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   1  <?xml version="1.0" encoding="UTF-8" ?>
   2  <XMLDB PATH="mod/forum/db" VERSION="20160113" COMMENT="XMLDB file for Moodle mod/forum"
   3      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   4      xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
   5  >
   6    <TABLES>
   7      <TABLE NAME="forum" COMMENT="Forums contain and structure discussion">
   8        <FIELDS>
   9          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  10          <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  11          <FIELD NAME="type" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="general" SEQUENCE="false"/>
  12          <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
  13          <FIELD NAME="intro" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
  14          <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="text format of intro field"/>
  15          <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  16          <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  17          <FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  18          <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  19          <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  20          <FIELD NAME="maxattachments" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="Number of attachments allowed per post"/>
  21          <FIELD NAME="forcesubscribe" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  22          <FIELD NAME="trackingtype" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
  23          <FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  24          <FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  25          <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  26          <FIELD NAME="warnafter" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  27          <FIELD NAME="blockafter" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  28          <FIELD NAME="blockperiod" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  29          <FIELD NAME="completiondiscussions" TYPE="int" LENGTH="9" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of posts are required to mark this forum completed for a user."/>
  30          <FIELD NAME="completionreplies" TYPE="int" LENGTH="9" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of replies are required to mark this forum complete for a user."/>
  31          <FIELD NAME="completionposts" TYPE="int" LENGTH="9" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of posts or replies (total) are required to mark this forum complete for a user."/>
  32          <FIELD NAME="displaywordcount" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  33        </FIELDS>
  34        <KEYS>
  35          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  36        </KEYS>
  37        <INDEXES>
  38          <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
  39        </INDEXES>
  40      </TABLE>
  41      <TABLE NAME="forum_discussions" COMMENT="Forums are composed of discussions">
  42        <FIELDS>
  43          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  44          <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  45          <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  46          <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
  47          <FIELD NAME="firstpost" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  48          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  49          <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="-1" SEQUENCE="false"/>
  50          <FIELD NAME="assessed" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
  51          <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  52          <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  53          <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  54          <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  55          <FIELD NAME="pinned" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  56        </FIELDS>
  57        <KEYS>
  58          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  59          <KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
  60        </KEYS>
  61        <INDEXES>
  62          <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
  63          <INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
  64        </INDEXES>
  65      </TABLE>
  66      <TABLE NAME="forum_posts" COMMENT="All posts are stored in this table">
  67        <FIELDS>
  68          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  69          <FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  70          <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  71          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  72          <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  73          <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  74          <FIELD NAME="mailed" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  75          <FIELD NAME="subject" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
  76          <FIELD NAME="message" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
  77          <FIELD NAME="messageformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  78          <FIELD NAME="messagetrust" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  79          <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
  80          <FIELD NAME="totalscore" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  81          <FIELD NAME="mailnow" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  82        </FIELDS>
  83        <KEYS>
  84          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  85          <KEY NAME="discussion" TYPE="foreign" FIELDS="discussion" REFTABLE="forum_discussions" REFFIELDS="id"/>
  86          <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="forum_posts" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be decalred NULL"/>
  87        </KEYS>
  88        <INDEXES>
  89          <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
  90          <INDEX NAME="created" UNIQUE="false" FIELDS="created"/>
  91          <INDEX NAME="mailed" UNIQUE="false" FIELDS="mailed"/>
  92        </INDEXES>
  93      </TABLE>
  94      <TABLE NAME="forum_queue" COMMENT="For keeping track of posts that will be mailed in digest form">
  95        <FIELDS>
  96          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  97          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  98          <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  99          <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 100          <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The modified time of the original post"/>
 101        </FIELDS>
 102        <KEYS>
 103          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 104          <KEY NAME="discussionid" TYPE="foreign" FIELDS="discussionid" REFTABLE="forum_discussions" REFFIELDS="id"/>
 105          <KEY NAME="postid" TYPE="foreign" FIELDS="postid" REFTABLE="forum_posts" REFFIELDS="id"/>
 106        </KEYS>
 107        <INDEXES>
 108          <INDEX NAME="user" UNIQUE="false" FIELDS="userid"/>
 109        </INDEXES>
 110      </TABLE>
 111      <TABLE NAME="forum_subscriptions" COMMENT="Keeps track of who is subscribed to what forum">
 112        <FIELDS>
 113          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
 114          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 115          <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 116        </FIELDS>
 117        <KEYS>
 118          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 119          <KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
 120        </KEYS>
 121        <INDEXES>
 122          <INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
 123        </INDEXES>
 124      </TABLE>
 125      <TABLE NAME="forum_digests" COMMENT="Keeps track of user mail delivery preferences for each forum">
 126        <FIELDS>
 127          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
 128          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
 129          <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
 130          <FIELD NAME="maildigest" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="-1" SEQUENCE="false"/>
 131        </FIELDS>
 132        <KEYS>
 133          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 134          <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
 135          <KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
 136          <KEY NAME="forumdigest" TYPE="unique" FIELDS="forum, userid, maildigest"/>
 137        </KEYS>
 138      </TABLE>
 139      <TABLE NAME="forum_read" COMMENT="Tracks each users read posts">
 140        <FIELDS>
 141          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
 142          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 143          <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 144          <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 145          <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 146          <FIELD NAME="firstread" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 147          <FIELD NAME="lastread" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 148        </FIELDS>
 149        <KEYS>
 150          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 151        </KEYS>
 152        <INDEXES>
 153          <INDEX NAME="userid-forumid" UNIQUE="false" FIELDS="userid, forumid"/>
 154          <INDEX NAME="userid-discussionid" UNIQUE="false" FIELDS="userid, discussionid"/>
 155          <INDEX NAME="postid-userid" UNIQUE="false" FIELDS="postid, userid"/>
 156        </INDEXES>
 157      </TABLE>
 158      <TABLE NAME="forum_track_prefs" COMMENT="Tracks each users untracked forums">
 159        <FIELDS>
 160          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
 161          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 162          <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
 163        </FIELDS>
 164        <KEYS>
 165          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 166        </KEYS>
 167        <INDEXES>
 168          <INDEX NAME="userid-forumid" UNIQUE="false" FIELDS="userid, forumid"/>
 169        </INDEXES>
 170      </TABLE>
 171      <TABLE NAME="forum_discussion_subs" COMMENT="Users may choose to subscribe and unsubscribe from specific discussions.">
 172        <FIELDS>
 173          <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
 174          <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
 175          <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
 176          <FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
 177          <FIELD NAME="preference" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
 178        </FIELDS>
 179        <KEYS>
 180          <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
 181          <KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
 182          <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
 183          <KEY NAME="discussion" TYPE="foreign" FIELDS="discussion" REFTABLE="forum_discussions" REFFIELDS="id"/>
 184          <KEY NAME="user_discussions" TYPE="unique" FIELDS="userid, discussion" COMMENT="Users may only have one discussion preferences per discussion"/>
 185        </KEYS>
 186      </TABLE>
 187    </TABLES>
 188  </XMLDB>