class CreateProfiles < ActiveRecord::Migration[5.2] def change create_table :profiles do |t| t.references :user, index: true, foreign_key: true t.string :display_name, length: 50 t.string :description, length: 200, null: false, default: '' t.string :location, length: 72, null: false, default: '' t.string :website, null: false, default: '' t.string :motivation_header, null: false, default: '' t.timestamps end transaction do execute 'INSERT INTO profiles (user_id, display_name, description, location, website, motivation_header, created_at, updated_at) SELECT users.id as user_id, users.display_name, users.bio as description, users.location, users.website, users.motivation_header, users.created_at, users.updated_at FROM users;' remove_column :users, :display_name remove_column :users, :bio remove_column :users, :location remove_column :users, :website remove_column :users, :motivation_header end end end