From 6ca99c372a66f2176a23ca9b41e458b280ab94a6 Mon Sep 17 00:00:00 2001
From: Tony Yang <t510599@gmail.com>
Date: Thu, 10 Oct 2019 21:28:24 +0800
Subject: [PATCH] Create cavern.sql

---
 cavern.sql | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 cavern.sql

diff --git a/cavern.sql b/cavern.sql
new file mode 100644
index 0000000..41af54c
--- /dev/null
+++ b/cavern.sql
@@ -0,0 +1,104 @@
+SET NAMES utf8;
+SET time_zone = '+08:00';
+SET foreign_key_checks = 0;
+SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
+
+SET NAMES utf8mb4;
+
+DROP TABLE IF EXISTS `comment`;
+CREATE TABLE `comment` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+  `pid` int(11) unsigned NOT NULL,
+  `content` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  `username` varchar(30) COLLATE utf8_unicode_ci NOT NULL,
+  `time` datetime NOT NULL,
+  `modified` datetime DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `pid` (`pid`),
+  KEY `username` (`username`),
+  CONSTRAINT `comment_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `post` (`pid`) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT `comment_ibfk_3` FOREIGN KEY (`username`) REFERENCES `user` (`username`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
+
+
+DELIMITER ;;
+
+CREATE TRIGGER `comment_add` AFTER INSERT ON `comment` FOR EACH ROW
+BEGIN
+UPDATE `post` SET `comment` = `comment` +1 WHERE `pid` = NEW.pid;
+END;;
+
+CREATE TRIGGER `comment_del` AFTER DELETE ON `comment` FOR EACH ROW
+BEGIN
+UPDATE `post` SET `comment` = `comment` -1 WHERE `pid` = OLD.pid;
+END;;
+
+DELIMITER ;
+
+DROP TABLE IF EXISTS `like`;
+CREATE TABLE `like` (
+  `username` varchar(30) COLLATE utf8_unicode_ci NOT NULL,
+  `pid` int(11) unsigned NOT NULL,
+  KEY `pid` (`pid`),
+  KEY `username` (`username`),
+  CONSTRAINT `like_ibfk_1` FOREIGN KEY (`pid`) REFERENCES `post` (`pid`) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT `like_ibfk_2` FOREIGN KEY (`username`) REFERENCES `user` (`username`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
+
+
+DELIMITER ;;
+
+CREATE TRIGGER `like_add` AFTER INSERT ON `like` FOR EACH ROW
+BEGIN
+UPDATE `post` SET `like` = `like` +1 WHERE `pid` = NEW.pid;
+END;;
+
+CREATE TRIGGER `like_del` AFTER DELETE ON `like` FOR EACH ROW
+BEGIN
+UPDATE `post` SET `like` = `like` -1 WHERE `pid` = OLD.pid;
+END;;
+
+DELIMITER ;
+
+DROP TABLE IF EXISTS `notification`;
+CREATE TABLE `notification` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+  `username` varchar(30) COLLATE utf8_unicode_ci NOT NULL,
+  `message` text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  `type` varchar(30) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  `time` datetime NOT NULL,
+  `read` tinyint(1) NOT NULL DEFAULT '0',
+  `url` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `username` (`username`),
+  CONSTRAINT `notification_ibfk_1` FOREIGN KEY (`username`) REFERENCES `user` (`username`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
+
+
+DROP TABLE IF EXISTS `post`;
+CREATE TABLE `post` (
+  `pid` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `title` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `content` longtext COLLATE utf8mb4_unicode_ci NOT NULL,
+  `time` datetime NOT NULL,
+  `username` varchar(30) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
+  `like` int(11) unsigned NOT NULL DEFAULT '0',
+  `comment` int(11) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`pid`),
+  KEY `username` (`username`),
+  CONSTRAINT `post_ibfk_1` FOREIGN KEY (`username`) REFERENCES `user` (`username`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+
+DROP TABLE IF EXISTS `user`;
+CREATE TABLE `user` (
+  `email` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
+  `muted` tinyint(1) NOT NULL DEFAULT '0',
+  `level` tinyint(1) NOT NULL DEFAULT '0',
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `username` varchar(30) COLLATE utf8_unicode_ci NOT NULL,
+  `pwd` varchar(128) COLLATE utf8_unicode_ci NOT NULL,
+  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `username` (`username`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;