Jamie Pratt
6dd9362e84
as well as for first or all attempts. This commit drops a database table and then recreates it. This is in order to be able to have some new columns in the table be NOT NULL with no default value, which would not be possible if I added fields to an existing table. The quiz_statistics table is used for caching calculated values only and thus we can safely drop it and recreate it.
35 lines
2.7 KiB
XML
35 lines
2.7 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<XMLDB PATH="mod/quiz/report/statistics/db" VERSION="20130920" COMMENT="XMLDB file for Moodle mod/quiz/report/statistics"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:noNamespaceSchemaLocation="../../../../../lib/xmldb/xmldb.xsd"
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>
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<TABLES>
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<TABLE NAME="quiz_statistics" COMMENT="table to cache results from analysis done in statistics report for quizzes.">
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<FIELDS>
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<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
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<FIELD NAME="hashcode" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="sha1 hash of serialized qubaids_condition class. Unique for every combination of class name and property."/>
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<FIELD NAME="whichattempts" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false" COMMENT="bool used to indicate whether these stats are for all attempts or just for the first."/>
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<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
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<FIELD NAME="firstattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
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<FIELD NAME="highestattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
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<FIELD NAME="lastattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
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<FIELD NAME="allattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false"/>
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<FIELD NAME="firstattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="highestattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="lastattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="allattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="median" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="standarddeviation" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="skewness" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="10"/>
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<FIELD NAME="kurtosis" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="5"/>
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<FIELD NAME="cic" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="10"/>
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<FIELD NAME="errorratio" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="10"/>
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<FIELD NAME="standarderror" TYPE="number" LENGTH="15" NOTNULL="false" SEQUENCE="false" DECIMALS="10"/>
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</FIELDS>
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<KEYS>
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<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
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</KEYS>
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</TABLE>
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</TABLES>
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</XMLDB>
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