Horton

Re: Greatest Common Divisor

Chapman Flack <chap@anastigmatix.net>

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From: Chapman Flack <chap@anastigmatix.net>
To: Alvaro Herrera <alvherre@2ndquadrant.com>, Merlin Moncure <mmoncure@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Dean Rasheed <dean.a.rasheed@gmail.com>, Vik Fearing <vik.fearing@2ndquadrant.com>, Fabien COELHO <coelho@cri.ensmp.fr>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2020-01-03T21:14:22Z
Lists: pgsql-hackers 
On 1/3/20 4:10 PM, Alvaro Herrera wrote:

> Maybe a very simple solution is indeed to have a separate pg_math or
> pg_extra or whatever, which by default is *last* in the search_path.
> That would make a user's gcd() be chosen preferently, if one exists.

I'm liking the direction this is going.

Regards,
-Chap

Commits

  1. Add functions gcd() and lcm() for integer and numeric types.