Re: ANY/SOME/ALL with noncommutable operators

On Thu, Jun 19, 2008 at 11:31:02AM +0200, Peter Eisentraut wrote:
> I can do
>
> 'abc' LIKE ANY (ARRAY['a%','b%'])
>
> but not
>
> ANY (ARRAY['abc', 'def']) LIKE '%a'
>
> This seems to be a failing in the SQL standard. You can work around
> this by creating your own operators, but maybe there should be a
> general solution, as there are a lot of noncommutable operators and
> this example doesn't seem all that unuseful in practice.
>
> Comments?

It's been proposed several times before, at least once by Yours Truly,
without objections. I seem to recall it's a SMOP.

Cheers,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
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