<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
</TABLE>
- <TABLE NAME="user_info_data" COMMENT="Data for the customisable user fields" PREVIOUS="user_info_category" NEXT="mnet_enrol_course">
+ <TABLE NAME="user_info_data" COMMENT="Data for the customisable user fields" PREVIOUS="user_info_category" NEXT="question_categories">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id from the user table" PREVIOUS="id" NEXT="fieldid"/>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
</TABLE>
- <TABLE NAME="mnet_enrol_course" COMMENT="Information about courses on remote hosts" PREVIOUS="user_info_data" NEXT="mnet_enrol_assignments">
+ <TABLE NAME="question_categories" COMMENT="Categories are for grouping questions" PREVIOUS="user_info_data" NEXT="question">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
+ <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
+ <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="context that this category is shared in" PREVIOUS="name" NEXT="info"/>
+ <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="stamp"/>
+ <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="parent"/>
+ <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="sortorder"/>
+ <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" ENUM="false" PREVIOUS="parent"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="parent"/>
+ <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question_categories" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="primary"/>
+ </KEYS>
+ <INDEXES>
+ <INDEX NAME="contextid" UNIQUE="false" FIELDS="contextid" COMMENT="links to context table"/>
+ </INDEXES>
+ </TABLE>
+ <TABLE NAME="question" COMMENT="The questions themselves" PREVIOUS="question_categories" NEXT="question_answers">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
+ <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
+ <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="name"/>
+ <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="questiontext"/>
+ <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="questiontextformat"/>
+ <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext" NEXT="image"/>
+ <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
+ <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
+ <FIELD NAME="defaultgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="generalfeedback" NEXT="penalty"/>
+ <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" ENUM="false" PREVIOUS="defaultgrade" NEXT="qtype"/>
+ <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="penalty" NEXT="length"/>
+ <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="stamp"/>
+ <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="length" NEXT="version"/>
+ <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="hidden"/>
+ <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="timecreated"/>
+ <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time question was created" PREVIOUS="hidden" NEXT="timemodified"/>
+ <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time that question was last modified" PREVIOUS="timecreated" NEXT="createdby"/>
+ <FIELD NAME="createdby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who created this question" PREVIOUS="timemodified" NEXT="modifiedby"/>
+ <FIELD NAME="modifiedby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who last edited this question" PREVIOUS="createdby"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
+ <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary" NEXT="parent"/>
+ <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="category" NEXT="createdby"/>
+ <KEY NAME="createdby" TYPE="foreign" FIELDS="createdby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (createdby) references user (id)" PREVIOUS="parent" NEXT="modifiedby"/>
+ <KEY NAME="modifiedby" TYPE="foreign" FIELDS="modifiedby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (modifiedby) references user (id)" PREVIOUS="createdby"/>
+ </KEYS>
+ </TABLE>
+ <TABLE NAME="question_answers" COMMENT="Answers, with a fractional grade (0-1) and feedback" PREVIOUS="question" NEXT="question_attempts">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
+ <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
+ <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="fraction"/>
+ <FIELD NAME="fraction" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="feedback"/>
+ <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fraction"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
+ <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
+ </KEYS>
+ </TABLE>
+ <TABLE NAME="question_attempts" COMMENT="Student attempts. This table gets extended by the modules" PREVIOUS="question_answers" NEXT="question_states">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="modulename"/>
+ <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+ </KEYS>
+ </TABLE>
+ <TABLE NAME="question_states" COMMENT="Stores user responses to an attempt, and percentage grades" PREVIOUS="question_attempts" NEXT="question_sessions">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
+ <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
+ <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="originalquestion"/>
+ <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="seq_number"/>
+ <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="answer"/>
+ <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="seq_number" NEXT="timestamp"/>
+ <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="event"/>
+ <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestamp" NEXT="grade"/>
+ <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="event" NEXT="raw_grade"/>
+ <FIELD NAME="raw_grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="penalty"/>
+ <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="raw_grade"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
+ <KEY NAME="attempt" TYPE="foreign" FIELDS="attempt" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
+ <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="attempt"/>
+ </KEYS>
+ </TABLE>
+ <TABLE NAME="question_sessions" COMMENT="Gives ids of the newest open and newest graded states" PREVIOUS="question_states" NEXT="mnet_enrol_course">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attemptid"/>
+ <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
+ <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attemptid" NEXT="newest"/>
+ <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="newgraded"/>
+ <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newest" NEXT="sumpenalty"/>
+ <FIELD NAME="sumpenalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newgraded" NEXT="manualcomment"/>
+ <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sumpenalty"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attemptid"/>
+ <KEY NAME="attemptid" TYPE="foreign" FIELDS="attemptid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="questionid"/>
+ <KEY NAME="questionid" TYPE="foreign" FIELDS="questionid" REFTABLE="question" REFFIELDS="id" PREVIOUS="attemptid" NEXT="newest"/>
+ <KEY NAME="newest" TYPE="foreign" FIELDS="newest" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="questionid" NEXT="newgraded"/>
+ <KEY NAME="newgraded" TYPE="foreign" FIELDS="newgraded" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="newest"/>
+ </KEYS>
+ <INDEXES>
+ <INDEX NAME="attemptid-questionid" UNIQUE="true" FIELDS="attemptid, questionid"/>
+ </INDEXES>
+ </TABLE>
+ <TABLE NAME="mnet_enrol_course" COMMENT="Information about courses on remote hosts" PREVIOUS="question_sessions" NEXT="mnet_enrol_assignments">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique remote-course ID" NEXT="hostid"/>
<FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="remoteid"/>
xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
>
<TABLES>
- <TABLE NAME="question_categories" COMMENT="Categories are for grouping questions" NEXT="question">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
- <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
- <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="context that this category is shared in" PREVIOUS="name" NEXT="info"/>
- <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="stamp"/>
- <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="parent"/>
- <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="sortorder"/>
- <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" ENUM="false" PREVIOUS="parent"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="parent"/>
- <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question_categories" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="primary"/>
- </KEYS>
- <INDEXES>
- <INDEX NAME="contextid" UNIQUE="false" FIELDS="contextid" COMMENT="links to context table"/>
- </INDEXES>
- </TABLE>
- <TABLE NAME="question" COMMENT="The questions themselves" PREVIOUS="question_categories" NEXT="question_answers">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
- <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
- <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="name"/>
- <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="questiontext"/>
- <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="questiontextformat"/>
- <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext" NEXT="image"/>
- <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
- <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
- <FIELD NAME="defaultgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="generalfeedback" NEXT="penalty"/>
- <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" ENUM="false" PREVIOUS="defaultgrade" NEXT="qtype"/>
- <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="penalty" NEXT="length"/>
- <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="stamp"/>
- <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="length" NEXT="version"/>
- <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="hidden"/>
- <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="timecreated"/>
- <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time question was created" PREVIOUS="hidden" NEXT="timemodified"/>
- <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time that question was last modified" PREVIOUS="timecreated" NEXT="createdby"/>
- <FIELD NAME="createdby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who created this question" PREVIOUS="timemodified" NEXT="modifiedby"/>
- <FIELD NAME="modifiedby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who last edited this question" PREVIOUS="createdby"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
- <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary" NEXT="parent"/>
- <KEY NAME="parent" TYPE="foreign" FIELDS="parent" REFTABLE="question" REFFIELDS="id" COMMENT="note that to make this recursive FK working someday, the parent field must be declared NULL" PREVIOUS="category" NEXT="createdby"/>
- <KEY NAME="createdby" TYPE="foreign" FIELDS="createdby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (createdby) references user (id)" PREVIOUS="parent" NEXT="modifiedby"/>
- <KEY NAME="modifiedby" TYPE="foreign" FIELDS="modifiedby" REFTABLE="user" REFFIELDS="id" COMMENT="foreign (modifiedby) references user (id)" PREVIOUS="createdby"/>
- </KEYS>
- </TABLE>
- <TABLE NAME="question_answers" COMMENT="Answers, with a fractional grade (0-1) and feedback" PREVIOUS="question" NEXT="question_dataset_definitions">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
- <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
- <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="fraction"/>
- <FIELD NAME="fraction" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="feedback"/>
- <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fraction"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
- <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
- </KEYS>
- </TABLE>
- <TABLE NAME="question_dataset_definitions" COMMENT="Organises and stores properties for dataset items" PREVIOUS="question_answers" NEXT="question_dataset_items">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
- <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
- <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="type"/>
- <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="options"/>
- <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="itemcount"/>
- <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
- <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary"/>
- </KEYS>
- </TABLE>
- <TABLE NAME="question_dataset_items" COMMENT="Individual dataset items" PREVIOUS="question_dataset_definitions" NEXT="question_datasets">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="definition"/>
- <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemnumber"/>
- <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="value"/>
- <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemnumber"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
- </KEYS>
- <INDEXES>
- <INDEX NAME="definition" UNIQUE="false" FIELDS="definition"/>
- </INDEXES>
- </TABLE>
- <TABLE NAME="question_datasets" COMMENT="Many-many relation between questions and dataset definitions" PREVIOUS="question_dataset_items" NEXT="question_numerical_units">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
- <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="datasetdefinition"/>
- <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
- <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary" NEXT="datasetdefinition"/>
- <KEY NAME="datasetdefinition" TYPE="foreign" FIELDS="datasetdefinition" REFTABLE="question_dataset_definitions" REFFIELDS="id" PREVIOUS="question"/>
- </KEYS>
- <INDEXES>
- <INDEX NAME="question-datasetdefinition" UNIQUE="false" FIELDS="question, datasetdefinition"/>
- </INDEXES>
- </TABLE>
- <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions" PREVIOUS="question_datasets" NEXT="question_attempts">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
- <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="multiplier"/>
- <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" ENUM="false" DECIMALS="20" PREVIOUS="question" NEXT="unit"/>
- <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="multiplier"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
- <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
- </KEYS>
- <INDEXES>
- <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."/>
- </INDEXES>
- </TABLE>
- <TABLE NAME="question_attempts" COMMENT="Student attempts. This table gets extended by the modules" PREVIOUS="question_numerical_units" NEXT="question_states">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="modulename"/>
- <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
- </KEYS>
- </TABLE>
- <TABLE NAME="question_states" COMMENT="Stores user responses to an attempt, and percentage grades" PREVIOUS="question_attempts" NEXT="question_sessions">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
- <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
- <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="originalquestion"/>
- <FIELD NAME="originalquestion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="seq_number"/>
- <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="originalquestion" NEXT="answer"/>
- <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="seq_number" NEXT="timestamp"/>
- <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="event"/>
- <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestamp" NEXT="grade"/>
- <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="event" NEXT="raw_grade"/>
- <FIELD NAME="raw_grade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="penalty"/>
- <FIELD NAME="penalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="raw_grade"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
- <KEY NAME="attempt" TYPE="foreign" FIELDS="attempt" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="question"/>
- <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="attempt"/>
- </KEYS>
- </TABLE>
- <TABLE NAME="question_sessions" COMMENT="Gives ids of the newest open and newest graded states" PREVIOUS="question_states" NEXT="quiz">
- <FIELDS>
- <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attemptid"/>
- <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
- <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attemptid" NEXT="newest"/>
- <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="newgraded"/>
- <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newest" NEXT="sumpenalty"/>
- <FIELD NAME="sumpenalty" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newgraded" NEXT="manualcomment"/>
- <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sumpenalty"/>
- </FIELDS>
- <KEYS>
- <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attemptid"/>
- <KEY NAME="attemptid" TYPE="foreign" FIELDS="attemptid" REFTABLE="question_attempts" REFFIELDS="id" PREVIOUS="primary" NEXT="questionid"/>
- <KEY NAME="questionid" TYPE="foreign" FIELDS="questionid" REFTABLE="question" REFFIELDS="id" PREVIOUS="attemptid" NEXT="newest"/>
- <KEY NAME="newest" TYPE="foreign" FIELDS="newest" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="questionid" NEXT="newgraded"/>
- <KEY NAME="newgraded" TYPE="foreign" FIELDS="newgraded" REFTABLE="question_states" REFFIELDS="id" PREVIOUS="newest"/>
- </KEYS>
- <INDEXES>
- <INDEX NAME="attemptid-questionid" UNIQUE="true" FIELDS="attemptid, questionid"/>
- </INDEXES>
- </TABLE>
- <TABLE NAME="quiz" COMMENT="Main information about each quiz" PREVIOUS="question_sessions" NEXT="quiz_attempts">
+ <TABLE NAME="quiz" COMMENT="Main information about each quiz" NEXT="quiz_attempts">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
<FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
<?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="question/type/calculated/db" VERSION="20060812" COMMENT="XMLDB file for Moodle question/type/calculated">
+<XMLDB PATH="question/type/calculated/db" VERSION="20060812" COMMENT="XMLDB file for Moodle question/type/calculated. This question type also relies on the question_numerical_units table created by the numerical question type, and the tables created by the datasetdependent question type base class.">
<TABLES>
<TABLE NAME="question_calculated" COMMENT="Options for questions of type calculated">
<FIELDS>
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" ?>
+<XMLDB PATH="question/type/calculated/db" VERSION="20060812" COMMENT="XMLDB file for Moodle question/type/calculated">
+ <TABLES>
+ <TABLE NAME="question_dataset_definitions" COMMENT="Organises and stores properties for dataset items" NEXT="question_dataset_items">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
+ <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
+ <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="type"/>
+ <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="options"/>
+ <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="itemcount"/>
+ <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
+ <KEY NAME="category" TYPE="foreign" FIELDS="category" REFTABLE="question_categories" REFFIELDS="id" PREVIOUS="primary"/>
+ </KEYS>
+ </TABLE>
+ <TABLE NAME="question_dataset_items" COMMENT="Individual dataset items" PREVIOUS="question_dataset_definitions" NEXT="question_datasets">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="definition"/>
+ <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemnumber"/>
+ <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="value"/>
+ <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemnumber"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+ </KEYS>
+ <INDEXES>
+ <INDEX NAME="definition" UNIQUE="false" FIELDS="definition"/>
+ </INDEXES>
+ </TABLE>
+ <TABLE NAME="question_datasets" COMMENT="Many-many relation between questions and dataset definitions" PREVIOUS="question_dataset_items">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
+ <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="datasetdefinition"/>
+ <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
+ <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary" NEXT="datasetdefinition"/>
+ <KEY NAME="datasetdefinition" TYPE="foreign" FIELDS="datasetdefinition" REFTABLE="question_dataset_definitions" REFFIELDS="id" PREVIOUS="question"/>
+ </KEYS>
+ <INDEXES>
+ <INDEX NAME="question-datasetdefinition" UNIQUE="false" FIELDS="question, datasetdefinition"/>
+ </INDEXES>
+ </TABLE>
+ </TABLES>
+</XMLDB>
--- /dev/null
+<?php // $Id$
+
+// This file keeps track of upgrades to
+// the datasetdependent abstract qtype plugin
+//
+// Sometimes, changes between versions involve
+// alterations to database structures and other
+// major things that may break installations.
+//
+// The upgrade function in this file will attempt
+// to perform all the necessary actions to upgrade
+// your older installtion to the current version.
+//
+// If there's something it cannot do itself, it
+// will tell you what you need to do.
+//
+// The commands in here will all be database-neutral,
+// using the methods of database_manager class
+
+function xmldb_qtype_datasetdependent_upgrade($oldversion=0) {
+
+ global $CFG, $THEME, $DB;
+
+ $result = true;
+
+/// And upgrade begins here. For each one, you'll need one
+/// block of code similar to the next one. Please, delete
+/// this comment lines once this file start handling proper
+/// upgrade code.
+
+/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
+/// $result = result of database_manager methods
+/// }
+
+ return $result;
+}
+
+?>
<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="question/type/numerical/db" VERSION="20060812" COMMENT="XMLDB file for Moodle question/type/numerical">
<TABLES>
- <TABLE NAME="question_numerical" COMMENT="Options for numerical questions">
+ <TABLE NAME="question_numerical" COMMENT="Options for numerical questions" NEXT="question_numerical_units">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
<FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
<INDEX NAME="answer" UNIQUE="false" FIELDS="answer"/>
</INDEXES>
</TABLE>
+ <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions" PREVIOUS="question_numerical">
+ <FIELDS>
+ <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
+ <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="multiplier"/>
+ <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" ENUM="false" DECIMALS="20" PREVIOUS="question" NEXT="unit"/>
+ <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="multiplier"/>
+ </FIELDS>
+ <KEYS>
+ <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
+ <KEY NAME="question" TYPE="foreign" FIELDS="question" REFTABLE="question" REFFIELDS="id" PREVIOUS="primary"/>
+ </KEYS>
+ <INDEXES>
+ <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."/>
+ </INDEXES>
+ </TABLE>
</TABLES>
</XMLDB>
projects / moodle.git / commitdiff