Easy categorizing with Symfony2, gist #5.

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>

<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
                  http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">

    <entity name="Application\Bundle\AssortmentBundle\Entity\Product" table="sylius_assortment_product">
        <id name="id" column="id" type="integer">
            <generator strategy="AUTO" />
        </id>
        <many-to-one field="category" target-entity="Application\Bundle\AssortmentBundle\Entity\Category">
        	<join-column name="category_id" referenced-column-name="id" />
    	</many-to-one>
    </entity>

</doctrine-mapping>