There are three ways to rename a column in Power Query. Let's load both these tables to Power Query! I think I need to merge List1 and List2 into a single list of pairs, but can't figure out the correct syntax. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. For each trimmed column name, look up the value in the first row of that column (which should give you a list of 5 different strings, which will be the new column names). Otherwise, return null. It is like IFERROR() in Excel. Power BI > How to efficiently change the column names? - Leading Change column names dynamically with parameters in Power BI Its based on three core promises: transparent pricing, short-term flexible contracts, and time zone affinity. let rename_list = Table.ToColumns (Table.Transpose (Table2)), result = Table.RenameColumns (Table1, rename_list, MissingField.Ignore) in result. As you can notice, it needs to have a function. Now we have this: Both the 2nd and 3rd column need to be renamed, and we cannot double-click to rename, otherwise the refresh will fail tomorrow when the date changes to Nov 21, 2020. SOUTHWORKS Development on Demand is the new model for nearshore software development. Making statements based on opinion; back them up with references or personal experience. That will cause problems in the refresh. To use this we need to get the column names from the 2nd and 3rd row. As a rule of thumb, you should not use it in iterative functions. The easiest way is to create some base code in M by double clicking the column header and change the name in just something. The best way to maintain this data is to create a new table, which will be responsible of storing these translations. Youll notice I used {1} to get the second item in the list. https://bondarenkoivan.wordpress.com/2015/04/17/dynamic-table-headers-in-power-query-sap-bydesign-odata/, If you have the resulting column names you want, it seems like you could convert Source back to rows, then call Table.FromRows on List2, (Unless it is wrong to assume that e.g. This will open the "Rename" dialog box. We have only a single table argument entering our function (TableWithDirtyNames). Dynamic Column Names in Power Query - Goodly Does the 500-table limit still apply to the latest version of Cassandra? Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. where Table2 is "Rename Table" and Table1 is initial table with data. Each row will represent a different language: Please, notice that this table includes translations not only for column titles but for visual titles as well.
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