pg_lo_unlink

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_unlink — Delete a large object

Description

bool pg_lo_unlink ( resource $connection , int $oid )

pg_lo_unlink() deletes a large object with the oid. Returns TRUE on success or FALSE on failure.

To use the large object interface, it is necessary to enclose it within a transaction block.

Note:

This function used to be called pg_lounlink().

Parameters

connection

PostgreSQL database connection resource. When connection is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

oid

The OID of the large object in the database.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 pg_lo_unlink() example

<?php
   // OID of the large object to delete
   $doc_oid = 189762345;
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   pg_lo_unlink($database, $doc_oid);
   pg_query($database, "commit");
?>

See Also

• pg_lo_create() - Create a large object
• pg_lo_import() - Import a large object from file