The Hermit Hacker <scrappy(at)hub(dot)org> writes:
> Now, my thought on this is that it *sounds* like the JDBC is
> hitting some sort of control character is the stream that tells it to stop
> sending the image ... is this possible? Some binary character that needs
> to somehow be trapped?
Embedded nulls would be the likely cause of trouble.
If you're seeing OIDs in the database then the actual storage is
presumably in large objects. lo_read and friends are null-safe as far
as I know; probably the problem is somewhere inside the JDBC driver.
regards, tom lane