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install.xml
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install.xml
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<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="lib/db" VERSION="20220524" COMMENT="XMLDB file for core Moodle tables"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
>
<TABLES>
<TABLE NAME="config" COMMENT="Moodle configuration variables">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="value" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="name" TYPE="unique" FIELDS="name"/>
</KEYS>
</TABLE>
<TABLE NAME="config_plugins" COMMENT="Moodle modules and plugins configuration variables">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="core" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="value" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="plugin_name" TYPE="unique" FIELDS="plugin, name"/>
</KEYS>
</TABLE>
<TABLE NAME="config_log" COMMENT="Changes done in server configuration through admin UI">
<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="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="value" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="oldvalue" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="timemodified" UNIQUE="false" FIELDS="timemodified"/>
</INDEXES>
</TABLE>
<TABLE NAME="upgrade_log" COMMENT="Upgrade logging">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="type: 0==info, 1==notice, 2==error"/>
<FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="version" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="plugin or main version if known"/>
<FIELD NAME="targetversion" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="version of plugin or core specified in version.php at the time of upgrade loggging"/>
<FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="details" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="backtrace" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="userid" 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="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="timemodified" UNIQUE="false" FIELDS="timemodified"/>
<INDEX NAME="type-timemodified" UNIQUE="false" FIELDS="type, timemodified"/>
</INDEXES>
</TABLE>
<TABLE NAME="course" COMMENT="Central course table">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="summary" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="summaryformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="format" TYPE="char" LENGTH="21" NOTNULL="true" DEFAULT="topics" SEQUENCE="false"/>
<FIELD NAME="showgrades" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="newsitems" TYPE="int" LENGTH="5" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="startdate" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="enddate" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="relativedatesmode" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether to let this course display course- or activity-related dates relative to the user's enrolment date in this course."/>
<FIELD NAME="marker" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="legacyfiles" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="course files are not necessary any more: 0 no legacy files, 1 legacy files disabled, 2 legacy files enabled"/>
<FIELD NAME="showreports" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="visibleold" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="the state of visible field when hiding parent category, this helps us to recover hidden states when unhiding the parent category later"/>
<FIELD NAME="downloadcontent" TYPE="int" LENGTH="1" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="groupmodeforce" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="defaultgroupingid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="default grouping used in course modules, does not have key intentionally"/>
<FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="calendartype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="requested" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="enablecompletion" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="1 = allow use of 'completion' progress-tracking on this course. 0 = disable completion tracking on this course."/>
<FIELD NAME="completionnotify" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Notify users when they complete this course"/>
<FIELD NAME="cacherev" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Incrementing revision for validating the course content cache"/>
<FIELD NAME="originalcourseid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="the id of the source course when a new course originates from a restore of another course on the same site."/>
<FIELD NAME="showactivitydates" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether to display activity dates to user. 0 = do not display, 1 = display activity dates"/>
<FIELD NAME="showcompletionconditions" TYPE="int" LENGTH="1" NOTNULL="false" SEQUENCE="false" COMMENT="Whether to display completion conditions to user. 0 = do not display, 1 = display conditions"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="category" UNIQUE="false" FIELDS="category"/>
<INDEX NAME="idnumber" UNIQUE="false" FIELDS="idnumber"/>
<INDEX NAME="shortname" UNIQUE="false" FIELDS="shortname"/>
<INDEX NAME="sortorder" UNIQUE="false" FIELDS="sortorder"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_categories" COMMENT="Course categories">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="description" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="coursecount" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="visibleold" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="the state of visible field when hiding parent category, this helps us to recover hidden states when unhiding the parent category later"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" COMMENT="Theme for the category"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="course_categories" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL"/>
</KEYS>
</TABLE>
<TABLE NAME="course_completion_aggr_methd" COMMENT="Course completion aggregation methods for criteria">
<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="criteriatype" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The criteria type we are aggregating, or NULL if complete course aggregation"/>
<FIELD NAME="method" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="1 = all, 2 = any, 3 = fraction, 4 = unit"/>
<FIELD NAME="value" TYPE="number" LENGTH="10" NOTNULL="false" SEQUENCE="false" DECIMALS="5" COMMENT="NULL = all/any, 0..1 for method 'fraction', > 0 for method 'unit'"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
<INDEX NAME="criteriatype" UNIQUE="false" FIELDS="criteriatype"/>
<INDEX NAME="coursecriteriatype" UNIQUE="true" FIELDS="course, criteriatype"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_completion_criteria" COMMENT="Course completion criteria">
<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="criteriatype" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Type of criteria"/>
<FIELD NAME="module" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="Type of module (if using module criteria type)"/>
<FIELD NAME="moduleinstance" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Module instance id (if using module criteria type)"/>
<FIELD NAME="courseinstance" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Course instance id (if using course criteria type)"/>
<FIELD NAME="enrolperiod" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Number of days after enrolment the course is completed (if using enrolperiod criteria type)"/>
<FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Timestamp of the date for course completion (if using date criteria type)"/>
<FIELD NAME="gradepass" TYPE="number" LENGTH="10" NOTNULL="false" SEQUENCE="false" DECIMALS="5" COMMENT="The minimum grade needed to pass the course (if passing grade criteria enabled)"/>
<FIELD NAME="role" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_completion_crit_compl" COMMENT="Course completion user records">
<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="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="criteriaid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Completion criteria this references"/>
<FIELD NAME="gradefinal" TYPE="number" LENGTH="10" NOTNULL="false" SEQUENCE="false" DECIMALS="5" COMMENT="The final grade for the course (included regardless of whether a passing grade was required)"/>
<FIELD NAME="unenroled" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Timestamp when the user was unenroled"/>
<FIELD NAME="timecompleted" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
<INDEX NAME="criteriaid" UNIQUE="false" FIELDS="criteriaid"/>
<INDEX NAME="timecompleted" UNIQUE="false" FIELDS="timecompleted"/>
<INDEX NAME="useridcoursecriteriaid" UNIQUE="true" FIELDS="userid, course, criteriaid"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_completions" COMMENT="Course completion records">
<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="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeenrolled" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timestarted" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timecompleted" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="reaggregate" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
<INDEX NAME="timecompleted" UNIQUE="false" FIELDS="timecompleted"/>
<INDEX NAME="useridcourse" UNIQUE="true" FIELDS="userid, course"/>
</INDEXES>
</TABLE>
<TABLE NAME="enrol" COMMENT="Instances of enrolment plugins used in courses, fields marked as custom have a plugin defined meaning, core does not touch them. Create a new linked table if you need even more custom fields.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="enrol" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="0..9 are system constants, 0 means active enrolment, see ENROL_STATUS_* constants, plugins may define own status greater than 10"/>
<FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="order of enrol plugins in each course"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Optional instance name"/>
<FIELD NAME="enrolperiod" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - enrolment duration"/>
<FIELD NAME="enrolstartdate" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - start of self enrolment"/>
<FIELD NAME="enrolenddate" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - end of enrolment"/>
<FIELD NAME="expirynotify" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - notify users before expiration"/>
<FIELD NAME="expirythreshold" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - when should be the participants notified"/>
<FIELD NAME="notifyall" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - Notify both participant and person responsible for enrolments"/>
<FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - enrolment or access password"/>
<FIELD NAME="cost" TYPE="char" LENGTH="20" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - enrolment cost"/>
<FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - cost currency"/>
<FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="Custom - the default role given to participants who self-enrol"/>
<FIELD NAME="customint1" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint2" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint3" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint4" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint5" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint6" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint7" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customint8" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general int"/>
<FIELD NAME="customchar1" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general short name"/>
<FIELD NAME="customchar2" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general short name"/>
<FIELD NAME="customchar3" TYPE="char" LENGTH="1333" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general short name"/>
<FIELD NAME="customdec1" TYPE="number" LENGTH="12" NOTNULL="false" SEQUENCE="false" DECIMALS="7" COMMENT="Custom - general decimal"/>
<FIELD NAME="customdec2" TYPE="number" LENGTH="12" NOTNULL="false" SEQUENCE="false" DECIMALS="7" COMMENT="Custom - general decimal"/>
<FIELD NAME="customtext1" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general text"/>
<FIELD NAME="customtext2" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general text"/>
<FIELD NAME="customtext3" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general text"/>
<FIELD NAME="customtext4" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom - general text"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="enrol" UNIQUE="false" FIELDS="enrol"/>
</INDEXES>
</TABLE>
<TABLE NAME="user_enrolments" COMMENT="Users participating in courses (aka enrolled users) - everybody who is participating/visible in course, that means both teachers and students">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="0..9 are system constants, 0 means active participation, see ENROL_PARTICIPATION_* constants, plugins may define own status greater than 10"/>
<FIELD NAME="enrolid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" 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="2147483647" SEQUENCE="false"/>
<FIELD NAME="modifierid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="enrolid" TYPE="foreign" FIELDS="enrolid" REFTABLE="enrol" REFFIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="modifierid" TYPE="foreign" FIELDS="modifierid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="enrolid-userid" UNIQUE="true" FIELDS="enrolid, userid" COMMENT="Only one enrolment per plugin allowed"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_modules" COMMENT="course_modules table retrofitted from MySQL">
<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="module" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="customizable idnumber"/>
<FIELD NAME="added" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="score" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="indent" TYPE="int" LENGTH="5" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="visibleoncoursepage" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="If stealth visibility is allowed for the course, this controls whether activity is visible on course page"/>
<FIELD NAME="visibleold" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="completion" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether the completion-tracking facilities are enabled for this activity. 0 = not enabled (database default) 1 = manual tracking, user can tick this activity off (UI default for most activity types) 2 = automatic tracking, system should mark completion according to rules specified in course_moduleS_completion"/>
<FIELD NAME="completiongradeitemnumber" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Grade-item number used to track automatic completion, if applicable."/>
<FIELD NAME="completionview" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Controls whether a page view is part of the automatic completion requirements for this activity. 0 = view not required 1 = view required"/>
<FIELD NAME="completionexpected" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Date at which students are expected to complete this activity. This field is used when displaying student progress."/>
<FIELD NAME="completionpassgrade" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Enable completion check on passing grade."/>
<FIELD NAME="showdescription" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Some module types support a 'description' which shows within the module pages. This option controls whether it also displays on the course main page. 0 = does not display (default), 1 = displays"/>
<FIELD NAME="availability" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Availability restrictions for viewing this activity, in JSON format. Null if no restrictions."/>
<FIELD NAME="deletioninprogress" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="downloadcontent" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="1" SEQUENCE="false" COMMENT="Whether the ability to download course module content is enabled for this activity"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="groupingid" TYPE="foreign" FIELDS="groupingid" REFTABLE="groupings" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="visible" UNIQUE="false" FIELDS="visible"/>
<INDEX NAME="course" UNIQUE="false" FIELDS="course"/>
<INDEX NAME="module" UNIQUE="false" FIELDS="module"/>
<INDEX NAME="instance" UNIQUE="false" FIELDS="instance"/>
<INDEX NAME="idnumber-course" UNIQUE="false" FIELDS="idnumber, course" COMMENT="non unique index (although programatically we are guarantying some sort of uniqueness both under this table and the grade_items one). TODO: We need a central store of module idnumbers in the future."/>
</INDEXES>
</TABLE>
<TABLE NAME="course_modules_completion" COMMENT="Stores the completion state (completed or not completed, etc) of each user on each activity.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Activity that has been completed (or not)."/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="ID of user who has (or hasn't) completed the activity."/>
<FIELD NAME="completionstate" TYPE="int" LENGTH="1" NOTNULL="true" SEQUENCE="false" COMMENT="Whether or not the user has completed the activity. Available states: 0 = not completed [if there's no row in this table, that also counts as 0] 1 = completed 2 = completed, show passed 3 = completed, show failed"/>
<FIELD NAME="viewed" TYPE="int" LENGTH="1" NOTNULL="false" SEQUENCE="false" COMMENT="Tracks whether or not this activity has been viewed. NULL = we are not tracking viewed for this activity 0 = not viewed 1 = viewed"/>
<FIELD NAME="overrideby" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="Tracks whether this completion state has been set manually to override a previous state."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Time at which the completion state last changed."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="coursemoduleid" UNIQUE="false" FIELDS="coursemoduleid" COMMENT="For quick access via course-module (e.g. when displaying course module settings page and we need to determine whether anyone has completed it)."/>
<INDEX NAME="userid-coursemoduleid" UNIQUE="true" FIELDS="userid, coursemoduleid"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_sections" COMMENT="to define the sections for each course">
<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="section" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="summary" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="summaryformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="sequence" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="availability" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Availability restrictions for viewing this section, in JSON format. Null if no restrictions."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time at which the course section was last changed."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="course_section" UNIQUE="true" FIELDS="course, section"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_request" COMMENT="course requests">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="summary" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="summaryformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="reason" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="requester" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="shortname" UNIQUE="false" FIELDS="shortname"/>
</INDEXES>
</TABLE>
<TABLE NAME="course_format_options" COMMENT="Stores format-specific options for the course or course section">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Id of the course"/>
<FIELD NAME="format" TYPE="char" LENGTH="21" NOTNULL="true" SEQUENCE="false" COMMENT="Format this option is for"/>
<FIELD NAME="sectionid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Null if this is a course option, otherwise id of the section this option is for"/>
<FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" COMMENT="Name of the format option"/>
<FIELD NAME="value" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Value of the format option"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="formatoption" UNIQUE="true" FIELDS="courseid, format, sectionid, name"/>
</INDEXES>
</TABLE>
<TABLE NAME="filter_active" COMMENT="Stores information about which filters are active in which contexts. Also the filter sort order. See get_active_filters in lib/filterlib.php for how this data is used.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="The filter internal name, like 'tex'."/>
<FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="References context.id."/>
<FIELD NAME="active" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false" COMMENT="Whether this filter is active in this context. +1 = On, -1 = Off, no row with this contextid = inherit. As a special case, when contextid points to the system context, -9999 means this filter is completely disabled."/>
<FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Only relevant if contextid points to the system context. In other cases this field should contain 0. The order in which the filters should be applied."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="contextid" TYPE="foreign" FIELDS="contextid" REFTABLE="context" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="contextid-filter" UNIQUE="true" FIELDS="contextid, filter"/>
</INDEXES>
</TABLE>
<TABLE NAME="filter_config" COMMENT="Stores per-context configuration settings for filters which have them.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="The filter internal name, like 'tex'."/>
<FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="References context.id."/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The config variable name."/>
<FIELD NAME="value" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="The correspoding config variable value."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="contextid" TYPE="foreign" FIELDS="contextid" REFTABLE="context" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="contextid-filter-name" UNIQUE="true" FIELDS="contextid, filter, name" COMMENT="In each context, at most one value per name per filter."/>
</INDEXES>
</TABLE>
<TABLE NAME="event" COMMENT="For everything with a time associated to it">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="name" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="description" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="groupid" 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="repeatid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="Component that created this event, if specified, only component itself can edit and delete it"/>
<FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="type" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="eventtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeduration" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timesort" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="uuid" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="sequence" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="subscriptionid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The event_subscription id this event is associated with."/>
<FIELD NAME="priority" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The event's display priority. For multiple events with the same module name, instance and eventtype (e.g. for group overrides), the one with the higher priority will be displayed."/>
<FIELD NAME="location" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Event Location"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="categoryid" TYPE="foreign" FIELDS="categoryid" REFTABLE="course_categories" REFFIELDS="id"/>
<KEY NAME="subscriptionid" TYPE="foreign" FIELDS="subscriptionid" REFTABLE="event_subscriptions" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="courseid" UNIQUE="false" FIELDS="courseid"/>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="timestart" UNIQUE="false" FIELDS="timestart"/>
<INDEX NAME="timeduration" UNIQUE="false" FIELDS="timeduration"/>
<INDEX NAME="uuid" UNIQUE="false" FIELDS="uuid"/>
<INDEX NAME="type-timesort" UNIQUE="false" FIELDS="type, timesort"/>
<INDEX NAME="groupid-courseid-categoryid-visible-userid" UNIQUE="false" FIELDS="groupid, courseid, categoryid, visible, userid" COMMENT="used for calendar view"/>
<INDEX NAME="eventtype" UNIQUE="false" FIELDS="eventtype"/>
<INDEX NAME="component" UNIQUE="false" FIELDS="component, eventtype, instance"/>
<INDEX NAME="modulename-instance-eventtype" UNIQUE="false" FIELDS="modulename, instance, eventtype" COMMENT="Improve performance on assign adhoc tasks."/>
</INDEXES>
</TABLE>
<TABLE NAME="cache_filters" COMMENT="For keeping information about cached data">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="rawtext" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="filter_md5key" UNIQUE="false" FIELDS="filter, md5key"/>
</INDEXES>
</TABLE>
<TABLE NAME="log" COMMENT="Every action is logged as far as possible">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="time" 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="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="cmid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="url" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="course-module-action" UNIQUE="false" FIELDS="course, module, action"/>
<INDEX NAME="time" UNIQUE="false" FIELDS="time"/>
<INDEX NAME="action" UNIQUE="false" FIELDS="action"/>
<INDEX NAME="userid-course" UNIQUE="false" FIELDS="userid, course"/>
<INDEX NAME="cmid" UNIQUE="false" FIELDS="cmid"/>
</INDEXES>
</TABLE>
<TABLE NAME="log_queries" COMMENT="Logged database queries.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="qtype" TYPE="int" LENGTH="5" NOTNULL="true" SEQUENCE="false" COMMENT="query type constant"/>
<FIELD NAME="sqltext" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="query sql"/>
<FIELD NAME="sqlparams" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="query parameters"/>
<FIELD NAME="error" TYPE="int" LENGTH="5" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="is error"/>
<FIELD NAME="info" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="detailed info such as error text"/>
<FIELD NAME="backtrace" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="php execution trace"/>
<FIELD NAME="exectime" TYPE="number" LENGTH="10" NOTNULL="true" SEQUENCE="false" DECIMALS="5" COMMENT="query execution time in seconds as float"/>
<FIELD NAME="timelogged" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="timestamp when log info stored into db"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
</TABLE>
<TABLE NAME="log_display" COMMENT="For a particular module/action, specifies a moodle table/field">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="mtable" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="field" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" COMMENT="owner of the log action"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="module-action" UNIQUE="true" FIELDS="module, action"/>
</INDEXES>
</TABLE>
<TABLE NAME="message" COMMENT="Stores all unread messages">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="subject" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="The message subject"/>
<FIELD NAME="fullmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="The format of the full message"/>
<FIELD NAME="fullmessagehtml" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="html format of message"/>
<FIELD NAME="smallmessage" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Smal version of message (eg sms)"/>
<FIELD NAME="notification" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="contexturl" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="If this message is a notification of an event contexturl should contain a link to view this event. For example if its a notification of a forum post contexturl should contain a link to the forum post."/>
<FIELD NAME="contexturlname" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Display text for the contexturl"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeuserfromdeleted" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeusertodeleted" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="eventtype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="customdata" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom data to be passed to the message processor. Must be serialisable using json_encode()"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="useridfromtodeleted" UNIQUE="false" FIELDS="useridfrom, useridto, timeuserfromdeleted, timeusertodeleted"/>
<INDEX NAME="useridfrom_timeuserfromdeleted_notification" UNIQUE="false" FIELDS="useridfrom, timeuserfromdeleted, notification"/>
<INDEX NAME="useridto_timeusertodeleted_notification" UNIQUE="false" FIELDS="useridto, timeusertodeleted, notification"/>
</INDEXES>
</TABLE>
<TABLE NAME="message_read" COMMENT="Stores all messages that have been read">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="subject" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="The message subject"/>
<FIELD NAME="fullmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="The format of the full message"/>
<FIELD NAME="fullmessagehtml" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="html format of message"/>
<FIELD NAME="smallmessage" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Smal version of message (eg sms)"/>
<FIELD NAME="notification" TYPE="int" LENGTH="1" NOTNULL="false" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="contexturl" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="If this message is a notification of an event contexturl should contain a link to view this event. For example if its a notification of a forum post contexturl should contain a link to the forum post."/>
<FIELD NAME="contexturlname" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Display text for the contexturl"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeread" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeuserfromdeleted" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeusertodeleted" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="eventtype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="useridfromtodeleted" UNIQUE="false" FIELDS="useridfrom, useridto, timeuserfromdeleted, timeusertodeleted"/>
<INDEX NAME="notificationtimeread" UNIQUE="false" FIELDS="notification, timeread"/>
<INDEX NAME="useridfrom_timeuserfromdeleted_notification" UNIQUE="false" FIELDS="useridfrom, timeuserfromdeleted, notification"/>
<INDEX NAME="useridto_timeusertodeleted_notification" UNIQUE="false" FIELDS="useridto, timeusertodeleted, notification"/>
</INDEXES>
</TABLE>
<TABLE NAME="messages" COMMENT="Stores all messages">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="conversationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="subject" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="fullmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="fullmessageformat" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="fullmessagehtml" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="smallmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="fullmessagetrust" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="customdata" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom data to be passed to the message processor. Must be serialisable using json_encode()"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="useridfrom" TYPE="foreign" FIELDS="useridfrom" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="conversationid" TYPE="foreign" FIELDS="conversationid" REFTABLE="message_conversations" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="conversationid_timecreated" UNIQUE="false" FIELDS="conversationid, timecreated"/>
</INDEXES>
</TABLE>
<TABLE NAME="message_conversations" COMMENT="Stores all message conversations">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="convhash" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="Defines the Moodle component which the area was added to"/>
<FIELD NAME="itemtype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The context id of the itemid or course of the itemtype was added"/>
<FIELD NAME="enabled" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="contextid" TYPE="foreign" FIELDS="contextid" REFTABLE="context" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="type" UNIQUE="false" FIELDS="type"/>
<INDEX NAME="convhash" UNIQUE="false" FIELDS="convhash"/>
<INDEX NAME="component-itemtype-itemid-contextid" UNIQUE="false" FIELDS="component, itemtype, itemid, contextid"/>
</INDEXES>
</TABLE>
<TABLE NAME="message_conversation_members" COMMENT="Stores all members in a conversations">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="conversationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="conversationid" TYPE="foreign" FIELDS="conversationid" REFTABLE="message_conversations" REFFIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
</TABLE>
<TABLE NAME="message_conversation_actions" COMMENT="Stores all per-user actions on individual conversations">
<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="conversationid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="conversationid" TYPE="foreign" FIELDS="conversationid" REFTABLE="message_conversations" REFFIELDS="id"/>
</KEYS>
</TABLE>
<TABLE NAME="message_user_actions" COMMENT="Stores all per-user actions on individual messages">
<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="messageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="messageid" TYPE="foreign" FIELDS="messageid" REFTABLE="messages" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid_messageid_action" UNIQUE="true" FIELDS="userid, messageid, action"/>
</INDEXES>
</TABLE>
<TABLE NAME="notifications" COMMENT="Stores all notifications">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="subject" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="The message subject"/>
<FIELD NAME="fullmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="fullmessageformat" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="fullmessagehtml" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="smallmessage" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="eventtype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="contexturl" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="contexturlname" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="timeread" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="customdata" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Custom data to be passed to the message processor. Must be serialisable using json_encode()"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="useridto" TYPE="foreign" FIELDS="useridto" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="useridfrom" UNIQUE="false" FIELDS="useridfrom" COMMENT="The useridfrom would normally be a foreign key to the users table. But it can also contain some extra negative values with special semantics (-10 or -20 for no-reply or support user). Therefore we can't make it a foreign key and the index must be created explicitly."/>
</INDEXES>
</TABLE>
<TABLE NAME="message_contacts" COMMENT="Maintains lists of contacts between users">
<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="contactid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="contactid" TYPE="foreign" FIELDS="contactid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-contactid" UNIQUE="true" FIELDS="userid, contactid"/>
</INDEXES>
</TABLE>
<TABLE NAME="message_contact_requests" COMMENT="Maintains list of contact requests between users">
<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="requesteduserid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="requesteduserid" TYPE="foreign" FIELDS="requesteduserid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-requesteduserid" UNIQUE="true" FIELDS="userid, requesteduserid"/>
</INDEXES>
</TABLE>
<TABLE NAME="message_users_blocked" COMMENT="Maintains lists of blocked users">
<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="blockeduserid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
<KEY NAME="blockeduserid" TYPE="foreign" FIELDS="blockeduserid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-blockeduserid" UNIQUE="true" FIELDS="userid, blockeduserid"/>
</INDEXES>
</TABLE>
<TABLE NAME="modules" COMMENT="modules available in the site">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="name" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="search" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="name" UNIQUE="false" FIELDS="name"/>
</INDEXES>
</TABLE>
<TABLE NAME="my_pages" COMMENT="Extra user pages for the My Moodle system">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="0" SEQUENCE="false" COMMENT="The user who owns this page or 0 for system defaults"/>
<FIELD NAME="name" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false" COMMENT="The page name (freeform text)"/>
<FIELD NAME="private" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false" COMMENT="Whether or not the page is private (dashboard) or public (profile)"/>
<FIELD NAME="sortorder" TYPE="int" LENGTH="6" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="The order of the pages for a user"/>
</FIELDS>
<KEYS>
<KEY NAME="id" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="user_idx" UNIQUE="false" FIELDS="userid, private"/>
</INDEXES>
</TABLE>
<TABLE NAME="sessions" COMMENT="Database based session storage - now recommended">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="state" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="0 means normal session"/>
<FIELD NAME="sid" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" COMMENT="Session id"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="sessdata" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="session content"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="firstip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="state" UNIQUE="false" FIELDS="state"/>
<INDEX NAME="sid" UNIQUE="true" FIELDS="sid"/>
<INDEX NAME="timecreated" UNIQUE="false" FIELDS="timecreated"/>
<INDEX NAME="timemodified" UNIQUE="false" FIELDS="timemodified"/>
</INDEXES>
</TABLE>
<TABLE NAME="user" COMMENT="One record for each person">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="auth" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="manual" SEQUENCE="false"/>
<FIELD NAME="confirmed" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="policyagreed" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="suspended" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="suspended flag prevents users to log in"/>
<FIELD NAME="mnethostid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="firstname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="lastname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="email" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="emailstop" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="phone1" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="phone2" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="institution" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="department" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="address" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="city" TYPE="char" LENGTH="120" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="country" TYPE="char" LENGTH="2" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="en" SEQUENCE="false"/>
<FIELD NAME="calendartype" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="gregorian" SEQUENCE="false"/>
<FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timezone" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="99" SEQUENCE="false"/>
<FIELD NAME="firstaccess" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lastaccess" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lastlogin" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="currentlogin" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="secret" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="picture" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="0 means no image uploaded, positive values are revisions thta prevent caching problems, negative values are reserved for future use"/>
<FIELD NAME="description" TYPE="text" NOTNULL="false" SEQUENCE="false"/>
<FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="mailformat" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="maildigest" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="maildisplay" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="2" SEQUENCE="false"/>
<FIELD NAME="autosubscribe" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
<FIELD NAME="trackforums" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="trustbitmask" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="imagealt" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="alt tag for user uploaded image"/>
<FIELD NAME="lastnamephonetic" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Last name phonetic"/>
<FIELD NAME="firstnamephonetic" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="First name phonetic"/>
<FIELD NAME="middlename" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Middle name"/>
<FIELD NAME="alternatename" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Alternate name - Useful for three-name countries."/>
<FIELD NAME="moodlenetprofile" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Moodle.net profile information"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="username" UNIQUE="true" FIELDS="mnethostid, username"/>
<INDEX NAME="deleted" UNIQUE="false" FIELDS="deleted"/>
<INDEX NAME="confirmed" UNIQUE="false" FIELDS="confirmed"/>
<INDEX NAME="firstname" UNIQUE="false" FIELDS="firstname"/>
<INDEX NAME="lastname" UNIQUE="false" FIELDS="lastname"/>
<INDEX NAME="city" UNIQUE="false" FIELDS="city"/>
<INDEX NAME="country" UNIQUE="false" FIELDS="country"/>
<INDEX NAME="lastaccess" UNIQUE="false" FIELDS="lastaccess"/>
<INDEX NAME="email" UNIQUE="false" FIELDS="email"/>
<INDEX NAME="auth" UNIQUE="false" FIELDS="auth"/>
<INDEX NAME="idnumber" UNIQUE="false" FIELDS="idnumber"/>
<INDEX NAME="firstnamephonetic" UNIQUE="false" FIELDS="firstnamephonetic"/>
<INDEX NAME="lastnamephonetic" UNIQUE="false" FIELDS="lastnamephonetic"/>
<INDEX NAME="middlename" UNIQUE="false" FIELDS="middlename"/>
<INDEX NAME="alternatename" UNIQUE="false" FIELDS="alternatename"/>
</INDEXES>
</TABLE>
<TABLE NAME="user_preferences" COMMENT="Allows modules to store arbitrary user preferences">
<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="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="value" TYPE="char" LENGTH="1333" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-name" UNIQUE="true" FIELDS="userid, name"/>
<INDEX NAME="name" UNIQUE="false" FIELDS="name"/>
</INDEXES>
</TABLE>
<TABLE NAME="user_lastaccess" COMMENT="To keep track of course page access times, used in online participants block, and participants list">
<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="courseid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timeaccess" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="userid-courseid" UNIQUE="true" FIELDS="userid, courseid"/>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid"/>
<INDEX NAME="courseid" UNIQUE="false" FIELDS="courseid"/>
</INDEXES>
</TABLE>
<TABLE NAME="user_password_history" COMMENT="A rotating log of hashes of previously used passwords for each user.">
<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="hash" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
</TABLE>
<TABLE NAME="scale" COMMENT="Defines grading scales">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="courseid" 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="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="scale" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="description" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="courseid" UNIQUE="false" FIELDS="courseid"/>
</INDEXES>
</TABLE>
<TABLE NAME="scale_history" COMMENT="History table">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants"/>
<FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="The last time this grade_item was modified"/>
<FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome"/>
<FIELD NAME="courseid" 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="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="scale" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
<FIELD NAME="description" TYPE="text" NOTNULL="true" SEQUENCE="false"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="oldid" TYPE="foreign" FIELDS="oldid" REFTABLE="scale" REFFIELDS="id"/>
<KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id"/>
<KEY NAME="loggeduser" TYPE="foreign" FIELDS="loggeduser" REFTABLE="user" REFFIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="action" UNIQUE="false" FIELDS="action" COMMENT="insert/update/delete"/>
<INDEX NAME="timemodified" UNIQUE="false" FIELDS="timemodified"/>
</INDEXES>
</TABLE>
<TABLE NAME="stats_daily" COMMENT="to accumulate daily stats">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="courseid" 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="roleid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="id of role for the aggregates"/>
<FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" COMMENT="type of stat"/>
<FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat1. usually used for reads"/>
<FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat2. usually used for writes."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="courseid" UNIQUE="false" FIELDS="courseid"/>
<INDEX NAME="timeend" UNIQUE="false" FIELDS="timeend"/>
<INDEX NAME="roleid" UNIQUE="false" FIELDS="roleid"/>