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No: implied sort with group by

From: Zeugswetter Andreas DBT <Andreas(dot)Zeugswetter(at)telecom(dot)at>
To: "'pgsql-hackers(at)hub(dot)org'" <pgsql-hackers(at)hub(dot)org>
Subject: No: implied sort with group by
Date: 1998-01-27 10:13:24
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
> Does the SQL standard say anything about an implied sort when
> grouping or is it up to the user to include an ORDER BY clause?
> darrenk

Without order by the result set is never guaranteed to be ordered in a
specific way (standard speak). The order is dependent on the chosen
query path, which
changes from query to query.


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