> It sounds to me like you've failed to make sure that the field is
> initialized properly when a pg_attribute row is dynamically created.
> Let's see... did you fix the static FormData_pg_attribute rows near
> the top of heap.c? Does TupleDescInitEntry() know about initializing
> the field? (I wonder why it doesn't memset() the whole row to zero
> anyway...)
OK I'll look at them.
> pg_attribute is very possibly the most ticklish system catalog
> to add a column to. I'd suggest looking through every single use of
> some other pg_attribute column, perhaps attstattarget or attnotnull,
> to make sure you're initializing attisdropped everywhere it should be.
OK, I'm on the case.
Chris