>
> I had a bug in one of my queries that wasn't detected by pg because if

> filled in the from clause by itself. Take for example a querie like
>
> select foo.a;
>
> which I guess is transformed to
>
> select foo.a
> from foo;
>
> Is this really a good thing to do? Is it part of the standard? Can it
be
> turned of? In my case it hid a bug and made my query work but produce
the
> wrong result.
>
> Isn't this yet another case of "helpful" parsing that will only hurt
in
> the end? Look at how hard it is to parse html-pages because all
browsers
> accept broken code, but different broken code.
>
> What about an example like this (the transformed code above but with
alias
> x added):
>
> select foo.a
> from foo x;
>
> By adding the alias x the query still workes but gives a different
result.
>
Dennis,
This feature has been addressed many times before.
Please search the archives and refer to Extensions within SELECT doc.
AFAIK it can even be turned off, but don't know how exactly.
As I said, search the archive.
HTH
Regards, Christoph




Wed, 16 Jul 2003 16:06:46 +0200
Christoph Haller <ch@rodos.fzk.de>
Re: FROM clause omitted