Get users who has bought this product (MAGENTO)

Question

Is it possible in magento to filter user based on the products they have bought? For eg.

How can I get all the users who have bought product A from category B

<

Answer 1

try these models

$orders = Mage::getModel('sales/order')->addAttributeToSelect('*')->getCollection();

$order_items = Mage::getResourceModel('sales/order_item_collection')
->addAttributeToSelect('sku')
->addAttributeToSelect('created_at')
->addAttributeToSelect('order_id')
->addAttributeToFilter('order_id', array('in' => $orders_ids))->load();