此查询运行时间太长... 412.2163秒
我们拥有具有不同属性的表，并且配置文件持有者可以在tbl_starcast_profile列中以逗号分隔的ID具有一个或多个此类ID（即属性），并且在配置文件表和用户表以及属性表上执行搜索FIND_IN_SET
请检查查询...让我知道此查询是否可以进一步优化。
tbl_starcast_profile结构 - 样本
column type
profile_id int(11)
user_id int(11)
..
language_ids text
accents_ids text
singing_style_ids text
现在，这些language_ids，accent_ids列的值类似于＆＃34; 12,34,56＆＃34; （这些是相应表格的ID）
tbl_starcast_users结构 - 样本
column type
user_id int(11)
performer_types varchar(150)
..
favourite_user_ids text
tbl_starcast_performer_types表 - 示例
performer_type_id performer_type_name performer_type_display_name performer_type_description date_added date_modified
1 actor Actor actor 2015-12-28 18:05:05 2016-03-21 21:41:05
2 model Model model 2015-12-28 18:05:05 2016-02-12 17:57:30
3 vo_Artiste Voice Over Artist vo_Artiste 2015-12-28 18:05:15 2016-02-12 17:59:02
4 comedian Comedian comedian 2015-12-28 18:05:15 2016-02-12 17:57:09
5 presenter Presenter presenter 2015-12-28 18:05:27 2016-02-12 17:58:54
6 dancer_movement Dancer dancer_movement 2015-12-28 18:06:13 2016-02-12 17:57:17
提前致谢
SELECT p. * , group_concat( DISTINCT l.skill_name ) AS languages, concat( u.first_name, ' ', u.last_name ) AS full_name,
u.favourite_user_ids
FROM (SELECT * , group_concat( DISTINCT CONCAT( language_ids, ',', music_ids, ',', dance_ids, ',', performance_ids, ',', presenting_ids, ',', sports_ids, ',', vehicle_licences_ids, ',', other_skills_ids )
SEPARATOR ',' ) AS superset_skills FROM tbl_starcast_profile GROUP BY profile_id) p,
tbl_starcast_users u,
tbl_starcast_performer_types per,
tbl_starcast_skills l,
tbl_starcast_unique_characteristics uniq,
tbl_starcast_awards awrd
WHERE u.profile_id = p.profile_id
AND p.user_id = u.user_id
AND (u.performer_types REGEXP '(^|,)(4)(,|$)'AND (find_in_set( per.performer_type_id, u.performer_types ) >0) )
AND (find_in_set( l.skill_id, concat( p.language_ids, p.music_ids, p.dance_ids, p.performance_ids, p.presenting_ids, p.sports_ids, p.vehicle_licences_ids, p.other_skills_ids ) ) >0 )
GROUP BY p.profile_id;