pg_lo_unlink
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_lo_unlink — 刪除一個大型對像
說明
pg_lo_unlink(resource
$connection
, int $oid
): bool
pg_lo_unlink() 刪除由 oid
指定的大型對象。成功時返回 true
, 或者在失敗時返回 false
。
要使用大型對像(lo)介面,需要將其放置在事務塊中。
注意:
本函式以前的名字為
pg_lo_unlink()
。
參數
-
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.
返回值
成功時返回 true
, 或者在失敗時返回 false
。
範例
示例 #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");
?>