Re: [HACKERS] What about LIMIT in SELECT ?

From: Terry Mackintosh <terry(at)terrym(dot)com>
To: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
Cc: hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] What about LIMIT in SELECT ?
Date: 1998-10-14 17:33:33
Message-ID: Pine.LNX.3.95.981014132744.14397C-100000@terry1.acun.com
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On Tue, 13 Oct 1998, Bruce Momjian wrote:

> See the fetch manual page.<P>

OK, I will.

> This only prevents all row results from being transfered to the client.

Yes, this is good, but this is only half the problem ...

> The entire query must be evaluated, even if you only want just the first

... this is the other half.

> few rows. Consider a query that has an order by. There is no way
> to return any rows until the entire query is evaluated and sorted.

This is where I was hoping one of you guru types might have some insight,
-- how to stop short a query at X rows, even if it has an order by.

No way?

Terry Mackintosh <terry(at)terrym(dot)com> http://www.terrym.com
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