install.xml

<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="lib/db" VERSION="20060926" COMMENT="XMLDB file for core Mahara tables"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
>
    <TABLES>
        <!-- core tables that plugins rely on -->
        <TABLE NAME="config">
            <FIELDS>
                <FIELD NAME="field" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="value" TYPE="text" LENGTH="small"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="field" />
            </KEYS>
        </TABLE>
        <TABLE NAME="event_type">
            <FIELDS>
                <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="name" />
            </KEYS>
        </TABLE>
        <TABLE NAME="institution">
            <FIELDS>
                <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="displayname" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="registerallowed" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1"/>
                <FIELD NAME="updateuserinfoonlogin" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0"/>
                <FIELD NAME="theme" TYPE="char" LENGTH="255" NOTNULL="false"/>
                <FIELD NAME="defaultmembershipperiod" TYPE="int" NOTNULL="false" />
                <FIELD NAME="maxuseraccounts" TYPE="int" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="name" />
            </KEYS>
        </TABLE>
        <!-- PLUGIN_TYPE_SUBSTITUTION -->
        <TABLE NAME="application">
            <FIELDS>
                <FIELD NAME="name" TYPE="char" LENGTH="20" NOTNULL="true" />
                <FIELD NAME="displayname" TYPE="char" LENGTH="100" NOTNULL="true" />
                <FIELD NAME="xmlrpcserverurl" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="ssolandurl" TYPE="char" LENGTH="255" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="name" />
            </KEYS>
        </TABLE>
        <TABLE NAME="institution_locked_profile_field">
            <FIELDS>
                <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="profilefield" TYPE="char" LENGTH="255" NOTNULL="true"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="name, profilefield"/>
                <KEY NAME="name" TYPE="foreign" FIELDS="name" REFTABLE="institution" REFFIELDS="name"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="usr">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
                <FIELD NAME="username" TYPE="char" LENGTH="30" NOTNULL="true"/>
                <FIELD NAME="password" TYPE="char" LENGTH="40" NOTNULL="true"/>
                <FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="mahara"/>
                <FIELD NAME="salt" TYPE="char" LENGTH="8"/>
                <FIELD NAME="passwordchange" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="active" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1"/>
                <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="expiry" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="expirymailsent" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="lastlogin" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="inactivemailsent" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="staff" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="admin" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="firstname" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="lastname" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="studentid" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="preferredname" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="email" TYPE="char" LENGTH="255" NOTNULL="false"/>
                <!-- This field should be foreign keyed to the artefact table, however the
                artefact table already has a key to this table, and XMLDB isn't smart enough
                to create the tables first, then the keys. -->
                <FIELD NAME="profileicon" TYPE="int" LENGTH="10" NOTNULL="false"/>
                <FIELD NAME="suspendedctime" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="suspendedreason" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="suspendedcusr" TYPE="int" LENGTH="10" NOTNULL="false"/>
                <FIELD NAME="quota" TYPE="int" LENGTH="10" NOTNULL="false"/>
                <FIELD NAME="quotaused" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" />
                <FIELD NAME="authinstance" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" />
                <FIELD NAME="sessionid" TYPE="char" LENGTH="32" NOTNULL="false" DEFAULT="" />
                <FIELD NAME="lastauthinstance" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="NULL" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="institution" TYPE="foreign" FIELDS="institution" REFTABLE="institution" REFFIELDS="name"/>
                <KEY NAME="lastauthinstancefk" TYPE="foreign" FIELDS="lastauthinstance" REFTABLE="auth_instance" REFFIELDS="id" />
                <KEY NAME="authinstancefk" TYPE="foreign" FIELDS="authinstance" REFTABLE="auth_instance" REFFIELDS="id" />
            </KEYS>
            <INDEXES>
                <INDEX NAME="usernameuk" UNIQUE="true" FIELDS="username,authinstance"/>
            </INDEXES>
        </TABLE>
        <TABLE NAME="usr_institution">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true"/>
                <FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="expiry" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="expirymailsent" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="studentid" TYPE="text" NOTNULL="false"/>
                <FIELD NAME="staff" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="admin" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,institution" />
                <KEY NAME="usr" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id"/>
                <KEY NAME="institution" TYPE="foreign" FIELDS="institution" REFTABLE="institution" REFFIELDS="name"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_institution_request">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true"/>
                <FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="confirmedusr" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                <FIELD NAME="confirmedinstitution" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="false"/>
                <FIELD NAME="studentid" TYPE="text" NOTNULL="false"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,institution" />
                <KEY NAME="usr" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id"/>
                <KEY NAME="institution" TYPE="foreign" FIELDS="institution" REFTABLE="institution" REFFIELDS="name"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="auth_remote_user">
            <FIELDS>
                <FIELD NAME="authinstance" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="remoteusername" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="localusr" TYPE="int" LENGTH="10" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="authinstance,remoteusername" />
                <KEY NAME="authinstancefk" TYPE="foreign" FIELDS="authinstance" REFTABLE="auth_instance" REFFIELDS="id" />
                <KEY NAME="localusrfk" TYPE="foreign" FIELDS="localusr" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="sso_session">
            <FIELDS>
                <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" />
                <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" />
                <FIELD NAME="username" TYPE="char" LENGTH="30" NOTNULL="true"/>
                <FIELD NAME="useragent" TYPE="char" LENGTH="40" NOTNULL="true"/>
                <FIELD NAME="token" TYPE="char" LENGTH="40" NOTNULL="true"/>
                <FIELD NAME="confirmtimeout" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" />
                <FIELD NAME="expires" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" />
                <FIELD NAME="sessionid" TYPE="char" LENGTH="40" NOTNULL="true"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="userid,instanceid" />
                <!-- <KEY NAME="userfk" TYPE="foreign" FIELDS="userid,username" REFTABLE="usr" REFFIELDS="userid,username" /> -->
            </KEYS>
        </TABLE>
        <TABLE NAME="host">
            <FIELDS>
                <FIELD NAME="wwwroot" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="name" TYPE="char" LENGTH="80" NOTNULL="true"/>
                <FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="ipaddress" TYPE="char" LENGTH="39" NOTNULL="true"/>
                <FIELD NAME="portno" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="80"/>
                <FIELD NAME="appname" TYPE="char" LENGTH="20" NOTNULL="true"/>
                <FIELD NAME="publickey" TYPE="text" NOTNULL="true" DEFAULT=""/>
                <FIELD NAME="publickeyexpires" TYPE="int" LENGTH="10" NOTNULL="true"/>
                <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"/>
                <FIELD NAME="lastconnecttime" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="wwwroot" />
                <KEY NAME="institutionfk" TYPE="foreign" FIELDS="institution" REFTABLE="institution" REFFIELDS="name"/>
                <KEY NAME="appnamefk" TYPE="foreign" FIELDS="appname" REFTABLE="application" REFFIELDS="name"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="cron">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="callfunction" TYPE="char" LENGTH="255" NOTNULL="true"  />
                <FIELD NAME="nextrun" TYPE="datetime" NOTNULL="false"  />
                <FIELD NAME="minute" TYPE="char" LENGTH="25" NOTNULL="true" DEFAULT="*"  />
                <FIELD NAME="hour" TYPE="char" LENGTH="25" NOTNULL="true" DEFAULT="*"  />
                <FIELD NAME="day" TYPE="char" LENGTH="25" NOTNULL="true" DEFAULT="*"  />
                <FIELD NAME="month" TYPE="char" LENGTH="25" NOTNULL="true" DEFAULT="*"  />
                <FIELD NAME="dayofweek" TYPE="char" LENGTH="25" NOTNULL="true" DEFAULT="*" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="callfunctionuk" TYPE="unique" FIELDS="callfunction" />
            </KEYS>
        </TABLE>
        <TABLE NAME="activity_type">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" />
                <FIELD NAME="admin" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                <FIELD NAME="delay" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" />
                <FIELD NAME="plugintype" TYPE="char" LENGTH="25" NOTNULL="false" />
                <FIELD NAME="pluginname" TYPE="char" LENGTH="255" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="namepluginuk" TYPE="unique" FIELDS="name, plugintype, pluginname" />
            </KEYS>
        </TABLE>
        <TABLE NAME="activity_queue">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="data" TYPE="text" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="typefk" TYPE="foreign" FIELDS="type" REFTABLE="activity_type" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="artefact">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="artefacttype" TYPE="char" LENGTH="255" NOTNULL="true"  />
                <FIELD NAME="container" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"  />
                <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="false"  />
                <FIELD NAME="owner" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true"  />
                <FIELD NAME="mtime" TYPE="datetime" NOTNULL="true"  />
                <FIELD NAME="atime" TYPE="datetime" NOTNULL="true"  />
                <FIELD NAME="locked" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0"  />
                <FIELD NAME="title" TYPE="text" NOTNULL="true"  />
                <FIELD NAME="description" TYPE="text" NOTNULL="false"  />
                <FIELD NAME="note" TYPE="text" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="typefk" TYPE="foreign" FIELDS="artefacttype" REFTABLE="artefact_installed_type" REFFIELDS="name"  />
                <KEY NAME="parentfk" TYPE="foreign" FIELDS="parent" REFTABLE="artefact" REFFIELDS="id" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="owner" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="artefact_tag">
            <FIELDS>
                <FIELD NAME="artefact" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="tag" TYPE="char" LENGTH="128" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="artefact,tag" />
                <KEY NAME="artefactfk" TYPE="foreign" FIELDS="artefact" REFTABLE="artefact" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="artefact_parent_cache">
            <FIELDS>
                <FIELD NAME="artefact" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="dirty" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="artefact,parent" />
                <KEY NAME="artefactfk" TYPE="foreign" FIELDS="artefact" REFTABLE="artefact" REFFIELDS="id" />
                <KEY NAME="parentfk" TYPE="foreign" FIELDS="parent" REFTABLE="artefact" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="group">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="name" TYPE="char" LENGTH="128" NOTNULL="true" />
                <FIELD NAME="description" TYPE="text" NOTNULL="false" />
                <FIELD NAME="jointype" TYPE="char" LENGTH="20" NOTNULL="true" ENUM="true" ENUMVALUES="'controlled', 'invite', 'request', 'open'"  DEFAULT="open" />
                <FIELD NAME="owner" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="mtime" TYPE="datetime" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="nameuk" TYPE="unique" FIELDS="name" />
                <KEY NAME="ownerfk" TYPE="foreign" FIELDS="owner" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="group_member">
            <FIELDS>
                <FIELD NAME="group" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="member" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="tutor" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="group,member" />
                <KEY NAME="groupfk" TYPE="foreign" FIELDS="group" REFTABLE="group" REFFIELDS="id" />
                <KEY NAME="memberfk" TYPE="foreign" FIELDS="member" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="group_member_request">
            <FIELDS>
                <FIELD NAME="group" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="member" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="reason" TYPE="text" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="group,member" />
                <KEY NAME="groupfk" TYPE="foreign" FIELDS="group" REFTABLE="group" REFFIELDS="id" />
                <KEY NAME="memberfk" TYPE="foreign" FIELDS="member" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="group_member_invite">
            <FIELDS>
                <FIELD NAME="group" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="member" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="reason" TYPE="text" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="group,member" />
                <KEY NAME="groupfk" TYPE="foreign" FIELDS="group" REFTABLE="group" REFFIELDS="id" />
                <KEY NAME="memberfk" TYPE="foreign" FIELDS="member" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="interaction_instance">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="plugin" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="group" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="title" TYPE="text" NOTNULL="true"  />
                <FIELD NAME="description" TYPE="text" NOTNULL="false"  />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true"  />
                <FIELD NAME="creator" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="deleted" TYPE="int" LENGTH="1" DEFAULT="0" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="pluginfk" TYPE="foreign" FIELDS="plugin" REFTABLE="interaction_installed" REFFIELDS="name" />
                <KEY NAME="groupfk" TYPE="foreign" FIELDS="group" REFTABLE="group" REFFIELDS="id" />
                <KEY NAME="creatorfk" TYPE="foreign" FIELDS="creator" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <!-- user related tables -->
        <TABLE NAME="usr_account_preference">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="field" TYPE="char" LENGTH="100" NOTNULL="true" />
                <FIELD NAME="value" TYPE="text" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,field" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_activity_preference">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="activity" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="method" TYPE="char" LENGTH="255" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,activity" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
                <KEY NAME="activityfk" TYPE="foreign" FIELDS="activity" REFTABLE="activity_type" REFFIELDS="id" />
                <KEY NAME="methodfk" TYPE="foreign" FIELDS="method" REFTABLE="notification_installed" REFFIELDS="name" />
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_friend">
            <FIELDS>
                <FIELD NAME="usr1" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="usr2" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
            </FIELDS>
            <KEYS>
               <KEY NAME="primary" TYPE="primary" FIELDS="usr1,usr2" />
               <KEY NAME="usr1fk" TYPE="foreign" FIELDS="usr1" REFTABLE="usr" REFFIELDS="id" />
               <KEY NAME="usr2fk" TYPE="foreign" FIELDS="usr2" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_friend_request">
            <FIELDS>
                <FIELD NAME="owner" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="requester" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="reason" TYPE="text" NOTNULL="false" />
            </FIELDS>
            <KEYS>
               <KEY NAME="primary" TYPE="primary" FIELDS="owner,requester" />
               <KEY NAME="ownerfk" TYPE="foreign" FIELDS="owner" REFTABLE="usr" REFFIELDS="id" />
               <KEY NAME="requesterfk" TYPE="foreign" FIELDS="requester" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_registration">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" SEQUENCE="true" NOTNULL="true" />
                <FIELD NAME="username" TYPE="char" LENGTH="30" NOTNULL="true"/>
                <FIELD NAME="password" TYPE="char" LENGTH="40" NOTNULL="true"/>
                <FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true"/>
                <FIELD NAME="salt" TYPE="char" LENGTH="8" NOTNULL="true"/>
                <FIELD NAME="firstname" TYPE="text" NOTNULL="true"/>
                <FIELD NAME="lastname" TYPE="text" NOTNULL="true"/>
                <FIELD NAME="email" TYPE="text" NOTNULL="true"/>
                <FIELD NAME="key" TYPE="char" LENGTH="16" NOTNULL="true"/>
                <FIELD NAME="expiry" TYPE="datetime" NOTNULL="true"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="institution" TYPE="foreign" FIELDS="institution" REFTABLE="institution" REFFIELDS="name"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_infectedupload">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="time" TYPE="datetime" NOTNULL="true"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="usr_password_request">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="expiry" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="key" TYPE="char" LENGTH="20" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,expiry" />
                <KEY NAME="foreign" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>         
        </TABLE>
        <TABLE NAME="view_layout">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
                <FIELD NAME="columns" TYPE="int" LENGTH="1" NOTNULL="true"/>
                <FIELD NAME="widths" TYPE="char" LENGTH="255" NOTNULL="true"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
                <KEY NAME="columnwidthuk" TYPE="unique" FIELDS="columns,widths"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="view">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="title" TYPE="text" NOTNULL="true" />
                <FIELD NAME="description" TYPE="text" NOTNULL="false" />
                <FIELD NAME="owner" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ownerformat" TYPE="text" NOTNULL="true" />
                <FIELD NAME="startdate" TYPE="datetime" />
                <FIELD NAME="stopdate" TYPE="datetime" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="mtime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="atime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="submittedto" TYPE="int" LENGTH="10" NOTNULL="false" />
                <FIELD NAME="numcolumns" TYPE="int" LENGTH="2" NOTNULL="true" />
                <FIELD NAME="layout" TYPE="int" LENGTH="10"/>
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="ownerfk" TYPE="foreign" FIELDS="owner" REFTABLE="usr" REFFIELDS="id" />
                <KEY NAME="submittedtofk" TYPE="foreign" FIELDS="submittedto" REFTABLE="group" REFFIELDS="id" />
                <KEY NAME="layoutfk" TYPE="foreign" FIELDS="layout" REFTABLE="view_layout" REFFIELDS="id"/>
            </KEYS>
        </TABLE>
        <TABLE NAME="view_tag">
            <FIELDS>
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="tag" TYPE="char" LENGTH="128" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="view,tag" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="block_instance">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="blocktype" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" />
                <FIELD NAME="configdata" TYPE="text" NOTNULL="false" />
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="column" TYPE="int" LENGTH="2" NOTNULL="true" />
                <FIELD NAME="order" TYPE="int" LENGTH="2" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="blocktypefk" TYPE="foreign" FIELDS="blocktype" REFTABLE="blocktype_installed" REFFIELDS="name" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="viewcolumnorderuk" TYPE="unique" FIELDS="view,column,order" />
            </KEYS>
        </TABLE>
        <TABLE NAME="view_artefact">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="artefact" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="block" TYPE="int" LENGTH="10" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="artefactfk" TYPE="foreign" FIELDS="artefact" REFTABLE="artefact" REFFIELDS="id" />
                <KEY NAME="blockfk" TYPE="foreign" FIELDS="block" REFTABLE="block_instance" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="view_feedback">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="author" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="message" TYPE="text" NOTNULL="true" />
                <FIELD NAME="attachment" TYPE="int" LENGTH="10" NOTNULL="false" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="public" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="authorfk" TYPE="foreign" FIELDS="author" REFTABLE="usr" REFFIELDS="id" />
                <KEY NAME="attachmentfk" TYPE="foreign" FIELDS="attachment" REFTABLE="artefact" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="artefact_feedback">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="artefact" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="author" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="message" TYPE="text" NOTNULL="false" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="public" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
                <KEY NAME="artefactfk" TYPE="foreign" FIELDS="artefact" REFTABLE="artefact" REFFIELDS="id" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="authorfk" TYPE="foreign" FIELDS="author" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="view_access">
            <FIELDS>
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="accesstype" TYPE="char" LENGTH="16" NOTNULL="true" ENUM="true" ENUMVALUES="'public', 'loggedin', 'friends'" DEFAULT="public" />
                <FIELD NAME="startdate" TYPE="datetime" NOTNULL="false" />
                <FIELD NAME="stopdate" TYPE="datetime" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="view_access_group">
            <FIELDS>
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="group" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="tutoronly" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                <FIELD NAME="startdate" TYPE="datetime" NOTNULL="false" />
                <FIELD NAME="stopdate" TYPE="datetime" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="groupfk" TYPE="foreign" FIELDS="group" REFTABLE="group" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <TABLE NAME="view_access_usr">
            <FIELDS>
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="startdate" TYPE="datetime" NOTNULL="false" />
                <FIELD NAME="stopdate" TYPE="datetime" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <!-- site content stuff -->
        <!-- 
        <TABLE NAME="site_file">
        </TABLE>
        -->
        <TABLE NAME="site_menu">
            <FIELDS>
                <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" />
                <FIELD NAME="title" TYPE="text" NOTNULL="true" />
                <FIELD NAME="file" TYPE="int" LENGTH="10" NOTNULL="false" />
                <FIELD NAME="url" TYPE="text" NOTNULL="false" />
                <FIELD NAME="displayorder" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="public" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" />
                <!--- public? -->
                <!-- displayorder maybe should be the primary key -->
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="id" />
            <!--
                <KEY NAME="filefk" TYPE="foreign" FIELDS="file" REFTABLE="site_file" REFFIELDS="id" />
            -->
            </KEYS>
        </TABLE>
        <TABLE NAME="site_content"> 
            <FIELDS>
                <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" />
                <FIELD NAME="content" TYPE="text" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNOT="true" />
                <FIELD NAME="mtime" TYPE="datetime" NOTNULL="true" />
                <FIELD NAME="mauthor" TYPE="int" LENGTH="10" NOTNULL="false" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="name" />
                <KEY NAME="mauthorfk" TYPE="foreign" FIELDS="mauthor" REFTABLE="usr" REFFIELDS="id" />
            </KEYS>
        </TABLE>
        <!-- watchlist stuff -->
        <TABLE NAME="usr_watchlist_view">
            <FIELDS>
                <FIELD NAME="usr" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="view" TYPE="int" LENGTH="10" NOTNULL="true" />
                <FIELD NAME="ctime" TYPE="datetime" NOTNULL="true" />
            </FIELDS>
            <KEYS>
                <KEY NAME="primary" TYPE="primary" FIELDS="usr,view" />
                <KEY NAME="usrfk" TYPE="foreign" FIELDS="usr" REFTABLE="usr" REFFIELDS="id" />
                <KEY NAME="viewfk" TYPE="foreign" FIELDS="view" REFTABLE="view" REFFIELDS="id" />
            </KEYS>
        </TABLE>
    </TABLES>
</XMLDB>