simulating row ownership - Mailing list pgsql-sql

From Rick Schumeyer
Subject simulating row ownership
Date
Msg-id 001901c4f4d9$395726f0$0200a8c0@dell8200
Whole thread Raw
Responses Re: simulating row ownership  (Michael Fuhr <mike@fuhr.org>)
Re: simulating row ownership  (Ron Peterson <rpeterso@mtholyoke.edu>)
List pgsql-sql
<div class="Section1"><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">I have a table where I want everyone to be able to be able to insert and select.</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">But they should only be able to update and delete rows that they “own”.  The table</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">has a column indicating the owner.</span></font><p class="MsoNormal"><font face="Arial"
size="2"><spanstyle="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">What is the best way to accomplish this?  I’m not real familiar with rules, but it
seems</span></font><pclass="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">that I can do this with rules for update and delete applied to the table.  Someone</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">had suggesting using views, but since I can’t update a view in postgres, I’m</span></font><p
class="MsoNormal"><fontface="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">not sure that views help here.</span></font><p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">I assume if I use rules, then I need to grant all to public, and let the rules
prevent</span></font><pclass="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt; 
font-family:Arial">users from updating the wrong rows?</span></font><p class="MsoNormal"><font face="Arial"
size="2"><spanstyle="font-size:10.0pt; 
font-family:Arial"> </span></font><p class="MsoNormal"><font face="Arial" size="2"><span style="font-size:10.0pt;
font-family:Arial">Any advice is appreciated.</span></font><p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial"> </span></font></div>

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