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From: Premsun Choltanwanich <Premsun@nsasia.co.th>
To: Richard Huxton <dev@archonet.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: How to delete Large Object from Database?
Date: Mon, 10 Oct 2005 15:57:53 +0700
Message-ID: <434A8F85.C5F7.004C.0@nsasia.co.th> (raw)
In-Reply-To: <434623FD.7000408@archonet.com>
References: <43465BAA.C5F7.004C.0@nsasia.co.th>
	<434623FD.7000408@archonet.com>

The lib I use is call lo_in and lo_out for manage BLOB.
 
I understand that lo_unlink be related with lo_import and lo_export so I don't think that it work.


>>> Richard Huxton <dev@archonet.com> 07-Oct-05 14:30:05 pm >>>
Premsun Choltanwanich wrote:
> 
> Dear All,
>  
> I use '$libdir/lo' for manage my PostgreSQL Large Object. It work fine 
> for me to get and put Large Object  from and to database. However I 
> found something that may not correct when I try to backup my data. It 
> seem that I cannot delete Large Object from database. It seem the thing 
> I can do is only delete the reference oid from table but Object still in 
> database.

> So,How to delete Large Object from Database? or Is my understanding wrong?

Deleting the OID does not remove the object itself - see details of 
lo_unlink() in Chapter 28 of the manuals.

I seem to recall some other utilities in the contrib/ directory of the 
source distribution too.

-- 
   Richard Huxton
   Archonet Ltd

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