"Matthias Nagl" <[EMAIL PROTECTED]> schrieb am 20.08.03 23:09:03: 
Hello,  
  
is ist possible to write a function that alters the group of a given user like the 
following should do in my  
opinion (I'd like to use it in a rule):  
  
CREATE FUNCTION set_group (text, integer) RETURNS text AS '  
        ALTER GROUP userlevel1 DROP USER $1; ALTER GROUP userlevel2 DROP USER $1; 
ALTER GROUP  
userlevel3 DROP USER $1;  
        ALTER GROUP userlevel4 DROP USER $1; ALTER GROUP userlevel5 DROP USER $1;  
        CASE $2  
                WHEN 5 THEN  
                        (ALTER GROUP userlevel5 ADD USER $1)  
                WHEN 4 THEN  
                        (ALTER GROUP userlevel5 ADD USER $1; ALTER GROUP userlevel4 
ADD USER $1;)  
                [...]  
        END;  
        SELECT '';  
' LANGUAGE 'SQL';  
  
I don't understand why this function ist refused by postgresql with an parse error at 
the first $1 as ist every  
other method I tryed to get postgres making an "alter group" with a variable. I'd be 
very happy if someone  
could help...  
  
yours  
  
Matthias Nagl  
 
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