From: Stephan Szabo <sszabo@megazone.bigpanda.com>
To: Dario Bahena Tapia <dario.mx@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Parentheses in FROM clause and evaluation order.
Date: Mon, 15 Aug 2005 18:48:28 -0700 (PDT)
Message-ID: <20050815183859.U67925@megazone.bigpanda.com> (raw)
In-Reply-To: <3d104d6f05081509345067d83b@mail.gmail.com>
References: <200508110042.j7B0g1TZ015835@panselmo.fciencias.unam.mx>
<20050815065906.K33261@megazone.bigpanda.com>
<3d104d6f05081509345067d83b@mail.gmail.com>
On Mon, 15 Aug 2005, Dario Bahena Tapia wrote:
> The final result seems to be the same, I just was curious about the
> standard behavior. Does the SQl says something about this execution
> order?
I believe SQL defines the order to pay attention to parens, so A join (B
join C) style clauses result in a "table" being derived from B join C and
another from A joined with that table.
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To: pgsql-sql@postgresql.org
Cc: sszabo@megazone.bigpanda.com, dario.mx@gmail.com
Subject: Re: Parentheses in FROM clause and evaluation order.
In-Reply-To: <20050815183859.U67925@megazone.bigpanda.com>
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