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MDL-62384 mod_data: Update sql to improve performance.

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Adrian Greeve
2018-05-11 11:14:32 +08:00
committed by Andrew Nicols
parent fb7934b2b8
commit a2137340ae
1 changed files with 4 additions and 3 deletions
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mod/data/classes/privacy/provider.php
+4 -3
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@@ -105,9 +105,10 @@ class provider implements
INNER JOIN {modules} m ON m.id = cm.module AND m.name = :modname
INNER JOIN {data} d ON d.id = cm.instance
INNER JOIN {data_records} dr ON dr.dataid = d.id
LEFT JOIN {comments} com ON com.commentarea=:commentarea and com.itemid = dr.id
LEFT JOIN {rating} r ON r.contextid = c.id AND r.itemid = dr.id AND r.component = :moddata AND r.ratingarea = :ratingarea
WHERE dr.userid = :userid OR com.userid = :userid1 OR r.userid = :userid2";
LEFT JOIN {comments} com ON com.commentarea=:commentarea and com.itemid = dr.id AND com.userid = :userid1
LEFT JOIN {rating} r ON r.contextid = c.id AND r.itemid = dr.id AND r.component = :moddata
AND r.ratingarea = :ratingarea AND r.userid = :userid2
WHERE dr.userid = :userid OR com.id IS NOT NULL OR r.id IS NOT NULL";
$params = [
'modname' => 'data',