<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/wiki/db" VERSION="20060925" COMMENT="XMLDB file for Moodle mod/wiki"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
  <TABLES>
    <TABLE NAME="wiki" COMMENT="Main wik table" NEXT="wiki_entries">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="summary"/>
        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="pagename"/>
        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="wtype"/>
        <FIELD NAME="wtype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="group" SEQUENCE="false" ENUM="true" ENUMVALUES="'teacher', 'group', 'student'" PREVIOUS="pagename" NEXT="ewikiprinttitle"/>
        <FIELD NAME="ewikiprinttitle" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="wtype" NEXT="htmlmode"/>
        <FIELD NAME="htmlmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ewikiprinttitle" NEXT="ewikiacceptbinary"/>
        <FIELD NAME="ewikiacceptbinary" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="htmlmode" NEXT="disablecamelcase"/>
        <FIELD NAME="disablecamelcase" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ewikiacceptbinary" NEXT="setpageflags"/>
        <FIELD NAME="setpageflags" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="disablecamelcase" NEXT="strippages"/>
        <FIELD NAME="strippages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="setpageflags" NEXT="removepages"/>
        <FIELD NAME="removepages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="strippages" NEXT="revertchanges"/>
        <FIELD NAME="revertchanges" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="removepages" NEXT="initialcontent"/>
        <FIELD NAME="initialcontent" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="revertchanges" NEXT="timemodified"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="initialcontent"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for wiki"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="wiki_entries" COMMENT="Holds entries for each wiki start instance" PREVIOUS="wiki" NEXT="wiki_pages">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="wikiid"/>
        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="course"/>
        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="wikiid" NEXT="groupid"/>
        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="pagename"/>
        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pagename"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for wiki_entries" NEXT="wikiid"/>
        <KEY NAME="wikiid" TYPE="foreign" FIELDS="wikiid" REFTABLE="wiki" REFFIELDS="id" PREVIOUS="primary"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="course" UNIQUE="false" FIELDS="course" NEXT="gropuid"/>
        <INDEX NAME="gropuid" UNIQUE="false" FIELDS="groupid" PREVIOUS="course" NEXT="userid"/>
        <INDEX NAME="userid" UNIQUE="false" FIELDS="userid" PREVIOUS="gropuid" NEXT="pagename"/>
        <INDEX NAME="pagename" UNIQUE="false" FIELDS="pagename" PREVIOUS="userid"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="wiki_pages" COMMENT="Holds the Wiki-Pages" PREVIOUS="wiki_entries" NEXT="wiki_locks">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="pagename"/>
        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="version"/>
        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pagename" NEXT="flags"/>
        <FIELD NAME="flags" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="content"/>
        <FIELD NAME="content" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="flags" NEXT="author"/>
        <FIELD NAME="author" TYPE="char" LENGTH="100" NOTNULL="false" DEFAULT="ewiki" SEQUENCE="false" ENUM="false" PREVIOUS="content" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="author" NEXT="created"/>
        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="lastmodified"/>
        <FIELD NAME="lastmodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="created" NEXT="refs"/>
        <FIELD NAME="refs" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="lastmodified" NEXT="meta"/>
        <FIELD NAME="meta" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="refs" NEXT="hits"/>
        <FIELD NAME="hits" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="meta" NEXT="wiki"/>
        <FIELD NAME="wiki" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hits"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for wiki_pages" NEXT="wiki"/>
        <KEY NAME="wiki" TYPE="foreign" FIELDS="wiki" REFTABLE="wiki" REFFIELDS="id" PREVIOUS="primary"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="pagename-version-wiki" UNIQUE="true" FIELDS="pagename, version, wiki"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="wiki_locks" COMMENT="Stores editing locks on Wiki pages" PREVIOUS="wiki_pages">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="wikiid"/>
        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pagename"/>
        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="wikiid" NEXT="lockedby"/>
        <FIELD NAME="lockedby" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If the page is or was locked, this field holds the userid of the locker" PREVIOUS="pagename" NEXT="lockedsince"/>
        <FIELD NAME="lockedsince" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time (seconds since epoch) at which lock began" PREVIOUS="lockedby" NEXT="lockedseen"/>
        <FIELD NAME="lockedseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time (seconds since epoch) at which lock was last reconfirmed (we ignore lock if this is &amp;gt;2 mins ago)" PREVIOUS="lockedsince"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for wiki_locks" NEXT="wikiid"/>
        <KEY NAME="wikiid" TYPE="foreign" FIELDS="wikiid" REFTABLE="wiki" REFFIELDS="id" PREVIOUS="primary"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="wikiid-pagename" UNIQUE="true" FIELDS="wikiid, pagename" COMMENT="Main index used for retrieving locks" NEXT="lockedseen"/>
        <INDEX NAME="lockedseen" UNIQUE="false" FIELDS="lockedseen" COMMENT="Secondary index used only during cron for deleting expired locks" PREVIOUS="wikiid-pagename"/>
      </INDEXES>
    </TABLE>
  </TABLES>
</XMLDB>