Re: problem with fe/be protocol and large objects

Eric Marsden <emarsden@mail.dotcom.fr> writes:
> lo_open returns 0 as a file descriptor. However, following up with one
> of the other lo functions which take descriptor arguments (such as
> lo_write or lo_tell) fails with

>    ERROR:  lo_tell: invalid large object descriptor (0)

Are you remembering to wrap this sequence in a transaction block
(begin/end)?  LO descriptors are only valid till end of transaction.

			regards, tom lane