如何遍歷數組並在 Azure Cosmos DB -Core SQL API 中使用 SQL 查找所有客戶的所有產品總和？

Question

{ "Name": "Naveen", "Age": 28, "IS_MEMBER": false, "Products":[ { "id": 1, "NAME": "XXXX" "COST": 5.99 }, { "id ": 2, "NAME": "XXXX" "COST": 4.99 }

] }

Answer 1

你需要的是，

SELECT SUM(a.COST) AS SumTotal
FROM a in c.Products

Answer 2

這可以使用“加入”來實現。 SELECT sum(t.Cost) as SumTotal FROM c join t in c.Products