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CREATE TABLE IF NOT EXISTS users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) UNIQUE NOT NULL,
email VARCHAR(255) UNIQUE NOT NULL,
password_hash VARCHAR(255) NOT NULL,
is_verified BOOLEAN DEFAULT FALSE,
verification_token VARCHAR(64),
reset_token VARCHAR(64),
reset_token_expires DATETIME,
notify_comments BOOLEAN DEFAULT TRUE,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS posts (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
image_path VARCHAR(255) NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);
CREATE TABLE IF NOT EXISTS likes (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
post_id INT NOT NULL,
UNIQUE KEY unique_like (user_id, post_id),
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE
);
-- Tracks actions per IP for rate limiting (e.g. failed logins, password resets).
-- Old rows are cleaned up on each check so the table doesn't grow unbounded.
CREATE TABLE IF NOT EXISTS rate_limits (
id INT AUTO_INCREMENT PRIMARY KEY,
ip VARCHAR(45) NOT NULL,
action VARCHAR(30) NOT NULL,
attempted_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_rate_limits_lookup (ip, action, attempted_at)
);
CREATE TABLE IF NOT EXISTS comments (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT NOT NULL,
post_id INT NOT NULL,
content TEXT NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE
);
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