MDL-27948 The question engine should use recordsets to load attempt data

This should be good for performance (memory usage). It also avoids having to construct a meaningless, unique, first column, which is a pain on MyQSL.
This commit is contained in:
Tim Hunt
2011-06-22 18:53:15 +01:00
parent 3552484b91
commit 35d5f1c28d
8 changed files with 155 additions and 72 deletions
@@ -261,20 +261,20 @@ class question_attempt_with_steps_test extends UnitTestCase {
*/
class question_attempt_db_test extends data_loading_method_test_base {
public function test_load() {
$records = testing_db_record_builder::build_db_records(array(
array('id', 'questionattemptid', 'contextid', 'questionusageid', 'slot',
$records = new test_recordset(array(
array('questionattemptid', 'contextid', 'questionusageid', 'slot',
'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'flagged',
'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
'attemptstepid', 'sequencenumber', 'state', 'fraction',
'timecreated', 'userid', 'name', 'value'),
array(1, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
array(2, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 2, 1, 'complete', null, 1256233705, 1, 'answer', '1'),
array(3, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 1, '', '', '', 1256233790, 3, 2, 'complete', null, 1256233710, 1, 'answer', '0'),
array(4, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 4, 3, 'complete', null, 1256233715, 1, 'answer', '1'),
array(5, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 5, 4, 'gradedright', 1.0000000, 1256233720, 1, '-finish', '1'),
array(6, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-comment', 'Not good enough!'),
array(7, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-mark', '1'),
array(8, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-maxmark', '2'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 2, 1, 'complete', null, 1256233705, 1, 'answer', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 1, '', '', '', 1256233790, 3, 2, 'complete', null, 1256233710, 1, 'answer', '0'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 4, 3, 'complete', null, 1256233715, 1, 'answer', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 5, 4, 'gradedright', 1.0000000, 1256233720, 1, '-finish', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-comment', 'Not good enough!'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-mark', '1'),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 6, 5, 'mangrpartial', 0.5000000, 1256233790, 1, '-maxmark', '2'),
));
$question = test_question_maker::make_question('truefalse', 'true');
@@ -334,13 +334,13 @@ class question_attempt_db_test extends data_loading_method_test_base {
}
public function test_load_missing_question() {
$records = testing_db_record_builder::build_db_records(array(
array('id', 'questionattemptid', 'contextid', 'questionusageid', 'slot',
$records = new test_recordset(array(
array('questionattemptid', 'contextid', 'questionusageid', 'slot',
'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction', 'flagged',
'questionsummary', 'rightanswer', 'responsesummary', 'timemodified',
'attemptstepid', 'sequencenumber', 'state', 'fraction',
'timecreated', 'userid', 'name', 'value'),
array(1, 1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
array(1, 123, 1, 1, 'deferredfeedback', -1, 1, 2.0000000, 0.0000000, 0, '', '', '', 1256233790, 1, 0, 'todo', null, 1256233700, 1, null, null),
));
question_bank::start_unit_test();