Re: Composite Index question

From: DM <dm(dot)aeqa(at)gmail(dot)com>
To: Rob Sargent <robjsargent(at)gmail(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Composite Index question
Date: 2010-10-21 00:02:41
Message-ID: AANLkTinTCkryc0L6TfhxH67-ZPkKFeGPNn5Dwminsv1d@mail.gmail.com
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Its a huge table in production, i dont want to take any risk.

I can simulate and test this but i was to checking to see If any one knows
off hand about this.

I can simulate it but
On Wed, Oct 20, 2010 at 4:57 PM, Rob Sargent <robjsargent(at)gmail(dot)com> wrote:

> Hm. Run some queries; drop the second version of the index definition;
> re-run the same queries; report to the group. The redundant index isn't
> helping, that much is certain.
>
> On 10/20/2010 05:43 PM, DM wrote:
> > Composite Index question:
> >
> > I have composite index on 3 columns on a table, by mistake the composite
> > index was created twice on the table.
> >
> > Will there any performance issues on this table because of the 2 same
> > composite indexes?
> >
> > Thanks
> > Deepak
>
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