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Re: Changing the default value of an inherited column

From: "Oliver Elphick" <olly(at)lfix(dot)co(dot)uk>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Changing the default value of an inherited column
Date: 2001-03-29 13:27:03
Message-ID: 200103291327.f2TDR4324597@linda.lfix.co.uk (view raw or flat)
Thread:
Lists: pgsql-hackers
Tom Lane wrote:
  >I just had a discussion with a user who doesn't want to update from
  >6.4.something to 7.0.* because 7.0 broke a feature he likes, namely
  >the ability to change the default value of a column inherited from
  >a parent table.  It seems that in pre-7.0 Postgres, this works:
  >
  >create table one(id int default 1, descr text);
  >create table two(id int default 2, tag text) inherits (one);
  >
  >with the net effect that table "two" has just one "id" column with
  >default value 2.
 ...
  >The question of the day: should we put this back the way it was?
  >If so, should we try to squeeze it into 7.1, or wait another release
  >cycle?  (I can see about equally good arguments for considering this
  >a feature addition or a bug fix...)  Should there be a NOTICE about
  >the duplicated column name, or is the old silent treatment okay?
 
I would very much like to have this feature restored; I think there should
be a NOTICE, just in case the duplication is caused by mistyping.

-- 
Oliver Elphick                                Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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