"Ardian Xharra \(Boxxo\)" <axharra@xxxxxxxxxx> writes: > Yes it is the version 8.1.1 and the error is > ERROR: missing FROM-clause entry for table "pg_class" > I have too many queries like this in my program and I was thinking maybe is > the fault of installation like I missed something. Is there anything I can > do or it's > the wrong way I was doing the queries in SQL You can set add_missing_from = true to reproduce the pre-8.1 behavior, but in the long run you'd be better off fixing your code. regards, tom lane