min,max aggregate functions

From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: min,max aggregate functions
Date: 2002-02-27 17:44:15
Message-ID: Pine.GSO.4.44.0202272041040.7901-100000@ra.sai.msu.su
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Tom,

AFAIK, it's required to write min(),max() aggregate functions for
user-defined types even if compare function is already defined for
this type. Is't possible to get these functions working for
such user-defined types automatically ?

Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83

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