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<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="mod/quiz/report/overview/db" VERSION="20180319" COMMENT="XMLDB file for Moodle mod/quiz/report/overview"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../../../../lib/xmldb/xmldb.xsd"
>
<TABLES>
<TABLE NAME="quiz_overview_regrades" COMMENT="This table records which question attempts need regrading and the grade they will be regraded to.">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
<FIELD NAME="questionusageid" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Foreign key references question_usages.id, or equivalently quiz_attempt.uniqueid."/>
<FIELD NAME="slot" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Foreign key, references question_attempts.slot"/>
<FIELD NAME="newfraction" TYPE="number" LENGTH="12" NOTNULL="false" SEQUENCE="false" DECIMALS="7" COMMENT="The new fraction for this question_attempt after regrading."/>
<FIELD NAME="oldfraction" TYPE="number" LENGTH="12" NOTNULL="false" SEQUENCE="false" DECIMALS="7" COMMENT="The previous fraction for this question_attempt."/>
<FIELD NAME="regraded" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false" COMMENT="set to 0 if element has just been regraded. Set to 1 if element has been marked as needing regrading."/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="Timestamp of when this row was last modified."/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
<KEY NAME="questionusageid-slot" TYPE="foreign" FIELDS="questionusageid, slot" REFTABLE="question_attempts" REFFIELDS="questionusageid, slot"/>
</KEYS>
</TABLE>
</TABLES>
</XMLDB>