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
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drop table if exists t1;
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;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
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');
code name population house_seats
drop table t1;
SET use_stat_tables = @tmp_ust;
SET optimizer_use_condition_selectivity = @tmp_oucs;
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