what the fuck

migrations/Version20260401101500.php

@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260401101500 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add nullable album owner relation (albums.owner_id -> users.id)';
+    }
+
+    public function up(Schema $schema): void
+    {
+        if ($this->isSqlite()) {
+            $this->addSql('ALTER TABLE albums ADD COLUMN owner_id INTEGER DEFAULT NULL');
+            $this->addSql('CREATE INDEX IF NOT EXISTS IDX_ALBUM_OWNER ON albums (owner_id)');
+            return;
+        }
+
+        $this->addSql('ALTER TABLE albums ADD owner_id INT DEFAULT NULL');
+        $this->addSql('CREATE INDEX IDX_ALBUM_OWNER ON albums (owner_id)');
+        $this->addSql('ALTER TABLE albums ADD CONSTRAINT FK_ALBUM_OWNER FOREIGN KEY (owner_id) REFERENCES users (id) ON DELETE SET NULL NOT DEFERRABLE INITIALLY IMMEDIATE');
+    }
+
+    public function down(Schema $schema): void
+    {
+        if ($this->isSqlite()) {
+            // SQLite down-migration omitted to avoid lossy table rebuild.
+            return;
+        }
+
+        $this->addSql('ALTER TABLE albums DROP CONSTRAINT FK_ALBUM_OWNER');
+        $this->addSql('DROP INDEX IDX_ALBUM_OWNER');
+        $this->addSql('ALTER TABLE albums DROP COLUMN owner_id');
+    }
+
+    private function isSqlite(): bool
+    {
+        return $this->connection->getDatabasePlatform()->getName() === 'sqlite';
+    }
+}
+