Revert making attribute nullable

Author: johanib

migrations/DoctrineMigrations/Version20260315000001.php

@@ -25,13 +25,12 @@
 /**
  * Change to the consent schema
  * 1. Added the `attribute_stable` column, string(80), nullable
- * 2. Changed the `attribute` column, has been made nullable
  */
 final class Version20260315000001 extends AbstractEngineBlockMigration
 {
     public function getDescription(): string
     {
-        return 'Add attribute_stable column to consent table and make attribute nullable';
+        return 'Add attribute_stable column to consent table';
     }
 
     public function preUp(Schema $schema): void
@@ -41,14 +40,11 @@ public function preUp(Schema $schema): void
 
     public function up(Schema $schema): void
     {
-        $this->addSql('ALTER TABLE consent ADD attribute_stable VARCHAR(80) DEFAULT NULL, CHANGE attribute attribute VARCHAR(80) DEFAULT NULL');
+        $this->addSql('ALTER TABLE consent ADD attribute_stable VARCHAR(80) DEFAULT NULL');
     }
 
     public function down(Schema $schema): void
     {
-        $this->warnIf(true, 'This migration is not reversible without deleting all migrated consent hashes.' .
-        ' Manually run `DELETE FROM consent WHERE attribute IS NOT NULL` to delete all migrated consent hashes.');
-        $this->addSql('ALTER TABLE consent CHANGE attribute attribute VARCHAR(80) NOT NULL');
         $this->addSql('ALTER TABLE consent DROP attribute_stable');
     }
 }

src/OpenConext/EngineBlockBundle/Authentication/Entity/Consent.php

@@ -56,7 +56,7 @@ class Consent
     /**
      * @var string
      */
-    #[ORM\Column(type: Types::STRING, length: 80, nullable: true)]
+    #[ORM\Column(type: Types::STRING, length: 80, nullable: false)]
     public ?string $attribute = null;
 
     /**