed;
-  bool last_executed_changed;
-
-public:
-  enum enum_status
-  {
-    ENABLED = 1,
-    DISABLED
-  };
-
-  enum enum_on_completion
-  {
-    ON_COMPLETION_DROP = 1,
-    ON_COMPLETION_PRESERVE
-  };
-
-  TIME last_executed;
-
-  LEX_STRING dbname;
-  LEX_STRING name;
-  LEX_STRING body;
-
-  LEX_STRING definer_user;
-  LEX_STRING definer_host;
-  LEX_STRING definer;// combination of user and host
-
-  LEX_STRING comment;
-  TIME starts;
-  TIME ends;
-  TIME execute_at;
-  my_bool starts_null;
-  my_bool ends_null;
-  my_bool execute_at_null;
-
-  longlong expression;
-  interval_type interval;
-
-  ulonglong created;
-  ulonglong modified;
-  enum enum_on_completion on_completion;
-  enum enum_status status;
-  sp_head *sphead;
-  ulong sql_mode;
-  const uchar *body_begin;
-
-  bool dropped;
-  bool free_sphead_on_delete;
-  uint flags;//all kind of purposes
-
-  static void *operator new(size_t size)
-  {
-    void *p;
-    DBUG_ENTER("Event_timed::new(size)");
-    p= my_malloc(size, MYF(0));
-    DBUG_PRINT("info", ("alloc_ptr=0x%lx", p));
-    DBUG_RETURN(p);
-  }
-
-  static void *operator new(size_t size, MEM_ROOT *mem_root)
-  { return (void*) alloc_root(mem_root, (uint) size); }
-
-  static void operator delete(void *ptr, size_t size)
-  {
-    DBUG_ENTER("Event_timed::delete(ptr,size)");
-    DBUG_PRINT("enter", ("free_ptr=0x%lx", ptr));
-    TRASH(ptr, size);
-    my_free((gptr) ptr, MYF(0));
-    DBUG_VOID_RETURN;
-  }
-
-  static void operator delete(void *ptr, MEM_ROOT *mem_root)
-  {
-    /*
-      Don't free the memory it will be done by the mem_root but
-      we need to call the destructor because we free other resources
-      which are not allocated on the root but on the heap, or we
-      deinit mutexes.
-    */
-    DBUG_ASSERT(0);
-  }
-
-  Event_timed();
-
-  ~Event_timed();
-
-  void
-  init();
-
-  void
-  deinit_mutexes();
-
-  int
-  init_definer(THD *thd);
-
-  int
-  init_execute_at(THD *thd, Item *expr);
-
-  int
-  init_interval(THD *thd, Item *expr, interval_type new_interval);
-
-  void
-  init_name(THD *thd, sp_name *spn);
-
-  int
-  init_starts(THD *thd, Item *starts);
-
-  int
-  init_ends(THD *thd, Item *ends);
-
-  void
-  init_body(THD *thd);
-
-  void
-  init_comment(THD *thd, LEX_STRING *set_comment);
-
-  int
-  load_from_row(MEM_ROOT *mem_root, TABLE *table);
-
-  bool
-  compute_next_execution_time();
-
-  int
-  drop(THD *thd);
-
-  void
-  mark_last_executed(THD *thd);
-
-  bool
-  update_fields(THD *thd);
-
-  int
-  get_create_event(THD *thd, String *buf);
-
-  int
-  execute(THD *thd, MEM_ROOT *mem_root);
-
-  int
-  compile(THD *thd, MEM_ROOT *mem_root);
-
-  bool
-  is_running();
-
-  int
-  spawn_now(void * (*thread_func)(void*), void *arg);
-  
-  bool
-  spawn_thread_finish(THD *thd);
-  
-  void
-  free_sp();
-
-  bool
-  has_equal_db(Event_timed *etn);
-
-  int
-  kill_thread(THD *thd);
-
-  void
-  set_thread_id(ulong tid) { thread_id= tid; }
-};
-
-
 #endif /* _EVENT_H_ */

sql/event_priv.h → sql/events_priv.h

@@ -16,9 +16,6 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-#include "mysql_priv.h"
-
-
 #define EVENT_EXEC_STARTED      0
 #define EVENT_EXEC_ALREADY_EXEC 1
 #define EVENT_EXEC_CANT_FORK    2
@@ -27,17 +24,13 @@
 #define EVEX_NAME_FIELD_LEN 64
 #define EVEX_MAX_INTERVAL_VALUE 2147483647L
 
-int
-my_time_compare(TIME *a, TIME *b);
+class Event_timed;
 
 int
 evex_db_find_event_by_name(THD *thd, const LEX_STRING dbname,
                           const LEX_STRING ev_name,
                           TABLE *table);
 
-int
-event_timed_compare_q(void *vptr, byte* a, byte *b);
-
 int
 db_drop_event(THD *thd, Event_timed *et, bool drop_if_exists,
               uint *rows_affected);

sql/mysql_priv.h

@@ -1739,6 +1739,8 @@ bool date_add_interval(TIME *ltime, interval_type int_type, INTERVAL interval);
 bool calc_time_diff(TIME *l_time1, TIME *l_time2, int l_sign,
                     longlong *seconds_out, long *microseconds_out);
 
+extern LEX_STRING interval_type_to_name[];
+
 extern DATE_TIME_FORMAT *date_time_format_make(timestamp_type format_type,
 					       const char *format_str,
 					       uint format_length);
@@ -1754,6 +1756,7 @@ void make_date(const DATE_TIME_FORMAT *format, const TIME *l_time,
                String *str);
 void make_time(const DATE_TIME_FORMAT *format, const TIME *l_time,
                String *str);
+int my_time_compare(TIME *a, TIME *b);
 
 int test_if_number(char *str,int *res,bool allow_wildcards);
 void change_byte(byte *,uint,char,char);
@@ -1770,6 +1773,7 @@ void filesort_free_buffers(TABLE *table);
 void change_double_for_sort(double nr,byte *to);
 double my_double_round(double value, int dec, bool truncate);
 int get_quick_record(SQL_SELECT *select);
+
 int calc_weekday(long daynr,bool sunday_first_day_of_week);
 uint calc_week(TIME *l_time, uint week_behaviour, uint *year);
 void find_date(char *pos,uint *vek,uint flag);

sql/mysqld.cc

@@ -24,7 +24,7 @@
 #include "stacktrace.h"
 #include "mysqld_suffix.h"
 #include "mysys_err.h"
-#include "event.h"
+#include "events.h"
 
 #include "ha_myisam.h"
 

sql/sql_db.cc

@@ -20,7 +20,7 @@
 #include "mysql_priv.h"
 #include <mysys_err.h>
 #include "sp.h"
-#include "event.h"
+#include "events.h"
 #include <my_dir.h>
 #include <m_ctype.h>
 #ifdef __WIN__

sql/sql_parse.cc

@@ -26,7 +26,8 @@
 #include "sp_head.h"
 #include "sp.h"
 #include "sp_cache.h"
-#include "event.h"
+#include "events.h"
+#include "event_timed.h"
 
 #ifdef HAVE_OPENSSL
 /*

sql/sql_show.cc

@@ -26,7 +26,8 @@
 #include "sql_trigger.h"
 #include "authors.h"
 #include "contributors.h"
-#include "event.h"
+#include "events.h"
+#include "event_timed.h"
 #include <my_dir.h>
 
 #ifdef WITH_PARTITION_STORAGE_ENGINE

sql/sql_yacc.yy

@@ -38,7 +38,7 @@
 #include "sp_pcontext.h"
 #include "sp_rcontext.h"
 #include "sp.h"
-#include "event.h"
+#include "event_timed.h"
 #include <myisam.h>
 #include <myisammrg.h>
 

sql/time.cc

@@ -24,6 +24,30 @@
 	/* Some functions to calculate dates */
 
 #ifndef TESTTIME
+
+LEX_STRING interval_type_to_name[INTERVAL_LAST] = {
+  {(char *) STRING_WITH_LEN("YEAR")},
+  {(char *) STRING_WITH_LEN("QUARTER")},
+  {(char *) STRING_WITH_LEN("MONTH")},
+  {(char *) STRING_WITH_LEN("DAY")},
+  {(char *) STRING_WITH_LEN("HOUR")},
+  {(char *) STRING_WITH_LEN("MINUTE")},
+  {(char *) STRING_WITH_LEN("WEEK")},
+  {(char *) STRING_WITH_LEN("SECOND")},
+  {(char *) STRING_WITH_LEN("MICROSECOND")},
+  {(char *) STRING_WITH_LEN("YEAR_MONTH")},
+  {(char *) STRING_WITH_LEN("DAY_HOUR")},
+  {(char *) STRING_WITH_LEN("DAY_MINUTE")},
+  {(char *) STRING_WITH_LEN("DAY_SECOND")},
+  {(char *) STRING_WITH_LEN("HOUR_MINUTE")},
+  {(char *) STRING_WITH_LEN("HOUR_SECOND")},
+  {(char *) STRING_WITH_LEN("MINUTE_SECOND")},
+  {(char *) STRING_WITH_LEN("DAY_MICROSECOND")},
+  {(char *) STRING_WITH_LEN("HOUR_MICROSECOND")},
+  {(char *) STRING_WITH_LEN("MINUTE_MICROSECOND")},
+  {(char *) STRING_WITH_LEN("SECOND_MICROSECOND")}
+}; 
+
 	/* Calc weekday from daynr */
 	/* Returns 0 for monday, 1 for tuesday .... */
 
@@ -909,4 +933,36 @@ calc_time_diff(TIME *l_time1, TIME *l_time2, int l_sign, longlong *seconds_out,
 }
 
 
+/*
+  Compares 2 TIME structures
+
+  SYNOPSIS
+    my_time_compare()
+
+      a - first TIME
+      b - second time
+
+  RETURN VALUE
+   -1   - a < b
+    0   - a == b
+    1   - a > b
+
+  NOTES
+    TIME.second_part is not considered during comparison
+*/
+
+int
+my_time_compare(TIME *a, TIME *b)
+{
+  my_ulonglong a_t= TIME_to_ulonglong_datetime(a);
+  my_ulonglong b_t= TIME_to_ulonglong_datetime(b);
+
+  if (a_t > b_t)
+    return 1;
+  else if (a_t < b_t)
+    return -1;
+
+  return 0;
+}
+
 #endif