From: Wei Weng <wweng@kencast.com>
To: pgsql-sql@postgresql.org
Subject: How do you write this query?
Date: 31 Oct 2002 13:21:25 -0500
Message-ID: <1036088486.13986.19.camel@Monet> (raw)
I have a table
Table "test"
Column | Type | Modifiers
--------+------------------------+----------
data | integer | not null
data1 | character varying(128) | not null
data2 | character varying(128) | not null
(Note: data is NOT the primary key.)
And
select * from test
returns
data | data1 | data2
------+-------+-------
1 | foo | bar
2 | greg | bar
3 | pooh | bar
4 | dah | peng
I need a query that returns me the "data1" that satisfies the logic of
the following pseudo code:
1: select data2 into @out from test where data1 = 'pooh'
2: select data1 from test where data2 = @out and data = 3
What do I do?
Thanks!
--
Wei Weng
Network Software Engineer
KenCast Inc.
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To: pgsql-sql@postgresql.org
Cc: wweng@kencast.com
Subject: Re: How do you write this query?
In-Reply-To: <1036088486.13986.19.camel@Monet>
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