PHP. Руководство по PHP. 2005
pg_lo_unlink
pg_lo_unlink
Описание
bool pg_lo_unlink (resource connection, int oid)pg_lo_unlink() deletes a large object with the oid. Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
To use the large object interface, it is necessary to enclose it within a transaction block.
Замечание: This function used to be called pg_lounlink().