MySQL Forums
Forum List  »  Quality Assurance

group by / order by/ filesort / temporary
Posted by: Miran Cvenkel
Date: November 24, 2011 01:55PM

see this image:

The second query takes like 10-15 times more time to execute.

The workaround is wrapping all into outer select, and order by that.

Any other way ?

Options: ReplyQuote

Written By
group by / order by/ filesort / temporary
November 24, 2011 01:55PM
November 29, 2011 02:53AM

Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.