@@ -79,6 +79,7 @@ SELECT description FROM film WHERE description IN('NEWS','asd') GROUP BY descrip
alter table address add index idx_city_id(city_id);
alter table inventory add index `idx_store_film` (`store_id`,`film_id`);
alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`);
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
advisor.Rule{Item:"DIS.001", Severity:"L1", Summary:"消除不必要的 DISTINCT 条件", Content:"太多DISTINCT条件是复杂的裹脚布式查询的症状。考虑将复杂查询分解成许多简单的查询,并减少DISTINCT条件的数量。如果主键列是列的结果集的一部分,则DISTINCT条件可能没有影响。", Case:"SELECT DISTINCT c.c_id,count(DISTINCT c.c_name),count(DISTINCT c.c_e),count(DISTINCT c.c_n),count(DISTINCT c.c_me),c.c_d FROM (select distinct id, name from B) as e WHERE e.country_id = c.country_id", Position:0, Func:func(*advisor.Query4Audit) advisor.Rule {...}}
@@ -160,9 +160,11 @@ alter table inventory add index `idx_store_film` (`store_id`,`film_id`);
alter table inventory add index `idx_store_film` (`store_id`,`film_id`);
alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`);
alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`);
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`);
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')
[{5 SELECT 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0} {7 , 0} {0 0} {4 COUNT( 0} {1 DISTINCT 0} {7 ( 0} {1 t. 0} {1 usr) 0} {7 ) 0} {0 0} {5 FROM 0} {1 usr_terminal 0} {1 t 0} {5 WHERE 0} {1 t. 0} {1 atm 0} {7 > 0} {0 0} {2 '2018-10-22 00:00:00' 0} {0 0} {6 AND 0} {1 t. 0} {1 agent 0} {1 LIKE 0} {2 '%Chrome%' 0} {0 0} {6 AND 0} {1 t. 0} {1 system 0} {7 = 0} {0 0} {2 'eip' 0} {0 0} {5 GROUP BY 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0} {0 0} {5 ORDER BY 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0}]
SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');
[{5 SELECT 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0} {7 , 0} {0 0} {4 COUNT( 0} {1 DISTINCT 0} {7 ( 0} {1 t. 0} {1 usr) 0} {7 ) 0} {0 0} {5 FROM 0} {1 usr_terminal 0} {1 t 0} {5 WHERE 0} {1 t. 0} {1 atm 0} {7 > 0} {0 0} {2 '2018-10-22 00:00:00' 0} {0 0} {6 AND 0} {1 t. 0} {1 agent 0} {1 LIKE 0} {2 '%Chrome%' 0} {0 0} {6 AND 0} {1 t. 0} {1 system 0} {7 = 0} {0 0} {2 'eip' 0} {0 0} {5 GROUP BY 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0} {0 0} {5 ORDER BY 0} {4 DATE_FORMAT( 0} {1 t. 0} {1 atm, 0} {0 0} {2 '%Y-%m-%d' 0} {7 ) 0} {7 ; 0}]
create table hello.t (id int unsigned);
[{1 create 0} {1 table 0} {1 hello. 0} {1 t 0} {7 ( 0} {1 id 0} {1 int 0} {1 unsigned) 0} {7 ; 0}]
select * from tb where data >= ''
[{5 SELECT 0} {7 * 0} {0 0} {5 FROM 0} {1 tb 0} {5 WHERE 0} {1 data 0} {7 >= 0} {0 0} {2 '' 0}]
"alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`);",
// https://github.com/XiaoMi/soar/issues/47
`SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d')`,
`SELECT DATE_FORMAT(t.atm, '%Y-%m-%d'), COUNT(DISTINCT (t.usr)) FROM usr_terminal t WHERE t.atm > '2018-10-22 00:00:00' AND t.agent LIKE '%Chrome%' AND t.system = 'eip' GROUP BY DATE_FORMAT(t.atm, '%Y-%m-%d') ORDER BY DATE_FORMAT(t.atm, '%Y-%m-%d');`,