1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
--disable_warnings
drop table if exists t1;
--enable_warnings
SET @tmp_ust= @@use_stat_tables;
SET @tmp_oucs= @@optimizer_use_condition_selectivity;
SET use_stat_tables = PREFERABLY;
SET optimizer_use_condition_selectivity = 2;
CREATE TABLE t1 (
code CHAR(2),
name VARCHAR(32),
population INT,
house_seats TINYINT,
PRIMARY KEY(code),
KEY (house_seats)
) ENGINE=TokuDB;
INSERT INTO t1 VALUES ('AL','Alabama',4833722,7),('AK','Alaska',735132,1);
ANALYZE TABLE t1;
ALTER TABLE t1 ADD KEY (name(4),house_seats);
SELECT * FROM t1 WHERE
population BETWEEN 1000000 AND 2000000
AND name LIKE 'New %'
AND house_seats IN (1, 2, 3)
AND code IN ('NJ', 'NM');
drop table t1;
SET use_stat_tables = @tmp_ust;
SET optimizer_use_condition_selectivity = @tmp_oucs;
|
