"Chuck Handshy" <chuck.handshy@gcinet.net> writes:
> When you pass a oid to the lo_open it doesn't seem to be able to accept
> it and cause and error to be generated in the log file: ERROR:
> lo_lseek: invalid large obj descriptor (0) <- Note descriptor (0), I
> passed 16832 to it as the oid.
Descriptor 0 is fine.
I suspect you have forgotten to establish a transaction block
(begin/end) around the LO operations. The descriptor returned by
lo_open is only good for the duration of the transaction block.
regards, tom lane