gistfile1.txt

    #File: app/code/core/Mage/Core/Model/Resource/Db/Abstract.php
    public function forsedSave(Mage_Core_Model_Abstract $object)
    {
        $this->_beforeSave($object);
        $bind = $this->_prepareDataForSave($object);
        $adapter = $this->_getWriteAdapter();
        // update
        if (!is_null($object->getId()) && $this->_isPkAutoIncrement) {
            unset($bind[$this->getIdFieldName()]);
            $condition = $adapter->quoteInto($this->getIdFieldName().'=?', $object->getId());
            $adapter->update($this->getMainTable(), $bind, $condition);
        } else {
            $adapter->insertOnDuplicate($this->getMainTable(), $bind, $this->_fieldsForUpdate);
            $object->setId($adapter->lastInsertId($this->getMainTable()));
        }

        $this->_afterSave($object);

        return $this;
    }