mirror of
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25 lines
770 B
SQL
25 lines
770 B
SQL
CREATE TABLE IF NOT EXISTS `tracker_user_settings` (
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`tracker_id` INT NOT NULL,
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`user_id` INT NOT NULL,
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`active_milestone` INT DEFAULT NULL,
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PRIMARY KEY (`tracker_id`, `user_id`),
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FOREIGN KEY (`tracker_id`)
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REFERENCES `trackers` (`id`)
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ON UPDATE CASCADE
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ON DELETE CASCADE,
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FOREIGN KEY (`user_id`)
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REFERENCES `users` (`id`)
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ON UPDATE CASCADE
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ON DELETE CASCADE,
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FOREIGN KEY (`active_milestone`)
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REFERENCES `milestones` (`id`)
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ON UPDATE CASCADE
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ON DELETE SET NULL,
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FOREIGN KEY (`active_milestone`, `tracker_id`) # Ensures the milestone-tracker pair is always valid.
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REFERENCES `milestones` (`id`, `tracker_id`)
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ON UPDATE NO ACTION
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ON DELETE NO ACTION
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) ENGINE = InnoDB
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DEFAULT CHARSET = utf8mb4
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COLLATE utf8mb4_general_ci
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