Re: PostgreSQL::PLPerl::Call - Simple interface for calling SQL functions from PostgreSQL PL/Perl - Mailing list pgsql-hackers

On Feb 16, 2010, at 3:01 PM, Tom Lane wrote:

> I think the reason the client-side docs recommend using zero is to avoid
> having clients know about the unknown type explicitly (in particular, to
> discourage people from hardwiring "705" into their code).  AFAIR there's
> not a lot of difference in terms of what the parser will do with it.

We should probably get rid of this in DBD::Pg then:
   % perl -MDBD::Pg -E 'say DBD::Pg::PG_UNKNOWN'   705

Best,

David