From: Phillip Smith <phillip.smith@weatherbeeta.com.au>
To: 'Andrej Ricnik-Bay' <andrej.groups@gmail.com>
To: 'sql pgsql' <pgsql-sql@postgresql.org>
Subject: Re: Extract interdependent info from one table
Date: Fri, 25 Jan 2008 15:11:30 +1100
Message-ID: <010e01c85f08$5d52e570$9b0014ac@wbaus090> (raw)
In-Reply-To: <b35603930801241932j30499965i3d75229beb24e13e@mail.gmail.com>
> docnum | alias1 | alias2 | subclass_alias
> --------+--------+---------+----------------
> 653219 | 3587 | Redraft | Reply
> (1 row)
>
> What I'd really like is to BOTH Post AND reply, with the alias2 for both.
> Hope this was as clear as mud? :)
Absolutely clear as mud :P
I think this might be what you're after
SELECT
docnum,
alias1,
alias2,
subclass_alias
FROM
docmaster
WHERE
subclass_alias = 'Inquiry'
AND alias1 IN
(
SELECT
alias1
FROM
docmaster
WHERE
subclass_alias = 'Reply'
AND
(
alias2 = 'Pending'
OR alias2 = 'Redraft'
)
)
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To: pgsql-sql@postgresql.org
Cc: phillip.smith@weatherbeeta.com.au, andrej.groups@gmail.com
Subject: Re: Extract interdependent info from one table
In-Reply-To: <010e01c85f08$5d52e570$9b0014ac@wbaus090>
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