Colin Strickland <cms(at)sift(dot)co(dot)uk> writes:
> PRIMARY KEY
> (dir_suppliers_var_prodtype_id,dir_suppliers_var_prodtype_id)
> My question is, should this not raise a parser error ?
Yes, it should. SQL92 saith
4) Each <column name> in the <unique column list> shall identify
a column of T, and the same column shall not be identified more
than once.
Looks like we neglect to make that check during initial processing of
the PRIMARY KEY clause.
regards, tom lane