Re: 9.1rc1 regression: EXPLAIN on information_schema.key_column_usage

Marti Raudsepp <marti@juffo.org> writes:
> It seems I have found a regression in PostgreSQL 9.1rc1 (from 9.0).

> In many cases, running the following query fails:
> db=# EXPLAIN select * from information_schema.key_column_usage;
> ERROR:  record type has not been registered

Looks like I overlooked a case in get_name_for_var_field.  Thanks,
will fix.
        regards, tom lane