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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bill Moran <wmoran@potentialtech.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: On the performance of views
Date: Mon, 26 Jan 2004 11:43:37 -0500
Message-ID: <8197.1075135417@sss.pgh.pa.us> (raw)
In-Reply-To: <40152FF2.8000007@potentialtech.com>
References: <40152FF2.8000007@potentialtech.com>

Bill Moran <wmoran@potentialtech.com> writes:
> At first I was going to just convert all MSSQL procedures to Postgres functions.
> But now that I'm looking at it, a lot of them may be candidates for views.  A
> lot of them take on the format of:

> SELECT a.cola, b.colb, c.colc
> FROM a JOIN b JOIN c
> WHERE a.prikey=$1

You'd probably be better off using views, if making that significant a
notational change is feasible for you.  Functions that return multiple
columns are notationally messy in Postgres.  A view-based solution would
be more flexible and likely have better performance.

			regards, tom lane



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