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MDL-69190 grade: fix slow query.

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This commit is contained in:
Dan Marsden 2020-07-03 11:23:17 +12:00
parent 1ab9522055
commit b70d584b67
1 changed files with 1 additions and 4 deletions
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5
grade/report/grader/lib.php
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@ -1531,9 +1531,7 @@ class grade_report_grader extends grade_report {
// This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table)
$sql = "SELECT gi.id, COUNT(DISTINCT u.id) AS count
FROM {grade_items} gi
CROSS JOIN {user} u
JOIN ($enrolledsql) je
ON je.id = u.id
CROSS JOIN ($enrolledsql) u
JOIN {role_assignments} ra
ON ra.userid = u.id
LEFT OUTER JOIN {grade_grades} g
@ -1542,7 +1540,6 @@ class grade_report_grader extends grade_report {
WHERE gi.courseid = :courseid
AND ra.roleid $gradebookrolessql
AND ra.contextid $relatedctxsql
AND u.deleted = 0
AND g.id IS NULL
$groupwheresql
GROUP BY gi.id";