chamilo/chamilo-lms

<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="XApi\Repository\Doctrine\Mapping\Attachment" table="xapi_attachment">
        <id name="identifier" type="integer">
            <generator strategy="AUTO" />
        </id>

        <field name="usageType" type="string" />
        <field name="contentType" type="string" />
        <field name="length" type="integer" />
        <field name="sha2" type="string" />
        <field name="display" type="json_array" />
        <field name="hasDescription" type="boolean" />
        <field name="description" type="json_array" nullable="true" />
        <field name="fileUrl" type="string" nullable="true" />
        <field name="content" type="text" nullable="true" />

        <many-to-one field="statement" target-entity="XApi\Repository\Doctrine\Mapping\Statement" inversed-by="attachments" />
    </entity>
</doctrine-mapping>