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List:       postgresql-general
Subject:    [HACKERS] Bad error message
From:       Decibel! <decibel () decibel ! org>
Date:       2008-09-30 21:37:48
Message-ID: 4F0F56A2-8AB0-4121-BE42-1636691CE391 () decibel ! org
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 From -HEAD:

ERROR:  aggregates not allowed in WHERE clause
STATEMENT:  SELECT *
                 FROM loans l
                 WHERE id IN (   SELECT max(l.id)
                                     FROM loans
                                         JOIN customers c ON c.id =  
l.customer_id
                                         JOIN people p ON p.id =  
c.person_id
                                     WHERE p.first_name = 'Test person'
                                     GROUP BY l.loan_type_cd
                             )
         ;

The real issue is this:

ERROR:  missing FROM-clause entry for table "l" at character 132
STATEMENT:  SELECT max(l.id)
                                             FROM loans
                                                 JOIN customers c ON  
c.id = l.customer_id
                                                 JOIN people p ON  
p.id = c.person_id
                                             WHERE p.first_name =  
'Test person'
                                             GROUP BY l.loan_type_cd;

And if I change the FROM loans to be FROM loans l, the original  
select does work fine.

Let me know if I need to create a full test case for this...
-- 
Decibel!, aka Jim C. Nasby, Database Architect  decibel@decibel.org
Give your computer some brain candy! www.distributed.net Team #1828



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