Re: Select, but returning binary data. - Mailing list pgsql-novice

"M. Bastin" <marcbastin@mindspring.com> writes:
> I can't figure out how to issue a select statement that will return
> binary data instead of textual data.  (pgSQL backend message "B"
> instead of "D".)

You can't; the only operation that produces B messages is a FETCH
from a binary cursor.

This will be improved on in 7.4, btw.

> I'm also having some trouble finding documentation about "function
> calls", and what their use is.

Very little --- I'd call the feature obsolete myself.  You might
as well just do "SELECT foo(...)".

            regards, tom lane