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# PDO::pgsqlLOBUnlink

(no version information, might be only in CVS)

PDO::pgsqlLOBUnlink -- Deletes the large object

## Description

bool PDO::pgsqlLOBUnlink ( string oid )

Deletes a large object from the database identified by OID.

> Note: This function must be called within a transaction.

## Parameters

oid

  A large object identifier

## Return Values

Returns `TRUE` on success or `FALSE` on failure.

## Examples

Example 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(); ?>`

## See Also

PDO::pgsqlLOBOpen()
PDO::pgsqlLOBCreate()

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