Bug #31332 --event-scheduler option misbehaving

  
Changed the behaviour of the --event-scheduler option when used without an arguments. It
now turns the option on.

mysql-test/r/events_bugs.result

@@ -3,6 +3,10 @@ drop database if exists mysqltest_db1;
 drop database if exists mysqltest_db2;
 create database events_test;
 use events_test;
+select * from information_schema.global_variables where variable_name like 'event_scheduler';
+VARIABLE_NAME	VARIABLE_VALUE
+EVENT_SCHEDULER	ON
+SET GLOBAL event_scheduler = 'OFF';
 CREATE EVENT lower_case ON SCHEDULE EVERY 1 MINUTE DO SELECT 1;
 CREATE EVENT Lower_case ON SCHEDULE EVERY 2 MINUTE DO SELECT 2;
 ERROR HY000: Event 'Lower_case' already exists

mysql-test/t/events_bugs-master.opt

+--event-scheduler

mysql-test/t/events_bugs.test

@@ -9,6 +9,21 @@ drop database if exists mysqltest_db2;
 create database events_test;
 use events_test;
 
+#
+# START:  Bug #31332 --event-scheduler option misbehaving
+#
+
+# NOTE!! this test must come first! It's testing that the --event-scheduler
+# option with no argument in events_bugs-master.opt turns the scheduler on.
+
+select * from information_schema.global_variables where variable_name like 'event_scheduler';
+
+SET GLOBAL event_scheduler = 'OFF';
+
+#
+# END: Bug #31332
+#
+
 #
 # START - 16415: Events: event names are case sensitive
 #

sql/events.cc

@@ -146,7 +146,7 @@ bool
 Events::set_opt_event_scheduler(char *argument)
 {
   if (argument == NULL)
-    opt_event_scheduler= Events::EVENTS_DISABLED;
+    opt_event_scheduler= Events::EVENTS_ON;
   else
   {
     int type;