From: Henshall, Stuart - WCP <SHenshall@westcountrypublications.co.uk>
To: Wei Weng <wweng@kencast.com>
To: pgsql-sql@postgresql.org
Subject: Re: question on JOIN and WHERE clause
Date: Fri, 31 May 2002 09:50:23 +0100
Message-ID: <E2870D8CE1CCD311BAF50008C71EDE8E01F748CA@MAIL_EXCHANGE> (raw)
I believe it pushes any clauses it can into the individual sub-plans, and
anything it can't it leaves above the join.
- Stuart
> -----Original Message-----
> From: Wei Weng [mailto:wweng@kencast.com]
> Sent: 30 May 2002 18:07
> To: pgsql-sql@postgresql.org
> Subject: question on JOIN and WHERE clause
>
>
> Does the SQL optimizer process the JOIN first then add WHERE
> constraintson it or it processes the WHERE clause and JOIN at the same
> time?
>
> Thanks!
>
>
>
> --
> Wei Weng
> Network Software Engineer
> KenCast Inc.
>
>
>
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To: pgsql-sql@postgresql.org
Cc: SHenshall@westcountrypublications.co.uk, wweng@kencast.com
Subject: Re: question on JOIN and WHERE clause
In-Reply-To: <E2870D8CE1CCD311BAF50008C71EDE8E01F748CA@MAIL_EXCHANGE>
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