Re: [HACKERS] Wishlist for next version: group by clause

>
>
> I didn't realize PG could not do
>
>     group by [function on column]
>
> Ouch!
>
> I *think* all the "real" RDBMS can do this.  If Oracle and
> Sybase both support it, that makes it more or less a de facto
> standard :-) I'm sure we use this syntax in several places in
> our apps -- certainly in our time-series analysis package.
> Implication is that 6.3 is still not functional enough to
> replace an existing commercial SQL server such as Oracle or
> Sybase for production apps, without expensive manual proofing
> and rewriting of embedded SQL statements.
>
> Does anyone know whether this group by syntax is ANSI SQL92?

Added to TODO.  Vadim may have a comment on this, and how hard it is to
do.  I know we allow functional indexes, but am not sure how that
relates to this problem.


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