<?php

use PDO;

return function (PDO $pdo): void {
    $pdo->exec(<<<SQL
        CREATE TABLE attachments (
            id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
            comment_id INT UNSIGNED NOT NULL,
            filename VARCHAR(255) NOT NULL,
            path VARCHAR(255) NOT NULL,
            size INT UNSIGNED NOT NULL,
            mime VARCHAR(255) NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            CONSTRAINT fk_attachments_comment FOREIGN KEY (comment_id) REFERENCES comments(id) ON DELETE CASCADE
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
    SQL);
};