From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Reducing some DDL Locks to ShareLock |
Date: | 2008-11-09 19:37:41 |
Message-ID: | 1226259461.27904.266.camel@ebony.2ndQuadrant |
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Thread: | |
Lists: | pgsql-hackers |
On Sun, 2008-11-09 at 13:58 -0500, Tom Lane wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> > On Tue, 2008-10-07 at 11:15 -0400, Tom Lane wrote:
> >> Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> >>> 2. Also need to decide whether we want pg_class.reltriggers as int2 (as
> >>> implemented here) or switch to relhastriggers as boolean.
> >>
> >> I'd go for changing the column name/type. Yeah, you will break any
> >> clients that are still trying to manipulate reltriggers directly, but
> >> better to break them obviously than non-obviously. And I think a silent
> >> change in the column semantics has significant risk of the latter.
>
> > New version with column type change.
>
> I'm starting to review this now. It strikes me that while we are at it,
> we should get rid of the useless pg_class columns relukeys, relfkeys,
> and relrefs. These haven't been maintained since Berkeley days, and
> this patch puts the final kibosh on any thought that we'd ever start
> to maintain relukeys and relfkeys counts.
>
> Any objections?
None here.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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