text: -- CreateTable
  CREATE TABLE "ProductMetafield" (
      "id" SERIAL NOT NULL,
      "productId" INTEGER,
      "namespace" TEXT NOT NULL,
      "key" TEXT NOT NULL,
      "value" JSONB,
      "helpText" TEXT,
  
      PRIMARY KEY ("id")
  );
  
  -- AddForeignKey
  ALTER TABLE "ProductMetafield" ADD FOREIGN KEY ("productId") REFERENCES "Product"("id") ON DELETE SET NULL ON UPDATE CASCADE;
  