通过

Table.RemoveFirstN

Syntax

Table.RemoveFirstN(table as table, optional countOrCondition as any) as table

About

返回一个表，该表不包含表的第一个指定行countOrConditiontable数。 删除的行数取决于可选参数 countOrCondition。

  • 如果 countOrCondition 只省略第一行，则删除第一行。
  • 如果 countOrCondition 为数字，将删除许多行（从顶部开始）。
  • 如果是 countOrCondition 条件，则在行不满足条件之前，将删除满足条件的行。

示例 1

删除表的第一行。

用法

Table.RemoveFirstN(
    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"]
    }),
    1
)

输出

Table.FromRecords({
    [CustomerID = 2, Name = "Jim", Phone = "987-6543"],
    [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
    [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
})

示例 2

删除表的前两行。

用法

Table.RemoveFirstN(
    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"]
    }),
    2
)

输出

Table.FromRecords({
    [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
    [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
})

示例 3

删除 [CustomerID] <=2 的表的第一行。

用法

Table.RemoveFirstN(
    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"]
    }), 
    each [CustomerID] <= 2
)

输出

Table.FromRecords({
    [CustomerID = 3, Name = "Paul", Phone = "543-7890"],
    [CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
})
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