question/type/numerical/db/install.xml

   1 <?xml version="1.0" encoding="UTF-8" ?>
   2 <XMLDB PATH="question/type/numerical/db" VERSION="20171210" COMMENT="XMLDB file for Moodle question/type/numerical"
   3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   4     xsi:noNamespaceSchemaLocation="../../../../lib/xmldb/xmldb.xsd"
   5 >
   6   <TABLES>
   7     <TABLE NAME="question_numerical" COMMENT="Options for numerical questions.">
   8       <FIELDS>
   9         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  10         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Redundant, because of the answer field. Foreign key references question.id."/>
  11         <FIELD NAME="answer" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question_answers.id."/>
  12         <FIELD NAME="tolerance" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="0.0" SEQUENCE="false" COMMENT="Allowed error when matching a response to this answer. I don't know why this is stored as a string."/>
  13       </FIELDS>
  14       <KEYS>
  15         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  16         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id"/>
  17       </KEYS>
  18       <INDEXES>
  19         <INDEX NAME="answer" UNIQUE="false" FIELDS="answer"/>
  20       </INDEXES>
  21     </TABLE>
  22     <TABLE NAME="question_numerical_options" COMMENT="Options for questions of type numerical This table is also used by the calculated question type">
  23       <FIELDS>
  24         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  25         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
  26         <FIELD NAME="showunits" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="How units are handled: 3) Not used at all, 0) Optional, or 1) must be right or penalty applied."/>
  27         <FIELD NAME="unitsleft" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="display the unit at left as in $1.00"/>
  28         <FIELD NAME="unitgradingtype" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="0 no penalty, 1 fraction response grade, 2 fraction total grade"/>
  29         <FIELD NAME="unitpenalty" TYPE="number" LENGTH="12" NOTNULL="true" DEFAULT="0.1" SEQUENCE="false" DECIMALS="7" COMMENT="Penalty for getting the unit wrong, when they are being graded."/>
  30       </FIELDS>
  31       <KEYS>
  32         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  33         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id"/>
  34       </KEYS>
  35     </TABLE>
  36     <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions. This table is also used by the calculated question type.">
  37       <FIELDS>
  38         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
  39         <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id"/>
  40         <FIELD NAME="multiplier" TYPE="number" LENGTH="38" NOTNULL="true" DEFAULT="1.00000000000000000000" SEQUENCE="false" DECIMALS="19" COMMENT="The multiplier for this unit. For example, if the first unit is (1.0, 'cm'), another unit might be (0.1, 'mm') or (100.0, 'm')."/>
  41         <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" COMMENT="The unit. For example 'm' or 'kg'."/>
  42       </FIELDS>
  43       <KEYS>
  44         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
  45         <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id"/>
  46       </KEYS>
  47       <INDEXES>
  48         <INDEX NAME="question-unit" UNIQUE="true" FIELDS="question, unit" COMMENT="Unique index to ensure that only one unit with a particular name is created for each question."/>
  49       </INDEXES>
  50     </TABLE>
  51   </TABLES>
  52 </XMLDB>