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Table.HasColumns

menunjukkan sama ada jadual mengandungi lajur yang ditentukan.

Syntax​

Table.HasColumns(
    table as table,
    columns as any
) as logical

Remarks​

Menunjukkan sama ada table mengandungi lajur yang ditentukan, columns. Mengembalikan true jika jadual mengandungi lajur, false jika sebaliknya.

Examples​

Example #1​

Tentukan sama ada jadual mempunyai lajur [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​

Carikan sama ada jadual mempunyai lajur [Name] dan [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