Table.FillDown
Table.FillDown(table as table, columns as list) as table
从指定的 table
中返回一个表,其中前一个单元格的值会传播到指定的 columns
中下方值为 Null 的单元格。
从表返回一个表,其中,列 [Place] 中的 NULL 值是使用这些值上方的值填充的。
使用情况
Table.FillDown(
Table.FromRecords({
[Place = 1, Name = "Bob"],
[Place = null, Name = "John"],
[Place = 2, Name = "Brad"],
[Place = 3, Name = "Mark"],
[Place = null, Name = "Tom"],
[Place = null, Name = "Adam"]
}),
{"Place"}
)
输出
Table.FromRecords({
[Place = 1, Name = "Bob"],
[Place = 1, Name = "John"],
[Place = 2, Name = "Brad"],
[Place = 3, Name = "Mark"],
[Place = 3, Name = "Tom"],
[Place = 3, Name = "Adam"]
})