Table.FirstN

Syntax

Table.FirstN(table as table, countOrCondition as any) as table

About

Returns the first row(s) of the table table, depending on the value of countOrCondition:

  • If countOrCondition is a number, that many rows (starting at the top) will be returned.
  • If countOrCondition is a condition, the rows that meet the condition will be returned until a row does not meet the condition.

Example 1

Find the first two rows of the table.

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

Example 2

Find the first rows where [a] > 0 in the table.

Table.FirstN(
    Table.FromRecords({
        [a = 1, b = 2],
        [a = 3, b = 4],
        [a = -5, b = -6]
    }),
    each [a] > 0
)
a b
1 2
3 4