Re: Parentheses in FROM clause and evaluation order.

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От Stephan Szabo
Тема Re: Parentheses in FROM clause and evaluation order.
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Msg-id 20050815183859.U67925@megazone.bigpanda.com
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Ответ на Parentheses in FROM clause and evaluation order.  (dario.mx@gmail.com)
Ответы Re: Parentheses in FROM clause and evaluation order.  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
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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