pg_lo_unlink
Description
bool pg_lo_unlink ( resource connection, int oid)pg_lo_unlink() deletes a large object with the oid. Returns TRUE on success or FALSE on failure.
To use the large object (lo) interface, it is necessary to enclose it within a transaction block.
Note: This function used to be called pg_lo_unlink().
See also pg_lo_create() and pg_lo_import().