Table.AddKey
This topic applies to the Power Query Formula Language which can be used with Power Query and Power BI Desktop to build queries that mashup data. See the list of function categories.
Add a key to table.
Table.AddKey(table as table, columns as list, isPrimary as logical) as table
| Argument | Description |
|---|---|
| table | The Table to modify. |
| columns | The subset of column names that defines the key. |
| isPrimary | Specifies whether the key is primary. |
let
table = 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"]
}
),
resultTable = Table.AddKey(table, {"CustomerID"}, true)
in
resultTable
| CustomerID | Name | Phone |
|---|---|---|
| 1 | Bob | 123-4567 |
| 2 | Jim | 987-6543 |
| 3 | Paul | 543-7890 |
| 4 | Ringo | 232-1550 |
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