fix for bug#16407 (EVENTS: sql_mode)

post-review fixes

mysql-test/r/events_bugs.result

@@ -18,8 +18,8 @@ end|
 show processlist;
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	events_test	Query	#	NULL	show processlist
-#	event_scheduler		NULL	Connect	#	Sleeping	NULL
-#	root		events_test	Connect	#	User lock	select get_lock('test_bug16407', 60)
+#	event_scheduler	localhost	NULL	Connect	#	Sleeping	NULL
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('test_bug16407', 60)
 select release_lock('test_bug16407');
 release_lock('test_bug16407')
 1
@@ -72,17 +72,17 @@ set global event_scheduler= 1;
 show processlist;
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	events_test	Query	#	NULL	show processlist
-#	event_scheduler		NULL	Connect	#	Sleeping	NULL
-#	root		events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
-#	root		events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
-#	root		events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
+#	event_scheduler	localhost	NULL	Connect	#	Sleeping	NULL
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('ee_16407_2', 60)
 select release_lock('ee_16407_2');
 release_lock('ee_16407_2')
 1
 show processlist;
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	events_test	Query	#	NULL	show processlist
-#	event_scheduler		NULL	Connect	#	Sleeping	NULL
+#	event_scheduler	localhost	NULL	Connect	#	Sleeping	NULL
 set global event_scheduler= 0;
 select * from events_smode_test order by ev_name, a;
 ev_name	a
@@ -121,16 +121,16 @@ set global event_scheduler= 1;
 show processlist;
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	events_test	Query	#	NULL	show processlist
-#	event_scheduler		NULL	Connect	#	Sleeping	NULL
-#	root		events_test	Connect	#	User lock	select get_lock('ee_16407_5', 60)
-#	root		events_test	Connect	#	User lock	select get_lock('ee_16407_5', 60)
+#	event_scheduler	localhost	NULL	Connect	#	Sleeping	NULL
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('ee_16407_5', 60)
+#	root	localhost	events_test	Connect	#	User lock	select get_lock('ee_16407_5', 60)
 select release_lock('ee_16407_5');
 release_lock('ee_16407_5')
 1
 show processlist;
 Id	User	Host	db	Command	Time	State	Info
 #	root	localhost	events_test	Query	#	NULL	show processlist
-#	event_scheduler		NULL	Connect	#	Sleeping	NULL
+#	event_scheduler	localhost	NULL	Connect	#	Sleeping	NULL
 select * from events_smode_test order by ev_name, a;
 ev_name	a
 ee_16407_6	2004-02-29

sql/event.cc

@@ -1384,7 +1384,7 @@ evex_show_create_event(THD *thd, sp_name *spn, LEX_STRING definer)
     char show_str_buf[768];
     String show_str(show_str_buf, sizeof(show_str_buf), system_charset_info);
     List<Item> field_list;
-    const char *sql_mode_str;
+    byte *sql_mode_str;
     ulong sql_mode_len=0;
     
     show_str.length(0);

sql/event_executor.cc

@@ -268,7 +268,7 @@ init_event_thread(THD* thd)
   thd->client_capabilities= 0;
   thd->security_ctx->master_access= 0;
   thd->security_ctx->db_access= 0;
-  thd->security_ctx->host= (char*)my_localhost;
+  thd->security_ctx->host_or_ip= (char*)my_localhost;
   my_net_init(&thd->net, 0);
   thd->net.read_timeout = slave_net_timeout;
   thd->slave_thread= 0;

sql/event_timed.cc

@@ -111,17 +111,21 @@ void
 event_timed::init_body(THD *thd)
 {
   DBUG_ENTER("event_timed::init_body");
-  MEM_ROOT *root= thd->mem_root;
+  DBUG_PRINT("info", ("body=[%s] body_begin=0x%ld end=0x%ld", body_begin,
+             body_begin, thd->lex->ptr));
 
   body.length= thd->lex->ptr - body_begin;
   // Trim nuls at the end
   while (body.length && body_begin[body.length-1] == '\0')
     body.length--;
 
-  //the first is always space which I cannot skip in the parser
-  DBUG_ASSERT(my_isspace(thd->variables.character_set_client, *body_begin));
-  body.length--;
-  body.str= strmake_root(root, (char *)body_begin + 1, body.length);
+  /* the first is always whitespace which I cannot skip in the parser */
+  while (my_isspace(thd->variables.character_set_client, *body_begin))
+  {
+    ++body_begin;
+    --body.length;
+  }
+  body.str= strmake_root(thd->mem_root, (char *)body_begin, body.length);
 
   DBUG_VOID_RETURN;
 }

sql/sql_show.cc

@@ -3956,7 +3956,7 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
 
   // [9] is SQL_MODE 
   {
-    const char *sql_mode_str="";
+    byte *sql_mode_str;
     ulong sql_mode_len=0;
     sql_mode_str=
            sys_var_thd_sql_mode::symbolic_mode_representation(thd, et.sql_mode,