Table.AddColumn
Table.AddColumn(table as table, newColumnName as text, columnGenerator as function, optional columnType as nullable type) as table
テーブル table
に newColumnName
という名前の列を追加します。 入力として受け取った行ごとに、指定した選択関数 columnGenerator
を使用して列の値が計算されます。
各値が [Price] 列と [Shipping] 列の合計である "TotalPrice" という名前の数値列をテーブルに追加します。
使用方法
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
)
出力
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]
})