[ "type" => "INT", "unsigned" => true, "autoincrement" => true ], "department" => [ "type" => "VARCHAR", "constraint" => '255', ], "pedido_id" => [ "type" => "INT", "constraint" => 16, "unsigned" => true, ] ]; public function up() { $this->forge->dropTable("chat_conversaciones",true); $this->forge->dropTable("chat_mensajes",true); $this->forge->dropTable("chat_participantes",true); $this->forge->addField($this->COLUMNS); $this->forge->addPrimaryKey('id'); $this->forge->addForeignKey('pedido_id', 'pedidos', 'id'); $this->forge->createTable("chats"); } public function down() { // $this->forge->dropTable("chats"); } }