function quiz_schema in Quiz 7.5
Same name and namespace in other branches
- 8.6 quiz.install \quiz_schema()
- 8.4 quiz.install \quiz_schema()
- 8.5 quiz.install \quiz_schema()
- 6.6 quiz.install \quiz_schema()
- 6.2 quiz.install \quiz_schema()
- 6.3 quiz.install \quiz_schema()
- 6.4 quiz.install \quiz_schema()
- 6.5 quiz.install \quiz_schema()
- 7.6 quiz.install \quiz_schema()
- 7 quiz.install \quiz_schema()
- 7.4 quiz.install \quiz_schema()
Implements hook_schema().
File
- ./
quiz.install, line 45 - Quiz install schema for installing the quiz module.
Code
function quiz_schema() {
$schema = array();
/*
* Connect all the quiz specific properties to the correct version of a quiz.
*/
// Create the quiz node properties table.
$schema['quiz_node_properties'] = array(
'description' => 'The base table for quiz nodes',
'fields' => array(
'qnp_id' => array(
'type' => 'serial',
'not null' => TRUE,
'description' => 'Primary identifier of a Quiz, or Quiz default settings object.',
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'The current {quiz}.vid version identifier.',
),
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'The primary identifier for the Quiz node.',
),
'uid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'User ID of the Quiz default settings object.',
),
'number_of_random_questions' => array(
'type' => 'int',
'size' => 'small',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Number of random questions to pull from the pool.',
),
'max_score_for_random' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 1,
'description' => 'Maximum score per random question.',
),
'pass_rate' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => FALSE,
'description' => 'Passing rate out of 100.',
),
'summary_pass' => array(
'type' => 'text',
'description' => 'Summary text for a passing grade.',
),
'summary_pass_format' => array(
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
'description' => 'Input format for the passing summary text.',
),
'summary_default' => array(
'type' => 'text',
'description' => 'Summary text for any grade.',
),
'summary_default_format' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'description' => 'Input format for the default summary text.',
),
'randomization' => array(
'type' => 'int',
'size' => 'small',
'not null' => TRUE,
'default' => 0,
'description' => 'Enumerated field indicating if this Quiz has random questions. 0=none, 1=random order, 2=random questions, 3=random taxonomy',
),
'backwards_navigation' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 1,
'description' => 'Boolean indicating whether a quiz taker can navigate backwards.',
),
'keep_results' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 2,
'description' => 'Enumerated field indicating if this Quiz should prune old results. 0=only keep best, 1=only keep newest, 2=keep all',
),
'repeat_until_correct' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether a quiz taker must repeat the question until selecting the correct answer.',
),
'quiz_open' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Unix timestamp when the quiz will open.',
),
'quiz_close' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Unix timestamp when the quiz will close.',
),
'takes' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Limit the number of times this Quiz can be taken by a learner. 0 for unlimited.',
),
'show_attempt_stats' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => FALSE,
'not null' => TRUE,
'default' => 1,
'description' => 'Boolean indicating whether or not to show the allowed attempts on the Quiz node.',
),
'time_limit' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Number of seconds for a user to complete an attempt.',
),
'quiz_always' => array(
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether the quiz will ignore the quiz open and close dates.',
),
'time_left' => array(
'type' => 'int',
'size' => 'small',
'not null' => TRUE,
'default' => 0,
'description' => 'Deprecated field, no longer used.',
),
'max_score' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The max score of this Quiz.',
),
'allow_skipping' => array(
'type' => 'int',
'size' => 'small',
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether the user can skip a question.',
),
'allow_resume' => array(
'type' => 'int',
'size' => 'small',
'not null' => TRUE,
'default' => 1,
'description' => 'Boolean indicating whether a user can resume a Quiz after logging out and in.',
),
'allow_jumping' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => FALSE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether a user can skip to any question.',
),
'allow_change' => array(
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 1,
'description' => 'Boolean indicating whether a user can change the answer to an already answered question.',
),
'allow_change_blank' => array(
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether a user can change the answer to a skipped question.',
),
'build_on_last' => array(
'type' => 'varchar',
'length' => '255',
'not null' => TRUE,
'default' => '',
'description' => 'Enumerated field indicating whether a user can build on the last attempt. "" for none, "correct" for correct answers only, "all" for all answers.',
),
'show_passed' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => FALSE,
'not null' => TRUE,
'default' => 1,
'description' => 'Boolean indicating whether a message should display when the user has already passed this quiz.',
),
'mark_doubtful' => array(
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether a user can mark a question as doubtful.',
),
'review_options' => array(
'type' => 'text',
'serialize' => TRUE,
'description' => 'Serialized field containing feedback times and options.',
),
'result_type' => array(
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
'description' => 'The result bundle to use.',
),
),
'primary key' => array(
'qnp_id',
),
'indexes' => array(
'quiz_id' => array(
'vid',
'nid',
),
),
);
/*
* Both a quiz and a quiz question are nodes with versions. A quiz is a parent
* node of a quiz question, making the quiz question the child.
*
* The quiz_node_relationship table stores this relationship in a way that
* allows a quiz question to be the child of multiple quizzes without losing
* version history.
*
* Future functionality will allow a quiz question to be a parent of another
* quiz question with the same data model. This will make adaptive quiz
* functionality possible without redesign.
*/
// Create the quiz node relationship table.
$schema['quiz_node_relationship'] = array(
'description' => 'Table storing what questions belong to what quizzes',
'fields' => array(
'qnr_id' => array(
'type' => 'serial',
'size' => 'normal',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The primary identifier of this relationship.',
),
'qnr_pid' => array(
'type' => 'int',
'size' => 'normal',
'unsigned' => TRUE,
'not null' => FALSE,
'default' => NULL,
'description' => 'The parent relationship of this relationship.',
),
'parent_nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The quiz that this question belongs to.',
),
'parent_vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The quiz version that this question belongs to.',
),
'child_nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The question node ID.',
),
'child_vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The question node version ID.',
),
'question_status' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 1,
'description' => 'The status of the question in this quiz. 0=random, 1=always, 2=never',
),
'weight' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The weight of this question in the Quiz.',
),
'max_score' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The max score of the question in this Quiz.',
),
'auto_update_max_score' => array(
'type' => 'int',
'size' => 'tiny',
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether updates to the question will update the max score of the question in the Quiz.',
),
),
'primary key' => array(
'qnr_id',
),
'unique keys' => array(
'parent_child' => array(
'parent_nid',
'parent_vid',
'child_nid',
'child_vid',
),
),
'indexes' => array(
'parent_id' => array(
'parent_vid',
),
'child_id' => array(
'child_vid',
),
'parent_nid' => array(
'parent_nid',
),
'child_nid' => array(
'child_nid',
),
'qnr_pid' => array(
'qnr_pid',
),
),
);
/*
* Quiz specific options concerning availability and access to scores.
*/
// Create the quiz node results table.
$schema['quiz_node_results'] = array(
'description' => 'Table storing the total results for a quiz',
'fields' => array(
'result_id' => array(
'type' => 'serial',
'size' => 'normal',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The primary identifier for this result.',
),
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The quiz ID associated with this result.',
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The quiz version ID associated with this result.',
),
'uid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The user associated with this result.',
),
'time_start' => array(
'type' => 'int',
'unsigned' => FALSE,
'description' => 'Unix timestamp when this result started.',
),
'time_end' => array(
'type' => 'int',
'unsigned' => FALSE,
'description' => 'Unix timestamp when this result ended. A NULL value indicates a quiz result not completed.',
),
'released' => array(
'type' => 'int',
'unsigned' => TRUE,
'default' => 0,
'description' => 'This field is not referenced.',
),
'score' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'description' => 'The score of this result from 0 to 100.',
),
'is_invalid' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating if this result is marked for deletion.',
),
'is_evaluated' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating if this quiz requires manual grading and if it has been graded.',
),
'time_left' => array(
'type' => 'int',
'size' => 'small',
'not null' => TRUE,
'default' => 0,
'description' => 'Deprecated field, no longer used.',
),
'attempt' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 1,
'description' => 'The number of this attempt.',
),
'type' => array(
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
'description' => 'The result bundle.',
),
),
'primary key' => array(
'result_id',
),
'indexes' => array(
'user_results' => array(
'uid',
'vid',
'nid',
),
'vid' => array(
'vid',
),
),
);
/*
* Information about a particular question in a result.
*/
$schema['quiz_node_results_answers'] = array(
'description' => 'Table storing information about each question response in an attempt.',
'fields' => array(
'result_answer_id' => array(
'type' => 'serial',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The primary identifier for this result answer.',
),
'result_id' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The result ID associated with this answer.',
),
'question_nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The question ID of the answer.',
),
'question_vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The question version ID of the answer.',
),
'tid' => array(
'type' => 'int',
'unsigned' => TRUE,
'description' => 'The taxonomy ID this question response was answered within, if this Quiz contained categorized random questions.',
),
'is_correct' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether this answer was correct.',
),
'is_skipped' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
'description' => 'Boolean indicating whether this question was skipped.',
),
'points_awarded' => array(
'type' => 'int',
'size' => 'tiny',
'unsigned' => FALSE,
'not null' => TRUE,
'default' => 0,
'description' => 'Points awarded for this response.',
),
'answer_timestamp' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => FALSE,
'default' => NULL,
'description' => 'Unix timestamp when this question was answered.',
),
'number' => array(
'type' => 'int',
'size' => 'small',
'unsigned' => FALSE,
'not null' => TRUE,
'default' => 1,
'description' => 'The number of the question in the result.',
),
'display_number' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => FALSE,
'default' => NULL,
'description' => 'The display number of the question in the result.',
),
'is_doubtful' => array(
'type' => 'int',
'not null' => TRUE,
'default' => 0,
'size' => 'tiny',
'description' => 'Boolean indicating whether the user marked this answer as doubtful.',
),
),
'primary key' => array(
'result_answer_id',
),
'unique keys' => array(
'result_answer' => array(
'result_id',
'question_nid',
'question_vid',
),
),
'indexes' => array(
'result_id' => array(
'result_id',
),
),
);
/*
* Allows custom feedback based on the results of a user completing a quiz.
*/
// Create the quiz node result options table.
$schema['quiz_node_result_options'] = array(
'description' => 'Table storing result options for quizzes. Several result options may belong to a single quiz.',
'fields' => array(
'option_id' => array(
'type' => 'serial',
'size' => 'normal',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'The primary identifier for the range.',
),
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'Quiz ID associated with this range.',
),
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'description' => 'Quiz version ID associated with this range.',
),
'option_name' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'description' => 'The name of this range.',
),
'option_summary' => array(
'type' => 'text',
'description' => 'The text to show when this range is met.',
),
'option_summary_format' => array(
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'description' => 'Text format of the range text.',
),
'option_start' => array(
'type' => 'int',
'unsigned' => TRUE,
'default' => 0,
'description' => 'Score range low value.',
),
'option_end' => array(
'type' => 'int',
'unsigned' => TRUE,
'default' => 0,
'description' => 'Score range high value.',
),
),
'primary key' => array(
'option_id',
),
'indexes' => array(
'quiz_id' => array(
'vid',
'nid',
),
),
);
$schema['quiz_terms'] = array(
'description' => 'Table storing what terms belongs to what quiz for categorized random quizzes',
'fields' => array(
'nid' => array(
'description' => 'The quiz ID of this quiz term.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
),
'vid' => array(
'description' => 'The quiz version ID of this quiz term.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
),
'weight' => array(
'description' => 'The terms weight decides the order of the terms',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
),
'tid' => array(
'description' => 'Taxonomy term ID from which to pull questions.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
),
'max_score' => array(
'description' => 'Max score for each question marked with this term.',
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
),
'number' => array(
'description' => 'Number of questions to be drawn from this term.',
'type' => 'int',
'size' => 'tiny',
'unsigned' => TRUE,
'not null' => TRUE,
),
),
'primary key' => array(
'vid',
'tid',
),
'indexes' => array(
'version' => array(
'vid',
),
),
);
$schema['quiz_result_type'] = array(
'description' => 'Stores information about all defined quiz result types.',
'fields' => array(
'id' => array(
'type' => 'serial',
'not null' => TRUE,
'description' => 'Unique result type ID.',
),
'type' => array(
'description' => 'The machine-readable name of this result type.',
'type' => 'varchar',
'length' => 32,
'not null' => TRUE,
),
'label' => array(
'description' => 'The human-readable name of this result type.',
'type' => 'varchar',
'length' => 255,
'not null' => TRUE,
'default' => '',
),
'status' => array(
'type' => 'int',
'not null' => TRUE,
// Set the default to ENTITY_CUSTOM without using the constant as it is
// not safe to use it at this point.
'default' => 0x1,
'size' => 'tiny',
'description' => 'The exportable status of the entity.',
),
'module' => array(
'description' => 'The name of the providing module if the entity has been defined in code.',
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
),
),
'primary key' => array(
'id',
),
'unique keys' => array(
'type' => array(
'type',
),
),
);
return $schema;
}