1<table xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 2       xsi:noNamespaceSchemaLocation="http://chart/schemas/table.xsd">
 3    <description>Store details of which email updates each user has requested</description>
 4    <index>
 5        <name>SUBSCRIPTIONS_PK</name>
 6        <type>primary-key</type>
 7        <field>DJANGO_USER_ID</field>
 8        <field>CATEGORY</field>
 9        <field>NAME</field>
10    </index>
11    <field>
12        <name>DJANGO_USER_ID</name>
13        <length>32</length>
14        <datatype>uint</datatype>
15    </field>
16    <field>
17        <name>CATEGORY</name>
18        <datatype>string</datatype>
19        <length>20</length>
20        <choices>
21            <item>
22                <name>EVENT</name>
23                <description>Event raised</description>
24            </item>
25            <item>
26                <name>REPORT</name>
27                <description>Reports by email</description>
28            </item>
29            <item>
30                <name>NOTIFICATIONS</name>
31                <description>CHART system notifications</description>
32            </item>
33            <item>
34                <name>WEB</name>
35                <description>For future Django integration</description>
36            </item>
37            <item>
38                <name>DAEMON</name>
39                <description>For future supervisord integration</description>
40            </item>
41        </choices>
42    </field>
43    <field>
44        <name>NAME</name>
45        <datatype>string</datatype>
46        <length>500</length>
47        <allow-null>true</allow-null>
48        <description>Name of event class or report activity name</description>
49    </field>
50    <field>
51        <name>PROPERTIES</name>
52        <datatype>xml</datatype>
53        <allow-null>true</allow-null>
54        <description>Link characteristics such as a property specific test for an event subscription</description>
55    </field>
56</table>