Table.AddIndexColumn

語法

Table.AddIndexColumn(table as table, newColumnName as text, optional initialValue as nullable number, optional increment as nullable number, optional columnType as nullable type) as table

關於

使用明確的位置值，將名為 newColumnName 的資料行附加至 table。 選擇性的值 initialValue 是初始索引值。 選擇性的值 increment 可指定每個索引值遞增量。

範例 1

將名為 "Index" 的索引資料行新增至資料表。

使用方式

Table.AddIndexColumn(
    Table.FromRecords({
        [CustomerID = 1, Name = "Bob", Phone = "123-4567"],
        [CustomerID = 2, Name = "Jim", Phone = "987-6543"],
        [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
        [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
    }),
    "Index"
)

輸出

Table.FromRecords({
    [CustomerID = 1, Name = "Bob", Phone = "123-4567", Index = 0],
    [CustomerID = 2, Name = "Jim", Phone = "987-6543", Index = 1],
    [CustomerID = 3, Name = "Paul", Phone = "543-7890", Index = 2],
    [CustomerID = 4, Name = "Ringo", Phone = "232-1550", Index = 3]
})

範例 2

將名為 "index" 的索引資料行 (起始值為 10 且遞增量為 5) 新增至資料表。

使用方式

Table.AddIndexColumn(
    Table.FromRecords({
        [CustomerID = 1, Name = "Bob", Phone = "123-4567"],
        [CustomerID = 2, Name = "Jim", Phone = "987-6543"],
        [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
        [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
    }),
    "Index",
    10,
    5
)

輸出

Table.FromRecords({
    [CustomerID = 1, Name = "Bob", Phone = "123-4567", Index = 10],
    [CustomerID = 2, Name = "Jim", Phone = "987-6543", Index = 15],
    [CustomerID = 3, Name = "Paul", Phone = "543-7890", Index = 20],
    [CustomerID = 4, Name = "Ringo", Phone = "232-1550", Index = 25]
})