<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/wiki/db" VERSION="20120122" 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="Stores Wiki activity configuration" NEXT="wiki_subwikis">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="course"/>
        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Course wiki activity belongs to" PREVIOUS="id" NEXT="name"/>
        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="Wiki" SEQUENCE="false" COMMENT="name field for moodle instances" PREVIOUS="course" NEXT="intro"/>
        <FIELD NAME="intro" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="General introduction of the wiki activity" PREVIOUS="name" NEXT="introformat"/>
        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Format of the intro field (MOODLE, HTML, MARKDOWN...)" PREVIOUS="intro" NEXT="timecreated"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="timemodified"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="firstpagetitle"/>
        <FIELD NAME="firstpagetitle" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="First Page" SEQUENCE="false" COMMENT="Wiki first page's name" PREVIOUS="timemodified" NEXT="wikimode"/>
        <FIELD NAME="wikimode" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="collaborative" SEQUENCE="false" COMMENT="Wiki mode (individual, collaborative)" PREVIOUS="firstpagetitle" NEXT="defaultformat"/>
        <FIELD NAME="defaultformat" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="creole" SEQUENCE="false" COMMENT="Wiki's default editor" PREVIOUS="wikimode" NEXT="forceformat"/>
        <FIELD NAME="forceformat" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="Forces the default editor" PREVIOUS="defaultformat" NEXT="editbegin"/>
        <FIELD NAME="editbegin" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="editbegin" PREVIOUS="forceformat" NEXT="editend"/>
        <FIELD NAME="editend" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="editend" PREVIOUS="editbegin"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
      <INDEXES>
        <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
      </INDEXES>
    </TABLE>
    <TABLE NAME="wiki_subwikis" COMMENT="Stores subwiki instances" PREVIOUS="wiki" NEXT="wiki_pages">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="wikiid"/>
        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Wiki activity" PREVIOUS="id" NEXT="groupid"/>
        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Group that owns this wiki" PREVIOUS="wikiid" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Owner of that subwiki" PREVIOUS="groupid"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="wikifk"/>
        <KEY NAME="wikifk" TYPE="foreign" FIELDS="wikiid" REFTABLE="wiki" REFFIELDS="id" COMMENT="Foreign key to wiki table" PREVIOUS="primary" NEXT="wikiidgroupiduserid"/>
        <KEY NAME="wikiidgroupiduserid" TYPE="unique" FIELDS="wikiid, groupid, userid" COMMENT="Unique key" PREVIOUS="wikifk"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="wiki_pages" COMMENT="Stores wiki pages" PREVIOUS="wiki_subwikis" NEXT="wiki_versions">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="subwikiid"/>
        <FIELD NAME="subwikiid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Subwiki instance of this page" PREVIOUS="id" NEXT="title"/>
        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="title" SEQUENCE="false" COMMENT="Page name" PREVIOUS="subwikiid" NEXT="cachedcontent"/>
        <FIELD NAME="cachedcontent" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="Cache wiki content" PREVIOUS="title" NEXT="timecreated"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Wiki page creation timestamp" PREVIOUS="cachedcontent" NEXT="timemodified"/>
        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="page edition timestamp" PREVIOUS="timecreated" NEXT="timerendered"/>
        <FIELD NAME="timerendered" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Last render timestamp" PREVIOUS="timemodified" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Edition author" PREVIOUS="timerendered" NEXT="pageviews"/>
        <FIELD NAME="pageviews" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Number of page views" PREVIOUS="userid" NEXT="readonly"/>
        <FIELD NAME="readonly" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Read only flag" PREVIOUS="pageviews"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="subwikititleuser"/>
        <KEY NAME="subwikititleuser" TYPE="unique" FIELDS="subwikiid, title, userid" PREVIOUS="primary" NEXT="subwikifk"/>
        <KEY NAME="subwikifk" TYPE="foreign" FIELDS="subwikiid" REFTABLE="wiki_subwikis" REFFIELDS="id" COMMENT="Foreign key to subwiki table" PREVIOUS="subwikititleuser"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="wiki_versions" COMMENT="Stores wiki page history" PREVIOUS="wiki_pages" NEXT="wiki_synonyms">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="pageid"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Page id" PREVIOUS="id" NEXT="content"/>
        <FIELD NAME="content" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="Not parsed wiki content" PREVIOUS="pageid" NEXT="contentformat"/>
        <FIELD NAME="contentformat" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="creole" SEQUENCE="false" COMMENT="Markup used to write content" PREVIOUS="content" NEXT="version"/>
        <FIELD NAME="version" TYPE="int" LENGTH="5" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Wiki page version" PREVIOUS="contentformat" NEXT="timecreated"/>
        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Page edition timestamp" PREVIOUS="version" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Edition autor" PREVIOUS="timecreated"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="pagefk"/>
        <KEY NAME="pagefk" TYPE="foreign" FIELDS="pageid" REFTABLE="wiki_pages" REFFIELDS="id" COMMENT="Foreign key to pages table" PREVIOUS="primary"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="wiki_synonyms" COMMENT="Stores wiki pages synonyms" PREVIOUS="wiki_versions" NEXT="wiki_links">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="subwikiid"/>
        <FIELD NAME="subwikiid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Subwiki instance" PREVIOUS="id" NEXT="pageid"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Original page" PREVIOUS="subwikiid" NEXT="pagesynonym"/>
        <FIELD NAME="pagesynonym" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="Pagesynonym" SEQUENCE="false" COMMENT="Page name synonym" PREVIOUS="pageid"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="pageidsyn"/>
        <KEY NAME="pageidsyn" TYPE="unique" FIELDS="pageid, pagesynonym" PREVIOUS="primary"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="wiki_links" COMMENT="Page wiki links" PREVIOUS="wiki_synonyms" NEXT="wiki_locks">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="subwikiid"/>
        <FIELD NAME="subwikiid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Subwiki instance" PREVIOUS="id" NEXT="frompageid"/>
        <FIELD NAME="frompageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Page id with a link" PREVIOUS="subwikiid" NEXT="topageid"/>
        <FIELD NAME="topageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Page id that recives a link" PREVIOUS="frompageid" NEXT="tomissingpage"/>
        <FIELD NAME="tomissingpage" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="link to a nonexistent page" PREVIOUS="topageid"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="frompageidfk"/>
        <KEY NAME="frompageidfk" TYPE="foreign" FIELDS="frompageid" REFTABLE="wiki_pages" REFFIELDS="id" COMMENT="Foreig key to wiki_pages" PREVIOUS="primary" NEXT="subwikifk"/>
        <KEY NAME="subwikifk" TYPE="foreign" FIELDS="subwikiid" REFTABLE="wiki_subwikis" REFFIELDS="id" COMMENT="Foreign key to wiki_subwiki table" PREVIOUS="frompageidfk"/>
      </KEYS>
    </TABLE>
    <TABLE NAME="wiki_locks" COMMENT="Manages page locks" PREVIOUS="wiki_links">
      <FIELDS>
        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true" NEXT="pageid"/>
        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Locked page" PREVIOUS="id" NEXT="sectionname"/>
        <FIELD NAME="sectionname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="locked page section" PREVIOUS="pageid" NEXT="userid"/>
        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Locking user" PREVIOUS="sectionname" NEXT="lockedat"/>
        <FIELD NAME="lockedat" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="timestamp" PREVIOUS="userid"/>
      </FIELDS>
      <KEYS>
        <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
      </KEYS>
    </TABLE>
  </TABLES>
</XMLDB>