Re: Creating index does not make any change in query plan.

From: Deepa <kdeepa(at)midascomm(dot)com>
To: Shridhar Daithankar <shridhar_daithankar(at)persistent(dot)co(dot)in>
Cc: <pgsql-general(at)postgresql(dot)org>
Subject: Re: Creating index does not make any change in query plan.
Date: 2003-02-17 10:00:18
Message-ID: Pine.LNX.4.33.0302171529390.10556-100000@ws1154.midascomm.com
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On Mon, 17 Feb 2003, Shridhar Daithankar wrote:

Sorry its not exactly 4 bytes, its greate than 4 bytes.

> On 17 Feb 2003 at 15:14, Deepa wrote:
>
> > On Mon, 17 Feb 2003, Shridhar Daithankar wrote:
> >
> > > when you say id=2, it uses default int type which is smallint, AFAIK. So
> > > smallint != bigint and hence planner does not consider using index.
> >
> > But even when a number that has a value of 4 bytes is set in the where
> > condition, the planner is not uses indexed scan. In this case how come
> > this will take the number as small int. Is their any other reason for
> > that.
>
> 4 bytes != bigint.
>
> Bye
> Shridhar
>
> --
> wok, n.: Something to thwow at a wabbit.
>
>
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--

Bye,
Deepa. K

--
Engineer,
Network Management System,
Midas Communication Technologies private Ltd,
Chennai.

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