Re: Online index builds

Jeff Davis wrote:
> On Thu, 2006-12-07 at 18:11 -0500, Tom Lane wrote:
> > Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> > > I think all you need to do what you want is something like:
> > > ALTER TABLE foo DROP CONSTRAINT foo_pkey KEEP INDEX;
> >
> > > Because then you could drop the primary key status on a column without
> > > affecting the column or the index, then use my suggested syntax to
> > > switch the primary key status to a different index like so:
> > > ALTER TABLE foo SET PRIMARY KEY INDEX foo_othercolumn_index;
> >
> > That seems like an awful lot of uglification simply to let the index be
> > marked as "primary key" rather than just "unique".
> >
>
> Agreed. It's just a thought.
>
> The reason it came to my mind is because some applications, like Slony,
> use the primary key by default.
>
> After reading through the archives, it looks like Gregory Stark
> suggested a REINDEX CONCURRENTLY, which would certainly solve the
> awkwardness of maintenance on a primary key. I didn't see much
> objection, maybe it's worth consideration for 8.3?

Added to TODO:

* Allow REINDEX CONCURRENTLY

--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +