PDO::pgsqlLOBUnlink
(no version information, might be only in CVS)
PDO::pgsqlLOBUnlink -- Deletes the large object
Leírás
bool
PDO::pgsqlLOBUnlink ( string oid )
Deletes a large object from the database identified by OID.
Megjegyzés:
This function must be called within a transaction.
Paraméterek
- oid
A large object identifier
Visszatérési értékek
Siker esetén TRUE értékkel tér vissza,
ellenkező esetben FALSE értéket ad.
Példák
Példa 1. A PDO::pgsqlLOBUnlink() example
This example unlinks a large object from the database prior to deleting
the row that references it from the blobs table we've been using in
our PDO::pgsqlLOBCreate() and
PDO::pgsqlLOBOpen() examples.
<?php $db = new PDO('pgsql:dbname=test host=localhost', $user, $pass); $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $db->beginTransaction(); $db->pgsqlLOBUnlink($oid); $stmt = $db->prepare("DELETE FROM BLOBS where ident = ?"); $stmt->execute(array($some_id)); $db->commit(); ?>
|
|
Lásd még
PDO::pgsqlLOBOpen() |
PDO::pgsqlLOBCreate() |