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rm #13

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Sep 18, 2021
Merged

rm #13

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18 changes: 9 additions & 9 deletions sql/1_schema.sql
Original file line number Diff line number Diff line change
Expand Up @@ -30,16 +30,16 @@ CREATE TABLE `courses`
`teacher_id` CHAR(26) NOT NULL,
`keywords` TEXT NOT NULL,
`status` ENUM ('registration', 'in-progress', 'closed') NOT NULL DEFAULT 'registration',
CONSTRAINT FK_courses_teacher_id FOREIGN KEY (`teacher_id`) REFERENCES `users` (`id`)
INDEX courses_teacher_id (`teacher_id`)
);

CREATE TABLE `registrations`
(
`course_id` CHAR(26),
`user_id` CHAR(26),
PRIMARY KEY (`course_id`, `user_id`),
CONSTRAINT FK_registrations_course_id FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`),
CONSTRAINT FK_registrations_user_id FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
INDEX registrations_course_id (`course_id`),
INDEX registrations_user_id (`user_id`)
);

CREATE TABLE `classes`
Expand All @@ -51,7 +51,7 @@ CREATE TABLE `classes`
`description` TEXT NOT NULL,
`submission_closed` TINYINT(1) NOT NULL DEFAULT false,
UNIQUE KEY `idx_classes_course_id_part` (`course_id`, `part`),
CONSTRAINT FK_classes_course_id FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`)
INDEX classes_course_id (`course_id`)
);

CREATE TABLE `submissions`
Expand All @@ -61,8 +61,8 @@ CREATE TABLE `submissions`
`file_name` VARCHAR(255) NOT NULL,
`score` TINYINT UNSIGNED,
PRIMARY KEY (`user_id`, `class_id`),
CONSTRAINT FK_submissions_user_id FOREIGN KEY (`user_id`) REFERENCES `users` (`id`),
CONSTRAINT FK_submissions_class_id FOREIGN KEY (`class_id`) REFERENCES `classes` (`id`)
INDEX submissions_user_id (`user_id`),
INDEX submissions_class_id (`class_id`)
);

CREATE TABLE `announcements`
Expand All @@ -71,7 +71,7 @@ CREATE TABLE `announcements`
`course_id` CHAR(26) NOT NULL,
`title` VARCHAR(255) NOT NULL,
`message` TEXT NOT NULL,
CONSTRAINT FK_announcements_course_id FOREIGN KEY (`course_id`) REFERENCES `courses` (`id`)
INDEX announcements_course_id (`course_id`)
);

CREATE TABLE `unread_announcements`
Expand All @@ -80,6 +80,6 @@ CREATE TABLE `unread_announcements`
`user_id` CHAR(26) NOT NULL,
`is_deleted` TINYINT(1) NOT NULL DEFAULT false,
PRIMARY KEY (`user_id`, `announcement_id`),
CONSTRAINT FK_unread_announcements_announcement_id FOREIGN KEY (`announcement_id`) REFERENCES `announcements` (`id`),
CONSTRAINT FK_unread_announcements_user_id FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
INDEX FK_unread_announcements_announcement_id (`announcement_id`),
INDEX FK_unread_announcements_user_id (`user_id`)
);