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<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/forum/db" VERSION="20191001" COMMENT="XMLDB file for Moodle mod/forum"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
<TABLES>
<TABLE NAME="forum" COMMENT="Forums contain and structure discussion">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="type" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="general" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="intro" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="text format of intro field"/>
<FIELD NAME="duedate" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="A due date to show in the calendar. Not used for grading."/>
<FIELD NAME="cutoffdate" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The final date after which forum posts will no longer be accepted for this forum."/>
<FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="grade_forum" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="grade_forum_notify" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="maxattachments" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="Number of attachments allowed per post"/>
<FIELD NAME="forcesubscribe" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="trackingtype" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="warnafter" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="blockafter" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="blockperiod" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<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."/>
<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."/>
<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."/>
<FIELD NAME="displaywordcount" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lockdiscussionafter" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_discussions" COMMENT="Forums are composed of discussions">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="firstpost" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="-1" SEQUENCE="false"/>
<FIELD NAME="assessed" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="pinned" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timelocked" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_posts" COMMENT="All posts are stored in this table">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="mailed" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="subject" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="message" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="messageformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="messagetrust" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="totalscore" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="mailnow" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="privatereplyto" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="wordcount" TYPE="int" LENGTH="20" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="charcount" TYPE="int" LENGTH="20" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="discussion" TYPE="foreign" FIELDS="discussion" REFTABLE="forum_discussions" REFFIELDS="id"/>
<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"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="created" UNIQUE="false" FIELDS="created"/>
<INDEX NAME="mailed" UNIQUE="false" FIELDS="mailed"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_queue" COMMENT="For keeping track of posts that will be mailed in digest form">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The modified time of the original post"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="discussionid" TYPE="foreign" FIELDS="discussionid" REFTABLE="forum_discussions" REFFIELDS="id"/>
<KEY NAME="postid" TYPE="foreign" FIELDS="postid" REFTABLE="forum_posts" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="user" UNIQUE="false" FIELDS="userid"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_subscriptions" COMMENT="Keeps track of who is subscribed to what forum">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
<KEY NAME="useridforum" TYPE="unique" FIELDS="userid, forum" COMMENT="Unique key"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_digests" COMMENT="Keeps track of user mail delivery preferences for each forum">
<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="forum" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="maildigest" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="-1" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
<KEY NAME="forumdigest" TYPE="unique" FIELDS="forum, userid, maildigest"/>
</KEYS>
</TABLE>
<TABLE NAME="forum_read" COMMENT="Tracks each users read posts">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="firstread" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lastread" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-forumid" UNIQUE="false" FIELDS="userid, forumid"/>
<INDEX NAME="userid-discussionid" UNIQUE="false" FIELDS="userid, discussionid"/>
<INDEX NAME="postid-userid" UNIQUE="false" FIELDS="postid, userid"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_track_prefs" COMMENT="Tracks each users untracked forums">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-forumid" UNIQUE="false" FIELDS="userid, forumid"/>
</INDEXES>
</TABLE>
<TABLE NAME="forum_discussion_subs" COMMENT="Users may choose to subscribe and unsubscribe from specific discussions.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="preference" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="discussion" TYPE="foreign" FIELDS="discussion" REFTABLE="forum_discussions" REFFIELDS="id"/>
<KEY NAME="user_discussions" TYPE="unique" FIELDS="userid, discussion" COMMENT="Users may only have one discussion preferences per discussion"/>
</KEYS>
</TABLE>
<TABLE NAME="forum_grades" COMMENT="Grading data for forum instances">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="The ID of the forum that this grade relates to"/>
<FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="The grade itemnumber"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="The user who was graded"/>
<FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="false" SEQUENCE="false" DECIMALS="5" COMMENT="The numerical grade for this user's forum assessment.
Can be determined by scales/advancedgradingforms etc but will always be converted back to a floating point number."/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="forum" TYPE="foreign" FIELDS="forum" REFTABLE="forum" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="forumusergrade" UNIQUE="true" FIELDS="forum, itemnumber, userid"/>
</INDEXES>
</TABLE>
</TABLES>
</XMLDB>