From: Andreas Kretschmer <andreas@a-kretschmer.de>
To: "Brice André" <brice@famille-andre.be>
To: pgsql-sql@postgresql.org
Subject: Re: Problem with DROP ROLE
Date: Wed, 19 Oct 2011 13:32:32 +0200 (CEST)
Message-ID: <682203673.92.1319023952704.JavaMail.open-xchange@oxweb01.ims-firmen.de> (raw)
In-Reply-To: <CAOBG12mCa-07QW==228ieiosV_TKWK8wAowAhW+kXSkyVkfY9Q@mail.gmail.com>
References: <CAOBG12mCa-07QW==228ieiosV_TKWK8wAowAhW+kXSkyVkfY9Q@mail.gmail.com>
You can't do that in THAT way, but you can use dynamic SQL:
test=# select * from drop_role ;
t
--------
foobar
(1 row)
test=*# do $$ declare r text; begin for r in select t from drop_role loop
execute 'drop role ' || quote_ident(r) || ';'; end loop; end; $$language
plpgsql;
DO
"Brice André" <brice@famille-andre.be> hat am 19. Oktober 2011 um 12:11
geschrieben:
> Hello everyone,
>
> I would want to implement an SQL query where I would be able to suppress all
> information from a registered user. I am currenlty able to suppress everything
> except the user role. The name of the role is present in a table and so, I
> would want to perform something like this :
> DROP ROLE (SELECT ...)
> but this is not considered as valid, as DROP ROLE is expecting a name and not
> a text field. So, I tried the following, but with no success :
> DROP ROLE CAST((SELECT...) AS name)
>
> So, does someone knows how to handle this problem ?
>
> Regards,
> Brice
>
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To: pgsql-sql@postgresql.org
Cc: andreas@a-kretschmer.de, brice@famille-andre.be
Subject: Re: Problem with DROP ROLE
In-Reply-To: <682203673.92.1319023952704.JavaMail.open-xchange@oxweb01.ims-firmen.de>
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