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Rewrite DeleteUnused() queries using new indices

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Mike Colagrosso 2024-12-31 13:39:48 -07:00 • committed by Alex Cabal
parent 5c8315e6ff
commit f0bfa7a43b
3 changed files with 13 additions and 13 deletions
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8
lib/LocSubject.php
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@ -70,10 +70,10 @@ class LocSubject{
*/
public static function DeleteUnused(): void{
Db::Query('
DELETE
from LocSubjects
where LocSubjectId not in
(select distinct LocSubjectId from EbookLocSubjects)
DELETE ls
from LocSubjects ls
left join EbookLocSubjects els using (LocSubjectId)
where els.LocSubjectId is null
');
}
}