Hi, select max(plus) from (select max(t1.c1) plus from t1 join (Select * from t1) z) z; +-----------+ | max(plus) | +-----------+ | 235 | +-----------+ 1 row in set (0.00 sec) On Tue, Jun 23, 2015 at 6:21 AM, Justin Swanhart <greenlion@gmail.com> wrote:
Hi,
You can't use a temp table more than once in a query.
If you could not use table more than once you could not do self join, or variety of other things: select * from a A1 join a A2 on A1.child_id A2.id;
--Justin
On Tue, Jun 23, 2015 at 12:17 AM, Benoit Panizzon <benoit.panizzon@imp.ch> wrote:
Hi Kristian
Maybe try something like this (untested):
SELECT * FROM (SELECT mail_out_anon+mail_out_auth ss, timeslice FROM domaincounters WHERE domain_id=19 ORDER BY timeslice desc LIMIT 24) tmp ORDER BY ss DESC LIMIT 1;
Thank you, that is the solution I was looking for.
Justin, you cannot have a subquery on the same table within your query. My previous attempt was to return the ID's of the last 24 timeslices in a subquery and then MAX() them. But MariaDB prevents this kind of query.
Mit freundlichen Grüssen
Benoit Panizzon -- I m p r o W a r e A G - ______________________________________________________
Zurlindenstrasse 29 Tel +41 61 826 93 07 CH-4133 Pratteln Fax +41 61 826 93 02 Schweiz Web http://www.imp.ch ______________________________________________________
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