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Re: Boolean operators without commutators vs. ALL/ANY - Mailing list pgsql-hackers

From Stephen J. Butler
Subject Re: Boolean operators without commutators vs. ALL/ANY
Date
Msg-id BANLkTinc+D64qc9rdAxMR1K=0v-MpF1Uig@mail.gmail.com
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In response to Boolean operators without commutators vs. ALL/ANY  (Florian Pflug <fgp@phlo.org>)
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On Sun, Jun 12, 2011 at 6:46 AM, Florian Pflug <fgp@phlo.org> wrote:
> (B) There should be a way to use ANY()/ALL() with the
> array elements becoming the left arguments of the operator.

FWIW, in case people were unaware, this is getting close to Perl 6
junctions/superpositions. See:
<http://dev.perl.org/perl6/doc/design/exe/E06.html> "The Wonderful
World of Junctions". Beyond "any" and "all" they propose "one" and
"none".

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