<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="local/mail/db" VERSION="20170704" COMMENT="-"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
  <TABLES>
    <TABLE NAME="local_mail_labels" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="color" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="local_mail_messages" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="subject" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="content" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="attachments" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
        <FIELD NAME="draft" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="normalizedsubject" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
        <FIELD NAME="normalizedcontent" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="courseid" UNIQUE="false" FIELDS="courseid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="local_mail_message_labels" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="messageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="labelid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="messageid" UNIQUE="false" FIELDS="messageid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="local_mail_message_refs" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="messageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="reference" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="messageid" UNIQUE="false" FIELDS="messageid"/>
        <INDEX NAME="reference" UNIQUE="false" FIELDS="reference"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="local_mail_message_users" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="messageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="role" TYPE="char" LENGTH="4" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="unread" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="starred" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="messageid" UNIQUE="false" FIELDS="messageid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="local_mail_index" COMMENT="-">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="type" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="item" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="messageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
        <FIELD NAME="unread" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="messageid_userid" UNIQUE="false" FIELDS="messageid, userid"/>
        <INDEX NAME="userid_type_item_unread" UNIQUE="false" FIELDS="userid, type, item, unread"/>
        <INDEX NAME="userid_type_item_time_messageid" UNIQUE="true" FIELDS="userid, type, item, time, messageid"/>
      </INDEXES>
    </TABLE>
  </TABLES>
</XMLDB>