pg_lo_read() reads at most len bytes from a large object and returns it as a string. large_object specifies a valid large object resource and len specifies the maximum allowable size of the large object segment.
pg_lo_read() reads at most len bytes from a large object and returns it as a string. large_object specifies a valid large object resource and len specifies the maximum allowable size of the large object segment. It returns FALSE if there is an error.