Re: Subquery with range uses filesort
> MySQL is internally structured such that the Parser, Optimizer, and
> a few more parts, are common code. The Engines (MyISAM, InnoDB,
> MEMORY) control the access to disk, etc.
That's what I would have thought. I was a bit confused by your saying
"Never mind -- don't file a bug report. You will get no sympathy since
you are not using InnoDB."
> A _correlated_ subquery cannot be turned directly into a JOIN. This
> is an SQL issue, not a MySQL issue.
Right. I knew that.
> Feel free to file a bug report about the poor performance.
Thank you. I'll do that.
Subject
Views
Written By
Posted
4128
November 16, 2013 02:42PM
1454
November 17, 2013 07:42PM
1468
November 17, 2013 08:01PM
1470
November 18, 2013 04:33PM
2007
November 18, 2013 07:54PM
1692
November 19, 2013 04:10PM
1584
November 19, 2013 08:36PM
1636
November 21, 2013 02:55PM
1842
December 05, 2013 03:46PM
1484
December 07, 2013 02:10PM
1455
December 09, 2013 06:08PM
1555
December 14, 2013 09:51PM
1418
December 14, 2013 10:17PM
1493
December 15, 2013 11:29PM
1557
December 17, 2013 06:58PM
1504
December 18, 2013 05:49PM
1536
December 18, 2013 08:28PM
1570
December 19, 2013 10:13PM
1536
December 19, 2013 10:28PM
1399
December 20, 2013 07:06PM
1488
December 21, 2013 07:36AM
1522
December 22, 2013 10:01AM
Re: Subquery with range uses filesort
1586
December 22, 2013 10:45AM
1484
December 25, 2013 09:30PM