Hi!
On Fri, Jun 13, 2014 at 3:59 AM, yoku ts. yoku0...@gmail.com wrote:
Hi,
Would you try STRAIGHT_JOIN?
mysql56 ALTER TABLE masik DROP KEY idx_test, ADD KEY idx_test(szam, id);
Query OK, 0 rows affected (0.08 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql56 EXPLAIN SELECT e.id FROM
Hi!
I have two tables:
CREATE TABLE `egyik` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`duma` varchar(255) NOT NULL,
PRIMARY KEY (`id`),
KEY `e_idx` (`duma`,`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;
INSERT INTO `egyik` VALUES (1,'aaa'),(2,'bbb');
CREATE TABLE
Hi Lay,
If I don't mistake, you can't eliminate Using temporary and Using
filesort because you are using an order by. Try the explain again
removing order by and check the output.
When you use an order by, MySQL needs to use filesort and spends some time
sorting the result set. Also, create a
|
+--+-+---+--+---+---+-+---+--+--+
2 rows in set (0.00 sec)
But i need to order with column in the second table.
Bye!
Lay
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|
|1 | SIMPLE | m | ref | m_idx | m_idx | 4
| test.e.id |1 | Using index |
+--+-+---+--+---+---+-+---+--+--+
2 rows in set (0.00 sec)
But i need to order with column
