24 lines
776 B
SQL
24 lines
776 B
SQL
CREATE TABLE IF NOT EXISTS `teams` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`name` VARCHAR(255) NOT NULL UNIQUE
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);
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CREATE TABLE IF NOT EXISTS `tournaments` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`name` VARCHAR(255) NOT NULL,
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`start_date` DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS `matches` (
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`id` INT AUTO_INCREMENT PRIMARY KEY,
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`tournament_id` INT NOT NULL,
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`round` INT NOT NULL,
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`team1_id` INT,
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`team2_id` INT,
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`winner_id` INT,
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FOREIGN KEY (`tournament_id`) REFERENCES `tournaments`(`id`) ON DELETE CASCADE,
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FOREIGN KEY (`team1_id`) REFERENCES `teams`(`id`) ON DELETE SET NULL,
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FOREIGN KEY (`team2_id`) REFERENCES `teams`(`id`) ON DELETE SET NULL,
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FOREIGN KEY (`winner_id`) REFERENCES `teams`(`id`) ON DELETE SET NULL
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);
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