From: | "Phillip Smith" <phillip(dot)smith(at)weatherbeeta(dot)com(dot)au> |
---|---|
To: | "'Andrej Ricnik-Bay'" <andrej(dot)groups(at)gmail(dot)com>, "'sql pgsql'" <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Extract interdependent info from one table |
Date: | 2008-01-25 04:11:30 |
Message-ID: | 010e01c85f08$5d52e570$9b0014ac@wbaus090 |
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Thread: | |
Lists: | pgsql-sql |
> 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'
)
)
THINK BEFORE YOU PRINT - Save paper if you don't really need to print this
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