mirror_php/moodle
1
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-03-07 01:10:02 +01:00
Code Issues Projects Releases Wiki Activity

MDL-20636 Fix query so that it works on MySQL.

Browse Source
This commit is contained in:
Tim Hunt 2011-04-23 12:56:47 +01:00
parent 6160bdb1f3
commit d2c69d9373
1 changed files with 5 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
question/engine/datalib.php
View File

@ -796,14 +796,11 @@ ORDER BY
public function sum_usage_marks_subquery($qubaid) {
return "SELECT SUM(qa.maxmark * qas.fraction)
FROM {question_attempts} qa
JOIN (
SELECT summarks_qa.id AS questionattemptid, MAX(summarks_qas.id) AS latestid
FROM {question_attempt_steps} summarks_qas
JOIN {question_attempts} summarks_qa ON summarks_qa.id = summarks_qas.questionattemptid
WHERE summarks_qa.questionusageid = $qubaid
GROUP BY summarks_qa.id
) lateststepid ON lateststepid.questionattemptid = qa.id
JOIN {question_attempt_steps} qas ON qas.id = lateststepid.latestid
JOIN {question_attempt_steps} qas ON qas.id = (
SELECT MAX(summarks_qas.id)
FROM {question_attempt_steps} summarks_qas
WHERE summarks_qas.questionattemptid = qa.id
)
WHERE qa.questionusageid = $qubaid
HAVING COUNT(CASE WHEN qas.state = 'needsgrading' AND qa.maxmark > 0 THEN 1 ELSE NULL END) = 0";
}