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Re: interesting SQL puzzle - concatenating column with itself. - Mailing list pgsql-sql

From Dmitri Bichko
Subject Re: interesting SQL puzzle - concatenating column with itself.
Date
Msg-id 7A4ADADFC8AFF0478D47F63BEDD57CE3A27953@gpmail.gphq.genpathpharma.com
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In response to interesting SQL puzzle - concatenating column with itself.  (Nick Fankhauser <nickf@ontko.com>)
Responses Re: interesting SQL puzzle - concatenating column with itself.  (PFC <lists@boutiquenumerique.com>)
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> SELECT your_concat( memo_text ) FROM
> (SELECT memo_id, sequence, memo_text FROM table ORDER BY memo_id,
sequence
> OFFSET 0) AS foo
> GROUP BY memo_id

I'm just curious - what's the 'OFFSET 0' for?

Dmitri

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