Re: Bug with view definition?

From: Richard Huxton <dev(at)archonet(dot)com>
To: Sebastian Böck <sebastianboeck(at)freenet(dot)de>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Bug with view definition?
Date: 2005-06-08 16:11:59
Message-ID: 42A718CF.30608@archonet.com
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Sebastian Böck wrote:
> Richard Huxton wrote:
>
>> Sebastian Böck wrote:
>>
>>> Hello all,
>>>
>>> why is the last definition of a view not working, although the
>>> documentation says all three are equal?
>>>
>>
>>
>>> CREATE OR REPLACE VIEW not_working AS
>>> SELECT one.*
>>> FROM one.one, two.two
>>> JOIN join1 ON join1.id = one.id;
>>
>>
>>
>> I think it's trying to join "two" to "join1" - try
>> ...FROM two.two, one.one
>> JOIN join1...
>
>
> Sure, but the problem still exists if you want to join with table one
> and table two.

Sorry - hadn't read the initial post carefully enough, and didn't see
the unconstrained join on one,two. Since "JOIN" has a high precedence
you'll want to force the issue with a subselect:

SELECT *
FROM (
SELECT one.* FROM one.one, two.two
) AS dummy
JOIN join1 ON join1.id = dummy.id

--
Richard Huxton
Archonet Ltd

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