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| 1 | +SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO"; |
| 2 | +SET time_zone = "+00:00"; |
| 3 | + |
| 4 | + |
| 5 | +DELIMITER $$ |
| 6 | + |
| 7 | +CREATE DEFINER=`root`@`localhost` PROCEDURE `generate_due_list`() |
| 8 | + NO SQL |
| 9 | +SELECT I.issue_id, M.email, B.isbn, B.title |
| 10 | +FROM book_issue_log I INNER JOIN member M on I.member = M.username INNER JOIN book B ON I.book_isbn = B.isbn |
| 11 | +WHERE DATEDIFF(CURRENT_DATE, I.due_date) >= 0 AND DATEDIFF(CURRENT_DATE, I.due_date) % 5 = 0 AND (I.last_reminded IS NULL OR DATEDIFF(I.last_reminded, CURRENT_DATE) <> 0)$$ |
| 12 | + |
| 13 | +DELIMITER ; |
| 14 | + |
| 15 | + |
| 16 | +CREATE TABLE IF NOT EXISTS `book` ( |
| 17 | + `isbn` char(13) NOT NULL, |
| 18 | + `title` varchar(80) NOT NULL, |
| 19 | + `author` varchar(80) NOT NULL, |
| 20 | + `category` varchar(80) NOT NULL, |
| 21 | + `price` int(4) unsigned NOT NULL, |
| 22 | + `copies` int(10) unsigned NOT NULL |
| 23 | +) ENGINE=InnoDB DEFAULT CHARSET=latin1; |
| 24 | + |
| 25 | +INSERT INTO `book` (`isbn`, `title`, `author`, `category`, `price`, `copies`) VALUES |
| 26 | +('6900152484440', 'V for Vendetta', 'Alan Moore', 'Comics', 299, 13), |
| 27 | +('9782616052277', 'X-Men: God Loves, Man Kills', 'Chris', 'Comics', 399, 33), |
| 28 | +('9783161484100', 'Mike Tyson : Undisputed Truth', 'Larry Sloman, Mike Tyson', 'Sports', 299, 19), |
| 29 | +('9789996245442', 'When Breath Becomes Air', 'Paul Kalanithi', 'Medical', 515, 9), |
| 30 | +('9885691200700', 'The Great Gatsby', 'F. Scott Fitzgerald', 'Fiction', 420, 20); |
| 31 | + |
| 32 | + |
| 33 | +CREATE TABLE IF NOT EXISTS `book_issue_log` ( |
| 34 | +`issue_id` int(11) NOT NULL, |
| 35 | + `member` varchar(20) NOT NULL, |
| 36 | + `book_isbn` varchar(13) NOT NULL, |
| 37 | + `due_date` date NOT NULL, |
| 38 | + `last_reminded` date DEFAULT NULL |
| 39 | +) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1; |
| 40 | + |
| 41 | +DELIMITER // |
| 42 | +CREATE TRIGGER `issue_book` BEFORE INSERT ON `book_issue_log` |
| 43 | + FOR EACH ROW BEGIN |
| 44 | + SET NEW.due_date = DATE_ADD(CURRENT_DATE, INTERVAL 7 DAY); |
| 45 | + UPDATE member SET balance = balance - (SELECT price FROM book WHERE isbn = NEW.book_isbn) WHERE username = NEW.member; |
| 46 | + UPDATE book SET copies = copies - 1 WHERE isbn = NEW.book_isbn; |
| 47 | + DELETE FROM pending_book_requests WHERE member = NEW.member AND book_isbn = NEW.book_isbn; |
| 48 | +END |
| 49 | +// |
| 50 | +DELIMITER ; |
| 51 | +DELIMITER // |
| 52 | +CREATE TRIGGER `return_book` BEFORE DELETE ON `book_issue_log` |
| 53 | + FOR EACH ROW BEGIN |
| 54 | + UPDATE member SET balance = balance + (SELECT price FROM book WHERE isbn = OLD.book_isbn) WHERE username = OLD.member; |
| 55 | + UPDATE book SET copies = copies + 1 WHERE isbn = OLD.book_isbn; |
| 56 | +END |
| 57 | +// |
| 58 | +DELIMITER ; |
| 59 | + |
| 60 | + |
| 61 | +CREATE TABLE IF NOT EXISTS `librarian` ( |
| 62 | +`id` int(11) NOT NULL, |
| 63 | + `username` varchar(20) NOT NULL, |
| 64 | + `password` char(40) NOT NULL |
| 65 | +) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1; |
| 66 | + |
| 67 | +INSERT INTO `librarian` (`id`, `username`, `password`) VALUES |
| 68 | +(1, 'harry', '93c768d0152f72bc8d5e782c0b585acc35fb0442'); |
| 69 | + |
| 70 | +CREATE TABLE IF NOT EXISTS `member` ( |
| 71 | +`id` int(11) NOT NULL, |
| 72 | + `username` varchar(20) NOT NULL, |
| 73 | + `password` char(40) NOT NULL, |
| 74 | + `name` varchar(80) NOT NULL, |
| 75 | + `email` varchar(80) NOT NULL, |
| 76 | + `balance` int(4) NOT NULL |
| 77 | +) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1; |
| 78 | + |
| 79 | + |
| 80 | +DELIMITER // |
| 81 | +CREATE TRIGGER `add_member` AFTER INSERT ON `member` |
| 82 | + FOR EACH ROW DELETE FROM pending_registrations WHERE username = NEW.username |
| 83 | +// |
| 84 | +DELIMITER ; |
| 85 | +DELIMITER // |
| 86 | +CREATE TRIGGER `remove_member` AFTER DELETE ON `member` |
| 87 | + FOR EACH ROW DELETE FROM pending_book_requests WHERE member = OLD.username |
| 88 | +// |
| 89 | +DELIMITER ; |
| 90 | + |
| 91 | + |
| 92 | +CREATE TABLE IF NOT EXISTS `pending_book_requests` ( |
| 93 | +`request_id` int(11) NOT NULL, |
| 94 | + `member` varchar(20) NOT NULL, |
| 95 | + `book_isbn` varchar(13) NOT NULL, |
| 96 | + `time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP |
| 97 | +) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1; |
| 98 | + |
| 99 | + |
| 100 | + |
| 101 | +CREATE TABLE IF NOT EXISTS `pending_registrations` ( |
| 102 | + `username` varchar(20) NOT NULL, |
| 103 | + `password` char(40) NOT NULL, |
| 104 | + `name` varchar(80) NOT NULL, |
| 105 | + `email` varchar(80) NOT NULL, |
| 106 | + `balance` int(4) NOT NULL, |
| 107 | + `time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP |
| 108 | +) ENGINE=InnoDB DEFAULT CHARSET=latin1; |
| 109 | + |
| 110 | +INSERT INTO `pending_registrations` (`username`, `password`, `name`, `email`, `balance`, `time`) VALUES |
| 111 | +('christine', '9d4e1e23bd5b727046a9e3b4b7db57bd8d6ee684', 'Christine', 'christine400eer@gmail.com', 999, '2021-03-21 08:29:00'), |
| 112 | +('steeve', '5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8', 'Steeve Rogers', 'thisissteeve69@gmail.com', 1500, '2021-03-21 12:14:53'); |
| 113 | + |
| 114 | + |
| 115 | +ALTER TABLE `book` |
| 116 | + ADD PRIMARY KEY (`isbn`); |
| 117 | + |
| 118 | + |
| 119 | +ALTER TABLE `book_issue_log` |
| 120 | + ADD PRIMARY KEY (`issue_id`); |
| 121 | + |
| 122 | +ALTER TABLE `librarian` |
| 123 | + ADD PRIMARY KEY (`id`), ADD UNIQUE KEY `username` (`username`); |
| 124 | + |
| 125 | + |
| 126 | +ALTER TABLE `member` |
| 127 | + ADD PRIMARY KEY (`id`), ADD UNIQUE KEY `username` (`username`), ADD UNIQUE KEY `email` (`email`); |
| 128 | + |
| 129 | +ALTER TABLE `pending_book_requests` |
| 130 | + ADD PRIMARY KEY (`request_id`); |
| 131 | + |
| 132 | + |
| 133 | +ALTER TABLE `pending_registrations` |
| 134 | + ADD PRIMARY KEY (`username`), ADD UNIQUE KEY `email` (`email`); |
| 135 | + |
| 136 | + |
| 137 | +ALTER TABLE `book_issue_log` |
| 138 | +MODIFY `issue_id` int(11) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=3; |
| 139 | + |
| 140 | +ALTER TABLE `librarian` |
| 141 | +MODIFY `id` int(11) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=2; |
| 142 | + |
| 143 | +ALTER TABLE `member` |
| 144 | +MODIFY `id` int(11) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=5; |
| 145 | + |
| 146 | +ALTER TABLE `pending_book_requests` |
| 147 | +MODIFY `request_id` int(11) NOT NULL AUTO_INCREMENT,AUTO_INCREMENT=7; |
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