class CreatePosts < ActiveRecord::Migration[7.0] def change create_table :posts do |t| t.string :url, limit: 2000, null: false t.string :thumbnail, limit: 255, null: false t.string :thumbnail_base, limit: 2000, null: false t.references :parent, foreign_key: { to_table: :posts } t.references :uploaded_user, foreign_key: { to_table: :users } t.timestamps end end end