T.R.Missner@Level3.com writes:
> FastPath call returned ERROR: lo_write: invalid large obj descriptor (0)
Usually this indicates that you didn't have the lo_open ... lo_write
... lo_close sequence wrapped in a transaction block (BEGIN/COMMIT
SQL commands). Since it's erratic for you, I'd bet that some of your
application control paths have the BEGIN and some don't.
regards, tom lane