#pq\LOB pq\Transaction::openLOB(int $oid[, int $mode = pq\LOB::RW])

Open a large object. See pq\Transaction::createLOB().

Params:#

• int $oid#
  The OID of the large object.
• Optional int $mode# = pq\LOB::RW
  Operational mode; read, write or both.

Returns:#

• pq\LOB, instance of the opened large object.

Throws:#

• pq\Exception\InvalidArgumentException
• pq\Exception\BadMethodCallException
• pq\Exception\RuntimeException