Merge mysql.com:/home/tomash/src/mysql_ab/mysql-5.0

into  mysql.com:/home/tomash/src/mysql_ab/mysql-5.0-bug10946


mysql-test/r/trigger.result:
  Auto merged
mysql-test/t/trigger.test:
  Auto merged
sql/sql_trigger.cc:
  Auto merged

mysql-test/r/trigger.result

@@ -295,7 +295,7 @@ create trigger trg before insert on t1 for each row set @a:=1;
 create trigger trg after insert on t1 for each row set @a:=1;
 ERROR HY000: Trigger already exists
 create trigger trg2 before insert on t1 for each row set @a:=1;
-ERROR HY000: Trigger already exists
+ERROR 42000: This version of MySQL doesn't yet support 'multiple triggers with the same action time and event for one table'
 create trigger trg before insert on t3 for each row set @a:=1;
 ERROR HY000: Trigger already exists
 create trigger trg2 before insert on t3 for each row set @a:=1;

mysql-test/t/trigger.test

@@ -321,7 +321,7 @@ create trigger trg before insert on t2 for each row set @a:=1;
 create trigger trg before insert on t1 for each row set @a:=1;
 --error 1359
 create trigger trg after insert on t1 for each row set @a:=1;
---error 1359
+--error 1235
 create trigger trg2 before insert on t1 for each row set @a:=1;
 --error 1359
 create trigger trg before insert on t3 for each row set @a:=1;

sql/sql_trigger.cc

@@ -375,7 +375,9 @@ bool Table_triggers_list::create_trigger(THD *thd, TABLE_LIST *tables,
   /* We don't allow creation of several triggers of the same type yet */
   if (bodies[lex->trg_chistics.event][lex->trg_chistics.action_time])
   {
-    my_message(ER_TRG_ALREADY_EXISTS, ER(ER_TRG_ALREADY_EXISTS), MYF(0));
+    my_error(ER_NOT_SUPPORTED_YET, MYF(0),
+             "multiple triggers with the same action time"
+             " and event for one table");
     return 1;
   }