Use constant for sort key index size

Author: nickygerritsen

webapp/migrations/Version20250309122806.php

@@ -4,6 +4,7 @@
 
 namespace DoctrineMigrations;
 
+use App\Entity\RankCache;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
@@ -21,8 +22,8 @@ public function up(Schema $schema): void
     {
         // this up() migration is auto-generated, please modify it to your needs
         $this->addSql('ALTER TABLE rankcache ADD sort_key_public TEXT DEFAULT \'\' NOT NULL COMMENT \'Opaque sort key for public audience.\', ADD sort_key_restricted TEXT DEFAULT \'\' NOT NULL COMMENT \'Opaque sort key for restricted audience.\'');
-        $this->addSql('CREATE INDEX sortKeyPublic ON rankcache (sort_key_public)');
-        $this->addSql('CREATE INDEX sortKeyRestricted ON rankcache (sort_key_restricted)');
+        $this->addSql(sprintf('CREATE INDEX sortKeyPublic ON rankcache (sort_key_public(%s))', RankCache::SORT_KEY_INDEX_SIZE));
+        $this->addSql(sprintf('CREATE INDEX sortKeyRestricted ON rankcache (sort_key_restricted(%s))', RankCache::SORT_KEY_INDEX_SIZE));
     }
 
     public function down(Schema $schema): void

webapp/src/Entity/RankCache.php

@@ -19,10 +19,12 @@
 #[ORM\Index(columns: ['cid', 'points_public', 'totaltime_public', 'totalruntime_public'], name: 'order_public')]
 #[ORM\Index(columns: ['cid'], name: 'cid')]
 #[ORM\Index(columns: ['teamid'], name: 'teamid')]
-#[ORM\Index(columns: ['sort_key_public'], name: 'sortKeyPublic', options: ['lengths' => [768]])]
-#[ORM\Index(columns: ['sort_key_restricted'], name: 'sortKeyRestricted', options: ['lengths' => [768]])]
+#[ORM\Index(columns: ['sort_key_public'], name: 'sortKeyPublic', options: ['lengths' => [self::SORT_KEY_INDEX_SIZE]])]
+#[ORM\Index(columns: ['sort_key_restricted'], name: 'sortKeyRestricted', options: ['lengths' => [self::SORT_KEY_INDEX_SIZE]])]
 class RankCache
 {
+    public const SORT_KEY_INDEX_SIZE = 768;
+
     #[ORM\Column(options: [
         'comment' => 'Total correctness points (restricted audience)',
         'unsigned' => true,