=?UTF-8?Q?Viktor_Bojovi=C4=87?= <viktor(dot)bojovic(at)gmail(dot)com> writes:
> while restoring backup i have received these messages
> WARNING: column "id" has type "unknown"
> DETAIL: Proceeding with relation creation anyway.
It's most likely a view with an output column that's an undecorated
string literal.
> I have tried to grep schema-only dump file, but i didn't find word unknown.
> When i have extracted all mentioned ID fields i didn't find any field which
> is not of type integer,smallint or varchar.
> How can i find out which table has that unknown type?
Try something like
select attrelid::regclass, attname from pg_attribute where atttypid = 'unknown'::regtype;
regards, tom lane