Re: Regression test fails when BLCKSZ is 1kB

On Apr 21, 2008, at 7:25 AM, Peter Eisentraut wrote:

> Am Montag, 21. April 2008 schrieb Zdenek Kotala:
>> I compiled postgreSQL with 1kB block size and regresion test  
>> fails. Main
>> problem is that output is correct but in different order. See  
>> attachment.
>
> This was previously reported:
> http://archives.postgresql.org/pgsql-hackers/2006-11/msg00901.php
>
>> I think affected test should contain order by keyword.
>
> For previously established reasons, we don't want to add ORDER BY  
> clauses to
> every test that might fail under exceptional circumstances so we  
> test all
> plan types equally.  I think very small block sizes are fairly  
> exceptional,
> unless you have a reason up your sleeve why they are a good idea.

What if we used the OFFSET 0 trick to force the ordering to occur  
outside of what we're testing? IE:

SELECT * FROM (query we're testing OFFSET 0) ORDER BY blah;
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