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(PHP 4 >= 4.2.0, PHP 5)

pg_lo_unlink -- Delete a large object


bool pg_lo_unlink ( resource connection, int oid )

pg_lo_unlink() deletes a large object with the oid. Vrací TRUE při úspěchu, FALSE při selhání.

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

Poznámka: This function used to be called pg_lounlink().

Seznam parametrů


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().


The OID of the large object in the database.

Návratové hodnoty

Vrací TRUE při úspěchu, FALSE při selhání.


Příklad 1. pg_lo_unlink() example

// 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");