Re: restoring large objects

From: "Marion McKelvie" <marion(at)streamlet(dot)co(dot)uk>
To: <pgsql-admin(at)postgresql(dot)org>
Subject: Re: restoring large objects
Date: 2004-04-07 07:43:50
Message-ID: MPEMKONPODHGLICHEKEGCEJDCOAA.marion@streamlet.co.uk
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Good idea but I'm not sure if the application will then handle the changed
column type correctly. I'll give it a go and let you know...

-----Original Message-----
From: pgsql-admin-owner(at)postgresql(dot)org
[mailto:pgsql-admin-owner(at)postgresql(dot)org]On Behalf Of Tom Lane
Sent: 07 April 2004 07:08
To: Marion McKelvie
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] restoring large objects

"Marion McKelvie" <marion(at)streamlet(dot)co(dot)uk> writes:
> Many thanks - you're right, the references are stored (by the application
> using the database) in a column of type text.

Yuck :-(. A possible solution is to dump the schema and data separately
(schema in a plain text dump, data in an -Fc or -Ft dump since plain
text doesn't support dumping LOs). Then manually edit the schema file
to change the column data type to "oid". Then load. I honestly am not
sure that this will work cleanly, but it's worth trying --- and if it
doesn't work, please let me know where it goes wrong.

regards, tom lane

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