At 17:00 -0600 9/10/04, René Fournier wrote:
I've got a SELECT statement that is returning
the data I want, but not in the right order (and
I don't know why...). Let's say there are two
tables, People and History. Some records in
People have corresponding records in History,
but not all--so I need a LEFT JOIN TO connect
history.people_id to people.id. So far, so good.
But I want to order the list according to the
timestamp column in history (history.time_sec),
and this does not happen: Records are returned,
but not in the right order. Here's my query:
SELECT *
FROM people
LEFT JOIN history ON people.id = history.people_id
GROUP BY people.id
ORDER BY history.time_sec DESC
It seems I can sort correctly on a field in
people, but not on a field in history-is that
because it is a left-joined table?
We might be able to give you an answer if you show some results
and indicate why you believe they are incorrect.
--
Paul DuBois, MySQL Documentation Team
Madison, Wisconsin, USA
MySQL AB, www.mysql.com
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