All,
In the following query, some of the values are averaged over several
rows, but some are not:
SELECT hostname, volname, qtreename, round(avg(used/allocated*100),0),
round(avg(used)), allocated, available
FROM quota_entries
WHERE date_sub(now(), interval 1 day) < timestamp
GROUP BY qtreename,hostname
My questions:
>From which of the several averaged rows do 'allocated' and 'available'
come in the results?
Can I control this? I would like the row with maximum timestamp.
Thanks,
Bill
+-----------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-----------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | | PRI | NULL | auto_increment |
| hostname | varchar(32) | | | | |
| volname | varchar(32) | | | | |
| qtreename | varchar(32) | | | | |
| allocated | int(10) unsigned | | | 0 | |
| used | int(10) unsigned | | | 0 | |
| available | int(10) unsigned | | | 0 | |
| files | int(10) unsigned | YES | | 0 | |
| timestamp | datetime | YES | MUL | NULL | |
+-----------+------------------+------+-----+---------+----------------+
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