Re: Patch to add a primary key using an existing index

Peter Eisentraut <peter_e@gmx.net>

From: Peter Eisentraut <peter_e@gmx.net>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Itagaki Takahiro <itagaki.takahiro@gmail.com>, Gurjeet Singh <singh.gurjeet@gmail.com>, Steve Singer <ssinger@ca.afilias.info>, Steve Singer <ssinger_pg@sympatico.ca>, PGSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-12-03T19:23:51Z
Lists: pgsql-hackers
On sön, 2010-11-28 at 20:40 -0500, Robert Haas wrote:
> On Sun, Nov 28, 2010 at 8:06 PM, Itagaki Takahiro
> <itagaki.takahiro@gmail.com> wrote:
> > On Fri, Nov 26, 2010 at 05:58, Steve Singer <ssinger@ca.afilias.info> wrote:
> >> The attached version of the patch gets your regression tests to pass.
> >> I'm going to mark this as ready for a committer.
> >
> > I think we need more discussions about the syntax:
> >  ALTER TABLE table_name ADD PRIMARY KEY (...) WITH (INDEX='index_name')
> 
> Why not:
> 
> ALTER TABLE table_name ADD PRIMARY KEY (...) INDEX index_name;

I would think that that determines that name of the index that the
command creates.  It does not convey that an existing index is to be
used.