class CreateClas < ActiveRecord::Migration[5.2] def change create_table :clas do |t| t.string :name, null:false t.string :key, null:false t.text :content t.integer :organization_id, null:false t.boolean :pr_need, default: false t.integer :count, default: 0 t.timestamps end add_index :clas, :key, :length =>190 add_index :clas, :organization_id end end