Table.DuplicateColumn

语法

Table.DuplicateColumn(table as table, columnName as text, newColumnName as text, optional columnType as nullable type) as table

关于

将名为 columnName 的列复制到表 table。 列 newColumnName 的值和类型是从列 columnName 复制的。

示例

将列“a”复制到表 ({ [a = 1, b = 2], [a = 3, b = 4] }) 中名为“copied column”的列。

使用情况

Table.DuplicateColumn(    Table.FromRecords({         [a = 1, b = 2],        [a = 3, b = 4]     }),    "a",    "copied column")

输出

Table.FromRecords({     [a = 1, b = 2, #"copied column" = 1],    [a = 3, b = 4, #"copied column" = 3] })

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