14 lines
360 B
SQL
14 lines
360 B
SQL
CREATE TABLE users (
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id SERIAL PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password_hash VARCHAR(255) NOT NULL
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);
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CREATE TABLE messages (
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id SERIAL PRIMARY KEY,
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sender_id INT REFERENCES users(id),
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receiver_id INT REFERENCES users(id),
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content TEXT NOT NULL,
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sent_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
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);
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