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DROP TABLE IF EXISTS items;
CREATE TABLE items (
id INT PRIMARY KEY AUTO_INCREMENT NOT NULL,
score1 INT,
score2 INT,
created_at DATETIME,
INDEX (score1, created_at, score2)
) DEFAULT CHARSET=UTF8;
SHOW CREATE TABLE items;
Table Create Table
items CREATE TABLE `items` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`score1` int(11) DEFAULT NULL,
`score2` int(11) DEFAULT NULL,
`created_at` datetime DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `score1` (`score1`,`created_at`,`score2`)
) ENGINE=Mroonga DEFAULT CHARSET=utf8mb3
INSERT INTO items (score1, score2, created_at) VALUES(1, 0, "2015-07-01 00:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(2, 0, "2015-07-01 00:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(3, 0, "2015-07-01 00:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(1, 0, "2015-07-01 12:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(2, 0, "2015-07-01 12:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(3, 0, "2015-07-01 12:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(1, 0, "2015-07-02 00:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(2, 0, "2015-07-02 00:00:00");
INSERT INTO items (score1, score2, created_at) VALUES(3, 0, "2015-07-02 00:00:00");
SELECT *
FROM items
WHERE score1 = 2 AND created_at > "2015-07-01 12:00:00"
ORDER BY created_at DESC;
id score1 score2 created_at
8 2 0 2015-07-02 00:00:00
DROP TABLE items;
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