Re: Extract interdependent info from one table

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От Phillip Smith
Тема Re: Extract interdependent info from one table
Дата
Msg-id 010e01c85f08$5d52e570$9b0014ac@wbaus090
обсуждение исходный текст
Ответ на Extract interdependent info from one table  ("Andrej Ricnik-Bay" <andrej.groups@gmail.com>)
Ответы Re: Extract interdependent info from one table  ("Andrej Ricnik-Bay" <andrej.groups@gmail.com>)
Список 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'
ORalias2 = 'Redraft'                       )       )
 


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