Re: Ambiguous error message

On Fri, Jan 02, 2004 at 05:49:46PM +0100, Samuel Tardieu wrote:
>
> select texten, total
> from (select protocolid, count(*) as total) from ips where catid=1
^
+--- There
> group by protocolid order by protocolid) as c
> inner join protocols using (protocolid);
>
> gives the error message:
>
> ERROR: subquery in FROM must have an alias
> HINT: For example, FROM (SELECT ...) [AS] foo.
>
> Why isn't the "as c" considered as an alias?

That's maybe due to the highlighted spurious parenthesis.

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