Re: ALTER TABLE TODO items
scott.marlowe <scott.marlowe@ihs.com>
From: "scott.marlowe" <scott.marlowe@ihs.com>
To: Richard Huxton <dev@archonet.com>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>, Tom Lane <tgl@sss.pgh.pa.us>, Robert Treat <xzilla@users.sourceforge.net>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2004-05-06T15:47:13Z
Lists: pgsql-hackers
On Thu, 6 May 2004, Richard Huxton wrote: > Bruce Momjian wrote: > > Tom Lane wrote: > > > >>Richard Huxton <dev@archonet.com> writes: > >> > >>>Does that mean I'll want to disable triggers while I do this? > >> > >>Hrm. Right now the code does not fire triggers at all, but that seems > >>wrong. However, I doubt that very many triggers could cope with update > >>events in which the old and new rows have different rowtypes :-(. > >>Any thoughts what to do about that? > > > > > > If triggers exist, I think we should just throw a warning that triggers > > will not be fired. > > Tom's point about triggers probably not working after the upgrade is a > good one though. Is it reasonable to just refuse to act on a table until > all triggers are dropped? I'd rather be forced to go through and > drop/restore triggers in a script than be surprised later on. How about "cascade drop triggers" as an option so you can still do it in one line should you want to?