Re: [GENERAL] large object import

> ------------ Původní zpráva ------------
> Od: Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>
> Předmět: Re: [GENERAL] large object import
> Datum: 10.3.2008 08:44:30
> ----------------------------------------
> > postgre(at)seznam(dot)cz wrote:
> > I am having a stored function in plperlU which is called from
> > php script then. It select data from a table, export them to
> > a file and zips the file. The problem is that it should store
> > this file into temporary table. Then it should return some
> > identificator to php, so that the user can download it via
> > php. Problem is that postgreSQL doesn't supports server-side
> > large object operations for non superuser roles.
>
> PostgreSQL supports server-side large object operations for non-superusers.
>
> Functions that access the file system are restricted to superusers.
>
> > Can someone please give me a suggestion how can I solve this
> > problem. I mean if I can import the file some other way or if
> > there are some other usual procedures how to do this?
>
> You can create a function with SECURITY DEFINER that is owned
> by a superuser. That way you can make certain restricted functionality
> available to regular users. You should be careful and as restrictive
> as possible when writing such functions.
>
> Yours,
> Laurenz Albe
>
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>

Hi,
thank you very much, this helped a lot. It works fine.

Lukas Houf