React native 如何从域中筛选ID
我试图从领域对象中过滤出一个id,如下所示:React native 如何从域中筛选ID,react-native,realm,React Native,Realm,我试图从领域对象中过滤出一个id,如下所示: let itemsInCart = realm.objects("Cart").filtered("id = " + itemId); 我的购物车架构如下所示: export const CART_SCHEMA = "Cart"; export const CartSchema = { name: CART_SCHEMA, primaryKey: "id", properties: { id: "string", qua
let itemsInCart = realm.objects("Cart").filtered("id = " + itemId);
我的购物车架构如下所示:
export const CART_SCHEMA = "Cart";
export const CartSchema = {
name: CART_SCHEMA,
primaryKey: "id",
properties: {
id: "string",
quantity: "int",
productName: "string",
productImage: "string"
}
};
我想检查该id是否存在于我的购物车对象中,但每当我尝试筛选出该id时,它会出现以下错误:
尝试在领域中按ID筛选对象
let itemsInCart = realm.objects("Cart").filtered("id == $0", itemId);