autorisation théorique des stocks négatifs

database/migrations/2021_04_19_155920_change_optional_fields_in_products_table.php

@@ -14,7 +14,7 @@ class ChangeOptionalFieldsInProductsTable extends Migration
     public function up()
     {
         Schema::table('products', function (Blueprint $table) {
-            $table->unsignedBigInteger('stock')->nullable()->change();
+            $table->integer('stock')->nullable()->change();
             $table->string('reference')->nullable()->change();
         });
     }