Re: Deleting loid from the database

Michael Fuhr <mike@fuhr.org>

From: Michael Fuhr <mike@fuhr.org>
To: "Md.Abdul Aziz" <aziz@students.iiit.net>
Cc: postgres hackers <pgsql-hackers@postgresql.org>
Date: 2006-03-04T07:20:47Z
Lists: pgsql-hackers
On Sat, Mar 04, 2006 at 12:08:52PM +0530, Md.Abdul Aziz wrote:
> 	I am a presently working on a module which enhances postgre to 
> store audio files,while storing the aduido file in the databese i used 
> liod,now the problem is i am able to unlink but still the data is 
> present in the postgre database.can some one suggest me how to delete (not 
> unlink) large objects from the postgre databse.

"VACUUM FULL pg_largeobject" might be what you're looking for, but
if you're going to reload the data then an ordinary VACUUM (without
FULL) will free the space for re-use by PostgreSQL without shrinking
the file (unless the table has no live tuples, in which case the
file size will be zeroed).

-- 
Michael Fuhr