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List:       postgresql-general
Subject:    Re: [HACKERS] Postgre inner work question
From:       Adrian von Bidder <avbidder () fortytwo ! ch>
Date:       2011-04-13 7:01:30
Message-ID: 201104130901.31612 () fortytwo ! ch
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On Tuesday 12 April 2011 01.02:35 Lucas Cotta wrote:
> Does postgre execute the queries following a execution plan tree, where
> the leafs are table scans, and the nodes are joins?

yes, see the "EXPLAIN" SQL command (EXPLAIN SELECT * FROM ....), it will 
shwo this tree.

http://www.postgresql.org/docs/9.0/static/sql-explain.html

cheers
-- vbi

-- 
The woman you buy -- and she is the least expensive -- takes a great
deal of money.  The woman who gives herself takes all your time.
		-- Balzac

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