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]
})

相關內容

• 類型和類型轉換