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#20: Fixed an n+1 query.

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Peter Deltchev 2015-11-24 10:00:59 -08:00
parent be23475ae5
commit 77730e9fd9
1 changed files with 6 additions and 2 deletions
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8
app/Genre.php
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@ -46,7 +46,7 @@ class Genre extends Model
* "Dummy" relation to facilitate eager-loading of a genre's track count.
* This relationship should not be used directly.
*
* Inspired by: http://laravel.io/forum/05-03-2014-eloquent-get-count-relation?page=1#reply-6226
* Inspired by {@link http://softonsofa.com/tweaking-eloquent-relations-how-to-get-hasmany-relation-count-efficiently/}
*
* @return Relation
*/
@ -62,7 +62,11 @@ class Genre extends Model
* @return int
*/
public function getTrackCountAttribute() {
return $this->trackCountRelation()->count();
if (!$this->relationLoaded('trackCountRelation')) {
$this->load('trackCountRelation');
}
return $this->trackCountRelation ? $this->trackCountRelation->track_count : 0;
}
/**