void
pq\LOB::__construct(pq\Transaction $txn[, int
$oid = pq\LOB::INVALID_OID[, int
$mode = pq\LOB::RW]])Open or create a large object. See pq\Transaction::openLOB() and pq\Transaction::createLOB().
int
$oid# = pq\LOB::INVALID_OIDint
$mode# = pq\LOB::RW