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44 lines
1.2 KiB
44 lines
1.2 KiB
7 months ago
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-- Пользователи
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CREATE TABLE users (
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user_id SERIAL PRIMARY KEY,
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username VARCHAR(255) UNIQUE NOT NULL,
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email VARCHAR(255) UNIQUE NOT NULL,
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password VARCHAR(255) NOT NULL,
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full_name VARCHAR(255),
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date_joined TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Посты
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CREATE TABLE posts (
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post_id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(user_id),
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content TEXT NOT NULL,
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post_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Комментарии
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CREATE TABLE comments (
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comment_id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(user_id),
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post_id INT REFERENCES posts(post_id),
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content TEXT NOT NULL,
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comment_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Лайки
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CREATE TABLE likes (
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like_id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(user_id),
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post_id INT REFERENCES posts(post_id),
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comment_id INT REFERENCES comments(comment_id),
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like_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Друзья
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CREATE TABLE friends (
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friendship_id SERIAL PRIMARY KEY,
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user1_id INT REFERENCES users(user_id),
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user2_id INT REFERENCES users(user_id),
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friendship_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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