I have created a module which saves some data into the custom tables. Both tables have "created_at" and "updated_at" fields in them. But when I save the data into any if these tables "created_at" field does not set automatically.

Here is my code: Sql script:

->addColumn('created_at', Varien_Db_Ddl_Table::TYPE_TIMESTAMP, null, array(
        'nullable' => true,
    ), 'Created At')
    ->addColumn('updated_at', Varien_Db_Ddl_Table::TYPE_TIMESTAMP, null, array(
        'nullable' => true,
    ), 'Updated At')


class my_Module extends Mage_Core_Model_Abstract
        public function addMyList($customerId, $name)
                    'b2b_customer_id' => $customerId,
                    'name' => $name,

I have looked into other posts but most of them set this "created_at" filed along with the rest of the data in the function. Which is not what exactly I want because I think Magento should handle it itself.

But please let me know if I am thinking wrong or the code is wrong somehow.

1 Answer 1


you can add this method to your main model and you don't care anymore about setting created_at. Every time you call save it will be set automatically.
It also handles updated_at.

protected function _beforeSave() {
    $now = Mage::getSingleton('core/date')->gmtDate();
    if ($this->isObjectNew()){
    return $this;

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