Jolt 小组赛成绩

Question

我正在尝试根据 json 字段将一些数据分组到数组中。

[
  {
    "Type": "Cash",
    "Value1": "668131AA3",
    "ParentId": "87984E01",
    "CashId": "6688E582",
    "StockId": null
  },
  {
    "Type": "Stock",
    "Value1": "668131AA3",
    "ParentId": "87984E01",
    "CashId": "1FD714A9",
    "StockId": "1FD714A9"
  },
  {
    "Type": "Stock",
    "Value1": "668131AA3",
    "ParentId": "87984E01",
    "CashId": "0635B045",
    "StockId": "0635B045"
  },
  {
    "Type": "Cash",
    "Value1": "668131AA3",
    "ParentId": "87984E01",
    "CashId": "47E65472",
    "StockId": null
  }
]

所需的输出是：

    "Value1": "668131AA3",
    "ParentId": "87984E01",
    "CashPayouts" : [ 
        {"CashId": "6688E582"},
        {"CashId": "87984E01"}
    ],
    "StockPayouts" : [ 
       {"StockId": "1FD714A9","CashId": "1FD714A9"},
       {"StockId": "0635B045","CashId": "0635B045"}
     ]
}

基本上，如果 Type=Cash，CashId 字段应该分组在 CashPayouts 数组中。对于 Type=Stock，将两个字段分组到 StockPayouts 数组中。

是否可以在 Jolt 中进行此转换？如果是真的，那又如何？

谢谢，胡安

Answer 1

这应该完成示例：

 [
  {
    "operation": "shift",
    "spec": {
      "*": {
        "Value1": "Value1",
        "ParentId": "ParentId",
        "Type": {
          "Stock": {
            "@(2)": {
              "CashId": "t.StockPayouts[&4].CashId",
              "StockId": "t.StockPayouts[&4].StockId"
            }
          },
          "Cash": {
            "@(2)": {
              "CashId": "t.CashPayouts[&4].CashId"
            }
          }
        }
      }
    }
  },
  {
    "operation": "modify-overwrite-beta",
    "spec": {
      "*": "=recursivelySquashNulls",
      "Value1": "=firstElement(@(1,Value1))",
      "ParentId": "=firstElement(@(1,ParentId))"
    }
  },
  {
    "operation": "shift",
    "spec": {
      "Value1": "Value1",
      "ParentId": "ParentId",
      "t": ""
    }
  }
]

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