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Table.AddColumn

添加具有指定名称的列。使用指定的选择函数(它将每行作为输入)来计算值。

Syntax​

Table.AddColumn(
    table as table,
    newColumnName as text,
    columnGenerator as function,
    optional columnType as type
) as table

Remarks​

将名为 newColumnName 的列添加到表 table。使用指定的选择函数 columnGenerator(它将每行作为输入)来计算列的值。

Examples​

Example #1​

将名为“TotalPrice”的数字列添加到表中，每个值是 [Price] 和 [Shipping] 列的总和。

Table.AddColumn(
    Table.FromRecords({
        [OrderID = 1, CustomerID = 1, Item = "Fishing rod", Price = 100.0, Shipping = 10.00],
        [OrderID = 2, CustomerID = 1, Item = "1 lb. worms", Price = 5.0, Shipping = 15.00],
        [OrderID = 3, CustomerID = 2, Item = "Fishing net", Price = 25.0, Shipping = 10.00]
    }),
    "TotalPrice",
    each [Price] + [Shipping],
    type number
)

Result:

Table.FromRecords({
    [OrderID = 1, CustomerID = 1, Item = "Fishing rod", Price = 100, Shipping = 10, TotalPrice = 110],
    [OrderID = 2, CustomerID = 1, Item = "1 lb. worms", Price = 5, Shipping = 15, TotalPrice = 20],
    [OrderID = 3, CustomerID = 2, Item = "Fishing net", Price = 25, Shipping = 10, TotalPrice = 35]
})

Category​

Table.Transformation