-- This file should undo anything in `up.sql`
CREATE TABLE tmp_articles (
id int AUTO_INCREMENT PRIMARY KEY,
title text NOT NULL CHECK (length(title) > 0),
content text NOT NULL,
created_at timestamp NOT NULL DEFAULT current_timestamp
);
INSERT INTO tmp_articles (id, title, content, created_at)
SELECT id, title, content, created_at FROM articles;
DROP TABLE articles;
ALTER TABLE tmp_articles RENAME TO articles;
DROP TABLE persons;