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DROP TABLE IF EXISTS diaries;
CREATE TABLE diaries (
id INT PRIMARY KEY AUTO_INCREMENT,
date TIMESTAMP NOT NULL,
title VARCHAR(100) NOT NULL,
content TEXT NOT NULL,
UNIQUE INDEX (date, title)
) DEFAULT CHARSET=UTF8 COMMENT='ENGINE "MyISAM"';
SHOW CREATE TABLE diaries;
Table Create Table
diaries CREATE TABLE `diaries` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`date` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`title` varchar(100) NOT NULL,
`content` text NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `date` (`date`,`title`)
) ENGINE=Mroonga DEFAULT CHARSET=utf8mb3 COMMENT='ENGINE "MyISAM"'
INSERT INTO diaries (date, title, content)
VALUES ("2012-03-04", "cloudy day", "Today is cloudy day...");
INSERT INTO diaries (date, title, content)
VALUES ("2012-03-04", "shopping", "I buy a new shirt.");
INSERT INTO diaries (date, title, content)
VALUES ("2012-03-05", "rainy day", "Today is rainy day...");
SELECT * FROM diaries;
id date title content
1 2012-03-04 00:00:00 cloudy day Today is cloudy day...
2 2012-03-04 00:00:00 shopping I buy a new shirt.
3 2012-03-05 00:00:00 rainy day Today is rainy day...
INSERT INTO diaries (date, title, content)
VALUES ("2012-03-04", "shopping", "I buy new shoes.")
ON DUPLICATE KEY UPDATE date = "2012-03-03",
content = "I buy a new hat.";
SELECT * FROM diaries;
id date title content
1 2012-03-04 00:00:00 cloudy day Today is cloudy day...
2 2012-03-03 00:00:00 shopping I buy a new hat.
3 2012-03-05 00:00:00 rainy day Today is rainy day...
DROP TABLE diaries;
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