Re: Boolean operators without commutators vs. ALL/ANY

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От Peter Eisentraut
Тема Re: Boolean operators without commutators vs. ALL/ANY
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Msg-id 1308199157.30501.1.camel@vanquo.pezone.net
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Ответ на Re: Boolean operators without commutators vs. ALL/ANY  (Florian Pflug <fgp@phlo.org>)
Ответы Re: Boolean operators without commutators vs. ALL/ANY  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On tis, 2011-06-14 at 15:38 +0200, Florian Pflug wrote:
> BTW, there's actually precedent for a commutator of "~", namely
> "@". Some of the geometric types (polygon, box, circle, point,
> path) use "~" as a commutator for "@" (which stands for "contains"). 

I wouldn't have a problem with naming the reverse operator "@".



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