pg_loopen() open an Inversion Large Object and returns large object resource. The resource encapsulates information about the connection. oid specifies a valid large object oid and mode can be either "r", "w", or "rw". It returns FALSE if there is an error.
| Warning |
Do not close the database connection before closing the large object resource. |
To use the large object (lo) interface, it is necessary to enclose it within a transaction block.
See also pg_loclose() and pg_locreate().