pg_lo_import
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
pg_lo_import — 將檔案匯入為大型對像
說明
pg_lo_import() creates a new large object in the database using a file on the filesystem as its data source.
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_loimport()。
參數
-
connection -
PostgreSQL database connection resource. When
connectionis not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect(). -
pathname -
變數指明了要匯入為大型對象的檔名。
-
object_id -
If an
object_idis given the function will try to create a large object with this id, else a free object id is assigned by the server. The parameter was added in PHP 5.3 and relies on functionality that first appeared in PostgreSQL 8.1.
返回值
匯入成功則返回新建的大型對象的 OID,如果出錯則返回 false。
範例
示例 #1 pg_lo_import() 例子
<?php
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$oid = pg_lo_import($database, '/tmp/lob.dat');
pg_query($database, "commit");
?>