/** @var $table Varien_Db_Ddl_Table */
$table->addColumn( 'id',Varien_Db_Ddl_Table::TYPE_INTEGER,null,array(
    'auto_increment' => true,'unsigned' => true,'nullable' => false,'primary' => true,),'ID' );

而不是“auto_increment”,也可以使用关键字“identity”.@H_502_3@