Introducing sql_concat() - and use it in sql_fullname()
Introducing sql_concat() - and use it in sql_fullname()

sql_concat() is just a passthrough to $db->Concat() -- it doesn't
add any value, and I think the dispatching is somewhat expensive.

Just using $db->Concat() should be good enough, were it not for
consistency in our DM API.

dilawar/moodle