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MDL-31143 quiz reports: average grade of null causes php error.

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This commit is contained in:
Tim Hunt 2012-01-12 16:42:19 +00:00 committed by kordan
parent f572ec93af
commit abd738223c
1 changed files with 3 additions and 3 deletions
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6
mod/quiz/report/overview/overview_table.php
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@ -81,7 +81,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
SELECT AVG(quiza.sumgrades) AS grade, COUNT(quiza.sumgrades) AS numaveraged
FROM $from
WHERE $where", $params);
$record->grade = quiz_rescale_grade($record->grade, $this->quiz);
$record->grade = quiz_rescale_grade($record->grade, $this->quiz, false);
if ($this->is_downloading()) {
$namekey = 'lastname';
@ -127,7 +127,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
} else {
$record = new stdClass();
$record->grade = null;
$record->numaveraged = null;
$record->numaveraged = 0;
}
$row['qsgrade' . $question->slot] = $this->format_average($record, true);
@ -151,7 +151,7 @@ class quiz_report_overview_table extends quiz_attempt_report_table {
if ($this->download) {
return $average;
} else if (is_null($record->numaveraged)) {
} else if (is_null($record->numaveraged) || $record->numaveraged == 0) {
return html_writer::tag('span', html_writer::tag('span',
$average, array('class' => 'average')), array('class' => 'avgcell'));
} else {