Re: Ambiguous error message - Mailing list pgsql-sql

From Samuel Tardieu
Subject Re: Ambiguous error message
Date
Msg-id 2004-01-03-01-56-19+trackit+sam@rfc1149.net
Whole thread Raw
In response to Re: Ambiguous error message  (Samuel Tardieu <sam@rfc1149.net>)
List pgsql-sql
On  3/01, Samuel Tardieu wrote:

| On  2/01, Michael Glaesemann wrote:
| 
| | I'm not quite sure what you want the query to return, but you've got a 
| | problem with your parentheses.
| 
| I can't believe this :) I got hit by the "inner query needs to be aliased"
| message and added it to the wrong place and them munged the query a lot.
| 
| The correct one was of course:
| # select texten, total from (select protocolid, count(*) as total from ips
|   where catid=1 group by protocolid order by protocolid) as c
|   inner join protocols using (protocolid);

(with the "order by" part moved at the end of the query to avoid losing the
order during the inner join)
 Sam



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