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-   -   Error in database caused by product (https://vborg.vbsupport.ru/showthread.php?t=317857)

greigeh 03-19-2015 03:34 PM

Error in database caused by product
 
I was recently suspended by my web host as one of my plugins was causing an overloading mySQL, due to the following part:

HTML Code:

mysql> use DATABASENAME
Database changed
mysql> explain SELECT DISTINCT `live_dbtech_thanks_entry`.*, `live_user`.`username`, `live_user`.`displaygroupid` FROM `live_dbtech_thanks_entry` JOIN `live_user` ON (`live_user`.`userid` = `live_dbtech_thanks_entry`.`userid`) WHERE `contentid` = '2132714' ;
+----+-------------+--------------------------+--------+----------------+---------+---------+----------------------------------------------+--------+------------------------------+
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+--------------------------+--------+----------------+---------+---------+----------------------------------------------+--------+------------------------------+
| 1 | SIMPLE | live_dbtech_thanks_entry | ALL | entryid,userid | NULL | NULL | NULL | 726933 | Using where; Using temporary |
| 1 | SIMPLE | live_user | eq_ref | PRIMARY | PRIMARY | 4 | wukohi_forum.live_dbtech_thanks_entry.userid | 1 | |
+----+-------------+--------------------------+--------+----------------+---------+---------+----------------------------------------------+--------+------------------------------+
2 rows in set (0.00 sec)

Is there anyone who would be able to explain what this actually means? I'm not really wise when it comes to mySQL and that sort of side to the forum

kh99 03-19-2015 03:42 PM

I'm not a db expert but it looks like a very inefficient query. It looks like it has to do a dbtech thanks product, so you should probably ask in that thread or on their site.


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