mirror_php/moodle
1
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-02-22 02:49:53 +01:00
Code Issues Projects Releases Wiki Activity
moodle/mod/forum/db/install.xml
David Mudrák 8a6b13b71e MDL-68647 forum: Add index over posts privatereplyto field 
This is to further improve the performance of searching of posts related
to the given user. Once both userid and privatereplyto are indexed, the
query planner can use the merged index to search for posts records.
2020-07-21 11:55:25 +02:00

221 lines
15 KiB
XML
Raw Blame History

<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/forum/db" VERSION="20200508" 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"/>
<INDEX NAME="privatereplyto" UNIQUE="false" FIELDS="privatereplyto" COMMENT="The field is used in certain queries (such as privacy requests) to search for private replies to the user."/>
</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>
Reference in New Issue View Git Blame Copy Permalink