On Mon, Dec 5, 2011 at 2:47 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Peter Eisentraut <pete...@gmx.net> writes: >> To clarify, I believe the rule is that the first variable-length field >> can be accessed as a struct field. Are there any exceptions to this? > > If it is known not null, yes, but I wonder just how many places actually > depend on that. It might be better to remove all varlena fields from C > visibility and require use of the accessor functions. We should at > least look into what that would cost us.
My impression is that all the varlena fields also allow nulls. So I think there's no point in trying to keep the first one C-accessible. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers