CREATE TABLE IF NOT EXISTS help_posts (
                                          id INT AUTO_INCREMENT PRIMARY KEY,
                                          author_id INT NOT NULL,
                                          title VARCHAR(255) NOT NULL,
                                          content TEXT NOT NULL,
                                          like_count INT NOT NULL DEFAULT 0,
                                          reply_count INT NOT NULL DEFAULT 0,
                                          create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP()
);


CREATE TABLE IF NOT EXISTS help_comments (
                               id INT AUTO_INCREMENT PRIMARY KEY,
                               post_id INT NOT NULL,
                               author_id INT NOT NULL,
                               content TEXT NOT NULL,
                               like_count INT NOT NULL DEFAULT 0,
                               create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP(),
                               CONSTRAINT fk_help_comments_post FOREIGN KEY (post_id) REFERENCES help_posts(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS seed_posts (
                            id INT AUTO_INCREMENT PRIMARY KEY,
                            author_id INT NOT NULL,
                            title VARCHAR(255) NOT NULL,
                            content TEXT NOT NULL,
                            like_count INT NOT NULL DEFAULT 0,
                            reply_count INT NOT NULL DEFAULT 0,
                            create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP()
);

CREATE TABLE IF NOT EXISTS seed_comments (
                               id INT AUTO_INCREMENT PRIMARY KEY,
                               post_id INT NOT NULL,
                               author_id INT NOT NULL,
                               content TEXT NOT NULL,
                               like_count INT NOT NULL DEFAULT 0,
                               create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP(),
                               CONSTRAINT fk_seed_comments_post FOREIGN KEY (post_id) REFERENCES seed_posts(id) ON DELETE CASCADE
);