Re: @ versus ~, redux
От
Zeugswetter Andreas DCP SD
Тема
Re: @ versus ~, redux
Дата
Msg-id
E1539E0ED7043848906A8FF995BDA579014DC301@m0143.s-mxs.net
Ответ на
Re: @ versus ~, redux (Tom Lane)
Список
Дерево обсуждения
Re: @ versus ~, redux Andrew - Supernews <andrew+nonews@supernews.com>
Re: @ versus ~, redux Tom Lane <tgl@sss.pgh.pa.us>
Re: @ versus ~, redux Jeff Davis <pgsql@j-davis.com>
Re: @ versus ~, redux Tom Lane <tgl@sss.pgh.pa.us>
Re: @ versus ~, redux Jeff Davis <pgsql@j-davis.com>
Re: @ versus ~, redux "Zeugswetter Andreas DCP SD" <ZeugswetterA@spardat.at>
Re: @ versus ~, redux Bruce Momjian <bruce@momjian.us>
Re: @ versus ~, redux Tom Lane <tgl@sss.pgh.pa.us>
Re: @ versus ~, redux Matteo Beccati <php@beccati.com>
Re: @ versus ~, redux Michael Glaesemann <grzm@seespotcode.net>
Re: @ versus ~, redux Tom Lane <tgl@sss.pgh.pa.us>
> >> The existing geometric containment tests seem to be nonstrict, so if > >> we wanted to leave room to add strict ones later, it might be best to > >> settle on > >> > >> x @>= y x contains or equals y > >> x <=@ y x is contained in or equals y > >> > >> reserving @> and <@ for future strict comparison operators. > > > At first glace, it seems more intuitive to me to do: > > > x @>= y x contains or equals y > > x =<@ y y is contained in or equals y > > Hm, I've never seen anyone spell "less than or equal to" as > "=<", so I'm not sure where you derive "=<@" from? Not > saying "no", but the other seems clearer to me. Yes, but to me too =<@ seems more natural since we started with @> and <@. Tom, your argument would more match your original @> and @<, but then it would imply @>= and @<=, imho. Andreas
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