33 lines
850 B
SQL
33 lines
850 B
SQL
CREATE TABLE users (
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id INT AUTO_INCREMENT PRIMARY KEY,
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username VARCHAR(100) NOT NULL,
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first_name VARCHAR(100) NOT NULL,
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last_name VARCHAR(100) NOT NULL,
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email VARCHAR(255) NOT NULL UNIQUE,
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unique_key CHAR(25) NOT NULL UNIQUE,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE usersNEW (
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id INT AUTO_INCREMENT PRIMARY KEY,
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username VARCHAR(100) NOT NULL UNIQUE,
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first_name VARCHAR(100) NOT NULL,
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last_name VARCHAR(100) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Trigger zur automatischen Generierung eines 25‑stelligen Keys
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DELIMITER $
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CREATE TRIGGER before_user_insert
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BEFORE INSERT ON users
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FOR EACH ROW
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BEGIN
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SET NEW.unique_key = SUBSTRING(
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REPLACE(UUID(), '-', '')
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-- UUID = 32 Zeichen, wir nehmen 25 davon
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, 1, 25);
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END$
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DELIMITER ;
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