update ignored SQL for oracle

activerecord/test/cases/helper.rb

@@ -55,7 +55,7 @@ class SQLCounter
 
     # FIXME: this needs to be refactored so specific database can add their own
     # ignored SQL.  This ignored SQL is for Oracle.
-    IGNORED_SQL.concat [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from ((all|user)_tab_columns|(all|user)_triggers|(all|user)_constraints)/im]
+    IGNORED_SQL.concat [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from all_triggers/im]
 
     def initialize
       $queries_executed = []