Power Query - 复制多列 Mcode

问题描述

我需要用 PQ 复制多个列，是的，我可以手动完成 10 个步骤或 1 个纠缠步骤和 10 个重复列命令。

虽然我在添加列时遇到了类似的问题：

#"Added Custom" =
  Table.AddColumn(#"Changed Type","record",each [
      Custom = "DTO",#"Custom.1" = Date.ToText([Accounting Date],"YYYYMMDD"),#"Custom.2" = "SA",#"Custom.3" = "DTO " & Date.ToText([Accounting Date],"yyyy.MM"),#"Custom.4" = null,#"Custom.5" = null,#"Custom.6" = null,#"Custom.7" = null,#"Custom.8" = null,#"Custom.9" = if Text.StartsWith([General Ledger Code],"5") then [Cost Center] else null,#"Custom.10" = null,#"Custom.11" = null,#"Custom.12" = null,#"Custom.13" = if Text.StartsWith([General Ledger Code],"5") then "IF" else null
    ]),#"Expanded record" = Table.ExpandRecordColumn(#"Added Custom",{"Custom","Custom.1","Custom.2","Custom.3","Custom.4","Custom.5","Custom.6","Custom.7","Custom.8","Custom.9","Custom.10","Custom.11","Custom.12","Custom.13"},"Custom.13"}),

它适用于添加列

但是我在尝试使用以下方法复制时失败了：

#"Duplicated test" = Table.AddColumn(#"Expanded record","duplicated",each [
      #"Custom.14" = Table.DuplicateColumn(#"Expanded record","Custom.1 - copy"),#"Custom.15" = Table.DuplicateColumn(#"Expanded record","Custom.3 - copy")     
]),#"Expanded duplicated" = Table.ExpandRecordColumn(#"Duplicated test",{"Custom.14","Custom.15"},"Custom.15"}),

展开列后，我收到了整个表格，而不仅仅是 2 个额外的列。

有没有办法像添加列那样简化重复列的操作？

解决方法

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custom-code excel excel powerquery