Re: [HACKERS] Re: [GENERAL] Re: [PHP3] Re: PostgreSQL vs Mysql comparison

> > My opinion on this tends to be that, in the HAVING case, we are the only
> > one that doesn't support it w/o aggregates, so we altho we do follow the
> > spec, we are making it slightly more difficult to migrate from 'the
> > others' to us...
> 
> We follow the spec in what we support, but the spec *does* allow
> HAVING w/o aggregates (and w/o any GROUP BY clause).
> 
> Tom, imho we absolutely should *not* emit warnings for unusual but
> legal constructs. Our chapter on "syntax" can start addressing these
> kinds of topics, but the backend probably isn't the place to teach SQL
> style...
> 

OK.  Agreed.

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