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Merge bk-internal:/home/bk/mysql-5.0-runtime

Browse source 
into  mysql.com:/home/jimw/my/mysql-5.0-18005


sql/sql_trigger.cc:
  Auto merged
This commit is contained in:
unknown 2006-06-28 10:55:27 -07:00
commit d127fa3b51
4 changed files with 46 additions and 1 deletions
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12
mysql-test/r/trigger.result
View file

@ -1078,3 +1078,15 @@ i1
43
51
DROP TABLE t1;
create trigger wont_work after update on mysql.user for each row
begin
set @a:= 1;
end|
ERROR HY000: Triggers can not be created on system tables
use mysql|
create trigger wont_work after update on event for each row
begin
set @a:= 1;
end|
ERROR HY000: Triggers can not be created on system tables
End of 5.0 tests

24
mysql-test/t/trigger.test
View file

@ -1281,4 +1281,26 @@ SELECT * FROM t1;
DROP TABLE t1;
# End of 5.0 tests
#
# Bug #18005: Creating a trigger on mysql.event leads to server crash on
# scheduler startup
#
# Bug #18361: Triggers on mysql.user table cause server crash
#
# We don't allow triggers on the mysql schema
delimiter |;
--error ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA
create trigger wont_work after update on mysql.user for each row
begin
set @a:= 1;
end|
# Try when we're already using the mysql schema
use mysql|
--error ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA
create trigger wont_work after update on event for each row
begin
set @a:= 1;
end|
delimiter ;|
--echo End of 5.0 tests

2
sql/share/errmsg.txt
View file

@ -5619,3 +5619,5 @@ ER_NON_GROUPING_FIELD_USED 42000
eng "non-grouping field '%-.64s' is used in %-.64s clause"
ER_TABLE_CANT_HANDLE_SPKEYS
eng "The used table type doesn't support SPATIAL indexes"
ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA
eng "Triggers can not be created on system tables"

9
sql/sql_trigger.cc
View file

@ -183,6 +183,15 @@ bool mysql_create_or_drop_trigger(THD *thd, TABLE_LIST *tables, bool create)
!(tables= add_table_for_trigger(thd, thd->lex->spname)))
DBUG_RETURN(TRUE);
/*
We don't allow creating triggers on tables in the 'mysql' schema
*/
if (create && !my_strcasecmp(system_charset_info, "mysql", tables->db))
{
my_error(ER_NO_TRIGGERS_ON_SYSTEM_SCHEMA, MYF(0));
DBUG_RETURN(TRUE);
}
/* We should have only one table in table list. */
DBUG_ASSERT(tables->next_global == 0);