Hi guys i have a collection in which i add custom data to. I am then trying to filter the collection by one of the original fields but it doesn't seem to work.

Here is my collection building code:

$collection = $this->getCollection();
    'sales_flat_order.entity_id = main_table.magento_order_entity_id',

foreach($collection->getItems() as $item){
    $status = $this->getState($item->getId());
    $item->addData(array('response_state' => $status));

return $collection;

This builds the collection successfully but when i try to use addFieldToFilter() to the collection it doesn't filter at all.

Here is the filter code:

->addFieldToFilter('is_successful', array('eq' => $value));

Anyone know why and how i can get this to work? Cheers

  • Try using $item->setResponseState($status) and ->addFieldToFilter('is_successful', $value) instead.
    – laketuna
    Jun 27, 2015 at 2:25

1 Answer 1


Where exactly are you trying to use addFieldToFilter, also are you sure you shouldn't use addAttributeToFilter? Finally take a look at the query that is generated doing this.


addAttributeToFilter() is used to filter EAV collections.

addFieldToFilter() is used to filter Non-EAV collections.

Check here for more details: https://magento.stackexchange.com/a/8581/5913

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