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<pg_lo_importpg_lo_read_all>
Last updated: Mon, 16 Jul 2012

pg_lo_open

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_open -- 打开一个大型对象

说明

resource pg_lo_open ( resource connection, int oid, string mode )

pg_lo_open() 打开一个大型对象并返回大型对象资源号。该资源号内封装了连接号。oid 指定了有效的大型对象的 oid,mode 可以为 "r","w" 或者 "rw"。如果失败则返回 FALSE

警告

在关闭大型对象资源之前不要关闭数据库连接。

要使用大型对象(lo)接口,需要将其放置在事务块中。

注: 本函数以前的名字为 pg_loopen()

参见 pg_lo_close()pg_lo_create()




<pg_lo_importpg_lo_read_all>
 Last updated: Mon, 16 Jul 2012
 
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