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CREATE TABLE `category` (
`id` tinyint(3) UNSIGNED NOT NULL AUTO_INCREMENT,
`time_insert` datetime NOT NULL,
`time_update` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`parent` tinyint(3) UNSIGNED DEFAULT NULL,
`slug` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,
`name` varchar(100) NOT NULL,
`body` text NOT NULL,
`argv` varchar(250) DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `time_insert` (`time_insert`),
UNIQUE KEY `slug` (`slug`),
KEY `category_parent` (`parent`),
FULLTEXT KEY `search` (`name`, `body`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
ALTER TABLE `post` ADD `category` tinyint(3) UNSIGNED DEFAULT NULL AFTER `user`,
ADD KEY `post_category` (`category`);
ALTER TABLE `category` ADD CONSTRAINT `category_parent` FOREIGN KEY (`parent`)
REFERENCES `category` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;
ALTER TABLE `post` ADD CONSTRAINT `post_category` FOREIGN KEY (`category`)
REFERENCES `category` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;
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