Table.HasColumns
Wskazuje, czy tabela zawiera określone kolumny.
Syntax
Table.HasColumns(
table as table,
columns as any
) as logical
Remarks
Wskazuje, czy tabela table
zawiera określone kolumny (columns
). Zwraca wartość true
, jeśli tabela zawiera te kolumny, w przeciwnym razie zwraca wartość false
.
Examples
Example #1
Ustal, czy tabela zawiera kolumnę [Name].
Table.HasColumns(
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"]
}),
"Name"
)
Result:
true
Example #2
Ustal, czy tabela zawiera kolumny [Name] i [PhoneNumber].
Table.HasColumns(
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"]
}),
{"Name", "PhoneNumber"}
)
Result:
false
Category
Table.Column operations