Merge adventure.(none):/home/thek/Development/cpp/bug28641/my51-bug28641

into  adventure.(none):/home/thek/Development/cpp/mysql-5.1-runtime


mysql-test/r/events_bugs.result:
  Auto merged

mysql-test/r/events_bugs.result

@@ -611,3 +611,10 @@ id	ev_nm	ev_cnt
 DROP TABLE event_log;
 SET GLOBAL event_scheduler = OFF;
 DROP DATABASE events_test;
+SET GLOBAL event_scheduler= ON;
+CREATE EVENT bug28641 ON SCHEDULE AT '2038.01.18 03:00:00'
+            DO BEGIN
+SELECT 1;
+END;|
+SET GLOBAL event_scheduler= OFF;
+DROP EVENT bug28641;

mysql-test/t/events_bugs.test

@@ -722,3 +722,18 @@ let $wait_condition=
 --source include/wait_condition.inc
 
 DROP DATABASE events_test;
+
+
+#
+# Bug#28641 CREATE EVENT with '2038.01.18 03:00:00' let server crash.
+#
+SET GLOBAL event_scheduler= ON;
+DELIMITER |;
+CREATE EVENT bug28641 ON SCHEDULE AT '2038.01.18 03:00:00'
+            DO BEGIN
+		SELECT 1;
+               END;|
+
+DELIMITER ;|
+SET GLOBAL event_scheduler= OFF;
+DROP EVENT bug28641;

sql/event_data_objects.cc

@@ -979,17 +979,18 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
     DBUG_RETURN(TRUE);
 
   starts_null= table->field[ET_FIELD_STARTS]->is_null();
+  my_bool not_used= FALSE;
   if (!starts_null)
   {
     table->field[ET_FIELD_STARTS]->get_date(&time, TIME_NO_ZERO_DATE);
-    starts= sec_since_epoch_TIME(&time);
+    starts= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
   }
 
   ends_null= table->field[ET_FIELD_ENDS]->is_null();
   if (!ends_null)
   {
     table->field[ET_FIELD_ENDS]->get_date(&time, TIME_NO_ZERO_DATE);
-    ends= sec_since_epoch_TIME(&time);
+    ends= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
   }
 
   if (!table->field[ET_FIELD_INTERVAL_EXPR]->is_null())
@@ -1007,7 +1008,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
     if (table->field[ET_FIELD_EXECUTE_AT]->get_date(&time,
                                                     TIME_NO_ZERO_DATE))
       DBUG_RETURN(TRUE);
-    execute_at= sec_since_epoch_TIME(&time);
+    execute_at= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
   }
 
   /*
@@ -1039,7 +1040,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
   {
     table->field[ET_FIELD_LAST_EXECUTED]->get_date(&time,
                                                    TIME_NO_ZERO_DATE);
-    last_executed= sec_since_epoch_TIME(&time);
+    last_executed= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
   }
   last_executed_changed= FALSE;
 

sql/event_db_repository.cc

@@ -250,7 +250,7 @@ mysql_event_fill_row(THD *thd,
     if (!et->starts_null)
     {
       MYSQL_TIME time;
-      my_tz_UTC->gmt_sec_to_TIME(&time, et->starts);
+      my_tz_OFFSET0->gmt_sec_to_TIME(&time, et->starts);
 
       fields[ET_FIELD_STARTS]->set_notnull();
       fields[ET_FIELD_STARTS]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
@@ -259,7 +259,7 @@ mysql_event_fill_row(THD *thd,
     if (!et->ends_null)
     {
       MYSQL_TIME time;
-      my_tz_UTC->gmt_sec_to_TIME(&time, et->ends);
+      my_tz_OFFSET0->gmt_sec_to_TIME(&time, et->ends);
 
       fields[ET_FIELD_ENDS]->set_notnull();
       fields[ET_FIELD_ENDS]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
@@ -278,7 +278,7 @@ mysql_event_fill_row(THD *thd,
     fields[ET_FIELD_ENDS]->set_null();
 
     MYSQL_TIME time;
-    my_tz_UTC->gmt_sec_to_TIME(&time, et->execute_at);
+    my_tz_OFFSET0->gmt_sec_to_TIME(&time, et->execute_at);
 
     fields[ET_FIELD_EXECUTE_AT]->set_notnull();
     fields[ET_FIELD_EXECUTE_AT]->
@@ -1004,7 +1004,7 @@ update_timing_fields_for_event(THD *thd,
   if (update_last_executed)
   {
     MYSQL_TIME time;
-    my_tz_UTC->gmt_sec_to_TIME(&time, last_executed);
+    my_tz_OFFSET0->gmt_sec_to_TIME(&time, last_executed);
 
     fields[ET_FIELD_LAST_EXECUTED]->set_notnull();
     fields[ET_FIELD_LAST_EXECUTED]->store_time(&time,

sql/event_queue.cc

@@ -740,7 +740,7 @@ Event_queue::dump_internal_status()
   printf("WOC             : %s\n", waiting_on_cond? "YES":"NO");
 
   MYSQL_TIME time;
-  my_tz_UTC->gmt_sec_to_TIME(&time, next_activation_at);
+  my_tz_OFFSET0->gmt_sec_to_TIME(&time, next_activation_at);
   if (time.year != 1970)
     printf("Next activation : %04d-%02d-%02d %02d:%02d:%02d\n",
            time.year, time.month, time.day, time.hour, time.minute, time.second);

sql/tztime.cc

@@ -807,19 +807,6 @@ sec_since_epoch(int year, int mon, int mday, int hour, int min ,int sec)
          SECS_PER_MIN + sec;
 }
 
-
- /*
-  Works like sec_since_epoch but expects MYSQL_TIME structure as parameter.
-*/
-
-my_time_t
-sec_since_epoch_TIME(MYSQL_TIME *t)
-{
-  return sec_since_epoch(t->year, t->month, t->day,
-                         t->hour, t->minute, t->second);
-}
-
-
 /*
   Converts local time in broken down MYSQL_TIME representation to my_time_t
   representation.
@@ -1425,7 +1412,9 @@ Time_zone_offset::get_name() const
 
 static Time_zone_utc tz_UTC;
 static Time_zone_system tz_SYSTEM;
+static Time_zone_offset tz_OFFSET0(0);
 
+Time_zone *my_tz_OFFSET0= &tz_OFFSET0;
 Time_zone *my_tz_UTC= &tz_UTC;
 Time_zone *my_tz_SYSTEM= &tz_SYSTEM;
 

sql/tztime.h

@@ -59,6 +59,7 @@ public:
 
 extern Time_zone * my_tz_UTC;
 extern Time_zone * my_tz_SYSTEM;
+extern Time_zone * my_tz_OFFSET0;
 extern Time_zone * my_tz_find(THD *thd, const String *name);
 extern my_bool     my_tz_init(THD *org_thd, const char *default_tzname, my_bool bootstrap);
 extern void        my_tz_free();