REDUCER

inputValue(input 위치에서 찾은 데이터)의 row count 만큼 roof 돌며 각 아이템에 대하여 Reducer Terms 처리 후 output에 반환

Define field

Reducer

ID	Description

ID	Description
id	reducer flow component id
name	이름
input	flow Component 처리 기준 데이터 위치
output	flow Component 처리 결과 위치
next	다음 flow Component id

Reducer Terms

ID	Description

ID	Description
id	reducer terms id
field	집계된 결과 값의 Key 선언 `"field": "totalSalePrice"`
method	집계함수 `"method": "sum"` (아래 상세설명)
value	집계할 값의 위치 `"value": "price.salePrice"`

Reducer Terms Method ( Aggregate Functions )

aggregate function calculates and returns a single result for Array

ID	Description

ID	Description
Sum	returns the sum of values in a set of values
Avg	returns the average of values of a set
Count	returns the number of values in a set or number of rows
Min	returns the minimum value in a set of values
Max	returns the maximum value in a set of values
Method	Method can be customized

reducer start

get value of "input" position (inputValue)
roof inputValue
- filter (Condition of execution)
  - false : continue
- roof reducerTerms
  - run each "terms"
  - get the value of the "method" processed "value" position (termsValue)
  - set "field" as the key, "termsValue" as the value
put the value of the "output" position

{
  "typeId": "reducer",
  "id": 100122,
  "name": "TotalSalePrice by group",
  "input": "groups.list",
  "output": "groups.price",
  "reducerTerms": [
    { "id":  null, "field": "totalSalePrice", "method": "sum", "value": "price.salePrice" },
    { "id":  null, "field": "totalQuantity", "method": "sum", "value": "quantity" },
    { "id":  null, "field": "totalDiscountSalePrice", "method": "sum", "value": "price.immediateDiscountSalePrice" },
    { "id":  null, "field": "totalDiscountPrice", "method": "sum", "value": "price.immediateDiscountPrice" }
  ],
  "next": 100028
}

RESULT

{
    "result": "200",
    "resultMessage": "SUCCESS",
    "items": [
        {
            "siteProduct.productDeliveryInfo.deliveryType": "normal",
            "seller.id": "",
            "siteProduct.productDeliveryInfo.deliveryBundleGroup.id": 101,
            "siteProduct.productDeliveryInfo.productDeliveryFee.deliveryFeeType": "conditional",
            "price": {
                "totalQuantity": 2,
                "totalSalePrice": 279000,
                "totalDiscountSalePrice": 279000,
                "totalDiscountPrice": 0
            }
        },
        {
            "siteProduct.productDeliveryInfo.deliveryType": "normal",
            "seller.id": "",
            "siteProduct.productDeliveryInfo.deliveryBundleGroup.id": 102,
            "siteProduct.productDeliveryInfo.productDeliveryFee.deliveryFeeType": "conditional",
            "price": {
                "totalQuantity": 2,
                "totalSalePrice": 264000,
                "totalDiscountSalePrice": 264000,
                "totalDiscountPrice": 0
            }
        }
    ]
}