Re: PG V9.6 / REVOKE SELECT columns ON TABLE T1 FROM John

Anthony Nowocien <[email protected]> Fri, 19 Oct 2018 19:27:48 +0200
Newsgroups gmane.comp.db.postgresql.french
Message-ID <CAH5RRoPSAo-z1fmPpU6Ls8V-jwj=uQ+ebjV5jBrREd5Fa0dL=w@mail.gmail.com>
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Hi,
you could have a look at this answer:
https://stackoverflow.com/questions/48317818/revoke-particular-columns-in-p=
ostgresql.
That is, first revoking SELECT privileges on the TABLE, and then GRANTING
the columns you want.
Anthony

PS: French can also be used on this French mailing list :)

On Fri, Oct 19, 2018 at 6:20 PM DECHERF =C3=89tienne <etienne.decherf-ext@a=
php.fr>
wrote:

> Hello,
>
> I 've created a PostgreSQL user "John" with REVOKE SELECT columns from hi=
m.
> but "REVOKE SELECT (ipp , nom_nais , nom , prenom) ON TABLE table1 FROM
> "John";" command doesn't work in my script above :
>
> Here is how I created the user "John":
>
> CREATE ROLE "john";
> REVOKE ALL PRIVILEGES ON DATABASE pgdb FROM "john";
> ALTER ROLE "john" WITH LOGIN;
> ALTER ROLE "john" WITH PASSWORD 'password' VALID UNTIL '2018-12-31';
> GRANT CONNECT ON DATABASE dbpg TO "john";
> GRANT USAGE ON SCHEMA schema1 TO "john";
> ----- forbid access to 4 columns of Table1
> REVOKE SELECT (ipp , nom_nais , nom , prenom) ON TABLE Table1 FROM "John"=
;
>
> Result :
> The 4 columns are still  displayed.
> The "REVOKE SELECT column" doen't work. I manage always to select values
> in the 4 columns.
>
> Can you see why John can still watch the 4 columns ?
> Is a comand missing in this script ?
> Database version is 9.6.
>
> Thanks a lot for your help !
>
> Etienne DECHERF
> DBA
> [email protected]
> +33 6 67462246
>
>
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"fon=
t-family:verdana,sans-serif">Hi,</div><div class=3D"gmail_default" style=3D=
"font-family:verdana,sans-serif">you could have a look at this answer: <a h=
ref=3D"https://stackoverflow.com/questions/48317818/revoke-particular-colum=
ns-in-postgresql">https://stackoverflow.com/questions/48317818/revoke-parti=
cular-columns-in-postgresql</a>. That is, first revoking SELECT privileges =
on the TABLE, and then GRANTING the columns you want.<br></div><div class=
=3D"gmail_default" style=3D"font-family:verdana,sans-serif">Anthony<br></di=
v><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif"><br=
></div><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif=
">PS: French can also be used on this French mailing list :)<br></div></div=
></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Fri, Oct 19, 2018=
 at 6:20 PM DECHERF =C3=89tienne &lt;<a href=3D"mailto:etienne.decherf-ext@=
aphp.fr">[email protected]</a>&gt; wrote:<br></div><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex">




<div>
<div style=3D"direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt=
">Hello,<br>
<br>
I &#39;ve created a PostgreSQL user &quot;John&quot; with REVOKE SELECT col=
umns from him.<br>
but &quot;REVOKE SELECT (ipp , nom_nais , nom , prenom) ON TABLE table1 FRO=
M &quot;John&quot;;&quot; command doesn&#39;t work in my script above :<br>
<br>
Here is how I created the user &quot;John&quot;:<br>
<br>
CREATE ROLE &quot;john&quot;;<br>
REVOKE ALL PRIVILEGES ON DATABASE pgdb FROM &quot;john&quot;;<br>
ALTER ROLE &quot;john&quot; WITH LOGIN;<br>
ALTER ROLE &quot;john&quot; WITH PASSWORD &#39;password&#39; VALID UNTIL &#=
39;2018-12-31&#39;;<br>
GRANT CONNECT ON DATABASE dbpg TO &quot;john&quot;;<br>
GRANT USAGE ON SCHEMA schema1 TO &quot;john&quot;;<br>
<div>----- <span lang=3D"en">forbid access to 4 columns of Table1</span><br=
>
</div>
<div>REVOKE SELECT (ipp , nom_nais , nom , prenom) ON TABLE Table1 FROM &qu=
ot;John&quot;;</div>
<div><br>
</div>
<div>Result :<br>
</div>
<div>The 4 columns are still=C2=A0 displayed.<br>
</div>
<div>The &quot;REVOKE SELECT column&quot; doen&#39;t work. I manage always =
to select values in the 4 columns.</div>
<div style=3D"font-family:Times New Roman;color:#000000;font-size:16px">
<div>
<div style=3D"direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt=
">
<div><br>
</div>
<div>Can you see why John can still watch the 4 columns ?</div>
<div>Is a comand missing in this script ?</div>
<div>Database version is 9.6.<br>
</div>
<div><br>
</div>
<div>Thanks a lot for your help !</div>
<div><br>
</div>
<div>Etienne DECHERF</div>
<div>DBA<br>
</div>
<div><a href=3D"mailto:[email protected]" target=3D"_blank">etien=
[email protected]</a></div>
<div>+33 6 67462246</div>
<div><br>
</div>
<br>
</div>
</div>
</div>
</div>
</div>

</blockquote></div>

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