Updating the default initialisation of the parent field

db/migrations/20181213125806_add_parent_field.php

@@ -35,6 +35,8 @@ class AddParentField extends AbstractMigration
         $table = $this->table('contreparties');
         $table->addColumn('parent', 'integer');
         $table->update();
+
+        // Let's set some default value
         $builder = $this->getQueryBuilder();
         $stmt = $builder->update('contreparties')
             ->set('parent', 'id')