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Table.AddIndexColumn

  • Статия

Syntax

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

About

Appends a column named newColumnName to the table with explicit position values. An optional value, initialValue, the initial index value. An optional value, increment, specifies how much to increment each index value.

Example 1

Add an index column named "Index" to the table.

Usage

Power Query M 
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"
)

Output

Power Query M 
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]
})

Example 2

Add an index column named "index", starting at value 10 and incrementing by 5, to the table.

Usage

Power Query M 
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
)

Output

Power Query M 
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]
})

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