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MDL-15198 "non-standard sql in reportlib.php" using CASE statement to wrap logic in fields list

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jamiesensei
2008-07-20 13:01:45 +00:00
parent cac921308c
commit 65143620aa
1 changed files with 10 additions and 3 deletions
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mod/quiz/report/overview/report.php
+10 -3
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@@ -328,9 +328,16 @@ class quiz_report extends quiz_default_report {
// Construct the SQL
$select = 'SELECT '.sql_concat('u.id', '\'#\'', $db->IfNull('qa.attempt', '0')).' AS uniqueid, '.
($qmsubselect?$qmsubselect.' AS gradedattempt, ':'').
'qa.uniqueid AS attemptuniqueid, qa.id AS attempt, u.id AS userid, u.idnumber, u.firstname, u.lastname, u.picture, '.
$select = 'SELECT '.sql_concat('u.id', '\'#\'', $db->IfNull('qa.attempt', '0')).' AS uniqueid, ';
if ($qmsubselect) {
$select .=
"(CASE " .
" WHEN $qmsubselect THEN 1" .
" ELSE 0 " .
"END) AS gradedattempt, ";
}
$select .='qa.uniqueid AS attemptuniqueid, qa.id AS attempt, u.id AS userid, u.idnumber, u.firstname, u.lastname, u.picture, '.
'qa.sumgrades, qa.timefinish, qa.timestart, qa.timefinish - qa.timestart AS duration ';
// This part is the same for all cases - join users and quiz_attempts tables