Table.AddColumn

Syntax

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

O

Pridá stĺpec s názvom newColumnName do tabuľky table. Hodnoty pre stĺpec sa vypočítajú pomocou zadanej funkcie výberu columnGenerator, pričom každý riadok sa použije ako vstup.

Príklad

Pridajte do tabuľky číselný stĺpec s názvom TotalPrice (Celková cena), pričom každá hodnota bude súčtom stĺpcov [Price] (Cena) a [Shipping] (Preprava).

používania

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
)

výstupu

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]
})

Súvisiaci obsah

• Typy a konverzie typu