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To: Rajesh Kumar Mallah <mallah@trade-india.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: analyse question.. 
In-reply-to: <200304171351.19189.mallah@trade-india.com> 
References: <200304171351.19189.mallah@trade-india.com>
Comments: In-reply-to Rajesh Kumar Mallah <mallah@trade-india.com>
	message dated "Thu, 17 Apr 2003 13:51:19 +0530"
Date: Thu, 17 Apr 2003 10:17:31 -0400
Message-ID: <10379.1050589051@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Rajesh Kumar Mallah <mallah@trade-india.com> writes:
> Do we need to analyze a table after indexing ?

No.

> we observed that an already analyzed table had to be
> re-analyzed after index creation for index usage .

I think you must have made a mistake.  Creating an index doesn't
touch pg_statistic.

			regards, tom lane