Re: Is it necessary to rewrite table while increasing the scale of datatype numeric?

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Jim Nasby <jim(at)nasby(dot)net>
Cc: Noah Misch <noah(at)leadboat(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, wangshuo(at)highgo(dot)com(dot)cn, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Is it necessary to rewrite table while increasing the scale of datatype numeric?
Date: 2013-09-06 20:44:54
Message-ID: 20130906204454.GA6068@eldon.alvh.no-ip.org
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Jim Nasby escribió:

> I also have a vague memory of some features that would benefit from
> being able to have typemod info available at a tuple level in a table,
> not just for the entire table. Unfortunately I can't remember why we
> wanted that... (Alvaro, do you recall? I'm pretty sure it's something
> we'd discussed at some point.)

I don't remember anything concrete either. Maybe it was the E.164 type
stuff, where we wanted auxiliary info to dictate what kind of pattern to
{match on input, apply on output} ?

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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