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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/Collection.php
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@ -104,10 +104,10 @@ class Collection{
*/ */
public static function DeleteUnused(): void{ public static function DeleteUnused(): void{
Db::Query(' Db::Query('
DELETE DELETE c
from Collections from Collections c
where CollectionId not in left join CollectionEbooks ce using (CollectionId)
(select distinct CollectionId from CollectionEbooks) where ce.CollectionId is null
'); ');
} }

10
lib/EbookTag.php
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@ -113,11 +113,11 @@ class EbookTag extends Tag{
*/ */
public static function DeleteUnused(): void{ public static function DeleteUnused(): void{
Db::Query(' Db::Query('
DELETE DELETE t
from Tags from Tags t
where Type = ? left join EbookTags et using (TagId)
and TagId not in where t.Type = ?
(select distinct TagId from EbookTags) and et.TagId is null
', [Enums\TagType::Ebook]); ', [Enums\TagType::Ebook]);
} }
} }

8
lib/LocSubject.php
View file

@ -70,10 +70,10 @@ class LocSubject{
*/ */
public static function DeleteUnused(): void{ public static function DeleteUnused(): void{
Db::Query(' Db::Query('
DELETE DELETE ls
from LocSubjects from LocSubjects ls
where LocSubjectId not in left join EbookLocSubjects els using (LocSubjectId)
(select distinct LocSubjectId from EbookLocSubjects) where els.LocSubjectId is null
'); ');
} }
} }