Created
November 20, 2012 17:57
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MySQL Crash Explain
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mysql> SHOW CREATE TABLE install_tracking_results \G; | |
*************************** 1. row *************************** | |
Table: install_tracking_results | |
Create Table: CREATE TABLE `install_tracking_results` ( | |
`game_id` int(11) NOT NULL, | |
`segment_id` varchar(255) NOT NULL, | |
`target_game_id` int(11) NOT NULL, | |
`source` varchar(255) NOT NULL, | |
`category` varchar(255) NOT NULL, | |
`time` varchar(255) NOT NULL, | |
`value` bigint(20) NOT NULL DEFAULT '0', | |
UNIQUE KEY `install_tracking_results_unique` (`game_id`,`segment_id`,`target_game_id`,`category`,`time`,`source`) | |
) ENGINE=InnoDB DEFAULT CHARSET=utf8 | |
1 row in set (0.00 sec) | |
mysql> EXPLAIN SELECT `install_tracking_results`.* FROM `install_tracking_results` WHERE `install_tracking_results`.`game_id` IN (1, 2, 3) AND `install_tracking_results`.`target_game_id` = 2 AND `install_tracking_results`.`segment_id` = 'default_segment' AND `install_tracking_results`.`category` = 'clickthru' AND `install_tracking_results`.`source` IN ('test') AND (`install_tracking_results`.`time` BETWEEN 'D-2012-10-10' AND 'D-2012-10-11'); | |
ERROR 2006 (HY000): MySQL server has gone away | |
No connection. Trying to reconnect... | |
Connection id: 1 | |
Current database: VirtualGoods | |
ERROR 2013 (HY000): Lost connection to MySQL server during query | |
mysql> SHOW TABLE STATUS LIKE 'install_tracking_results'; | |
+--------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+ | |
| Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time | Update_time | Check_time | Collation | Checksum | Create_options | Comment | | |
+--------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+ | |
| install_tracking_results | InnoDB | 10 | Compact | 0 | 0 | 16384 | 0 | 0 | 15728640 | NULL | 2012-11-20 16:23:26 | NULL | NULL | utf8_general_ci | NULL | | | | |
+--------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------+ | |
1 row in set (0.00 sec) |
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