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CREATE PROCEDURE populate_t1()
BEGIN
DECLARE i int DEFAULT 1;
START TRANSACTION;
WHILE (i <= 1000000) DO
INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
SET i = i + 1;
END WHILE;
COMMIT;
END|
CREATE TABLE t1(
class INT,
id INT,
title VARCHAR(100)
) ENGINE=InnoDB;
SELECT COUNT(*) FROM t1;
COUNT(*)
1000000
SET GLOBAL innodb_stats_persistent_sample_pages=2000;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
DROP TABLE t1;
DROP PROCEDURE populate_t1;
SET GLOBAL innodb_stats_persistent_sample_pages=default;
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