Dynamically rename a set of columns using Power Query, https://bondarenkoivan.wordpress.com/2015/04/17/dynamic-table-headers-in-power-query-sap-bydesign-odata/, How a top-ranked engineering school reimagined CS curriculum (Ep. Making statements based on opinion; back them up with references or personal experience. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 10000000 -- High - Low - High - Low - High - Low, 10000001 -- Low - Low - Low -Low -Low - High, Once I Imported this table into powerBI I can display such information in a table (Visual). Check it out!Elite Power BI Consulting:https://bielite.com/Data Insights Tools:https://www.impktful.com/Link to PBIX:https://www.dropbox.com/s/fhcsodi6mms8d89/Dynamic%20Columns%20in%20a%20Table%20-%20Finished.pbix?dl=0To enroll in my introductory or advanced Power BI courses:https://training.bielite.com/Connect with me on Twitter!https://twitter.com/PowerBIElite For the moment I am going to rename the columns manually by double clicking on the column headers and changing the names. previous 2 = measure. I can skip the Table.Transpose by using Table2 = Table.FromRows({List1,List2}). It says all of the columns in the table are invalid and I have to redrag the newly named columns to get it to work again. How about you take one of our courses? 2.) Is there a more intelligent way of doing it? I need this that i can use same template in every customer case and i dont have to change Dimension names every time i change data source. Pretplatom na newsletter prihvaate politiku privatnosti koja se nalazi u podnoju. This is so Power Query will generate the Table.RenameColumns() step for us and we will make minor tweaks. What's the function to find a city nearest to a given latitude? Here you can find the available courses:https://curbal.com/courses-overviewABOUT CURBAL:Website: http://www.curbal.comContact us: http://www.curbal.com/contact************************QUESTIONS? If your table is empty, then I think you'll get an error when looking up the value in the first row (as there won't be a first row in such circumstances). This will pick up all column names ending in . Now fetch the names that are currently applicable to the columns. When I rename columns it breaks the tables I have made. SUGGESTIONS? To rename a column heading using Power Query, first select the column you want to rename. Power Query - conditional column with multiple entry criteria, How to get Column Names dynamically in Excel Power Query, Power Query: how to add columns for each row in a list, Power Query: (Data from Folder) New CSV with added columns replacing last columns from other csv in folder. All we need do is create a connection to SQL Server and import the FactInternetSales table to Power BI as seen below. In this video, I take you through a quick tutorial to demonstrate how to set up dynamic columns in a table in Power BI. If Department 2 will use my application that time the field names will be A B C which will replace the same Data Table(Table1) field names i.e F1 F2 & F3. This is because this column is the only one that does not require multiple translations and therefore its header title will always remain static: Here will be stored the columns that need to have a dynamic header title. If total energies differ across different software, how do I decide which software to use? We have a simple report that shows some useful insights about US states: So far so good, but it turns out that this report will be consumed by several people from around the globe, whose mother tongue isnt necessarily English. As always, set the data types for all columns at this point too now that we know what our column names will be. Specializing in Power Query Formula Language (M), Power Query Formula Language (M), when I apply those chnages to dashboard the visuals were failed load. R1-6 represent their spend classification in text in regards to the current Month - For example today's date is 4th of May, 2020 then R1 represent Classifications in April and R2 for March etc etc. "Signpost" puzzle from Tatham's collection. As the list of supported languages grows, more visualizations and bookmarks will need to be created, making it hard to scale in the long run. Follow these steps in order to change column name dynamically. Thanks for contributing an answer to Stack Overflow! The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? Can you clarify on "Dimension" being the previous step of the code? The easiest way to rename a column in Power Query is to do it the same way you do in Excel - just double-click it and rename it. We also get your email address to automatically create an account for you in our website. Lets analyze the following scenario. If we try to change the column names manually, this is the code we get: Now, if we focus on the second argument of the Table.RenameColumns() function, we can see that it is returning a nested list of lists! Notice the Index column has values 0, 1, 2 repeating. Renaming Column Headers. If you have a table with old and new names then you can use following pattern. This visual allows us to generate the title based on a measure: And thats it, the custom visual is ready to be tested. The standard function to rename columns in the query editor of Power BI or Power Query is Table.RenameColumns. This slicer will grow automatically as we include more languages to the Internationalization table, making it easy to scale: Now we need to import and configure the custom visual. Right-click the column of your choice: A contextual menu is displayed and you can select the Rename option to rename the selected column. Log In, Curbal has its own social media server on Mastodon. In the CleanColumnNames step we called the table as it was at the source step (before we created the nested lists step), and as a second argument to the Table.RenameColumns() function we provided the nested lists applied step. If I change the underlying sql script so that the column names are changed dynamically at the start of every month then it won't refresh because the same column names cannot be found by next month in the displayed table. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? {} is a syntax for creating a list object, and inside of that object, we added old and new column names separated with a comma. If you have a table with old and new names then you can use following pattern. The underscore is a record type argument holding all the column values of the current row of an iteration. I think I need to merge List1 and List2 into a single list of pairs, but can't figure out the correct syntax. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. The first thing we do after importing the Excel file into Power Query is to remove the first 5 rows. previous = measure. I need to create a global application where we will have an actual data table. (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({}); Hope you enjoyed the post. However, when you rename columns through some dynamic logic, this mechanism isn't triggered and the column references in reports are broken. 3- Create relationship between both datasets on the basis of Index. The keyword each is a sugar syntax for iterating function invoke that is holding a single underscore argument that is entering the function. Thank you. this looks like a bug - you should send a frown" [2015], "Once the column name changes the report breaks because it's expecting the previous column name" [2017]. From basic find and replace to more complex formulas, we've got you covered. Dynamic column values: defines the table columns which their header title must be dynamic. As pointed out by Imke, you can feed this issue . We use cookies to ensure that we give you the best experience on our website. After we transformed that record to a table, we duplicated the values column which is holding the old column names. Replace the format string with the following DAX expression, and then press Enter: DAX. Thanks, that video makes much more sense! So if user is selection Money in column names should be (EUR) and if selected volumes it should be written (HL). I don't think there is anyway to rename column dynamically, You can create 5 measures, using current date and figure out all the years, You can add those measures to a table/matrix and overlay it on your main table. Using the general approach of demoting headers -> transposing tables -> cleaning the first column -> transposing again was not an option because files were big, therefore double transpose would take forever to process. something like "revenue June 2018 ". For this sample English, Spanish and French will be supported: First, we will add a slicer to let the users choose their language. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? The easiest way to rename a column in Power Query is to do it the same way you do in Excel - just double-click it and rename it. If that is something else then you must use that step, e.g. As you can notice, it needs to have a function. 2- After that create duplicate dataset for columns un-pivot. The try/otherwise construct takes care of it. The largest, in-person gathering of Microsoft engineers and community in the world is happening April 30-May 5. 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. 1) We need that date in a new Date column so we can relate it to a Date table later. From the ribbon, click Add Column > Index Column (dropdown) > From 0. Finally figured it out using the following function, Table.TransformColumnNames(table as table, nameGenerator as function, optional options as nullable record) as table. Power Query indexes at zero, so {0} would return the first item. I like it - it will always pair up the correct oldname/newname pairs. We will need to use Table.RenameColumns() function, but with a dynamic argument holding column names to change. The solution is simple, instead of using a static text box, like in the first approach, well opt for a card. Benedikt Alat za raunovodstveni kontroling i analizu, {0} in DemoteHeaders step is used to create a record from a table holding only the first row from the demoted headers source table. It is each column name in the table from the Promoted Headers step. I'll step it out in my original problem for completeness. The table columns can have either a static header title or a dynamic header title. Hi, @MarcelBeug. Does the 500-table limit still apply to the latest version of Cassandra? If you wish to follow along or use the final function in your solutions, you can download the Excel file here. 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. To get a nested list of lists, we also need to transform that NestedLists column to a list. Better to show it, here is Power Query code snippet, query "columnNames . STEP 1: Import the dataset. Effect of a "bad grade" in grad school applications. you said "TransformColumnTypes", did you mean TransformColumnNames? 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. When a gnoll vampire assumes its hyena form, do its HP change? when i select a month from slicer , i want to see my meaure "revenue" with the month name from slicer. i am exactly looking for this solution. Name 2 will always be the second column.). Not the answer you're looking for? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Does anyone know a good workaround to preserve column references in the visuals after applying such a bulk rename step? Absolut same issue - would be good to have a solution in here. Change column name Dynamically on visuals in Power BI. This is the simplest part of the tip. F1 F2 & F3. Now that we have the correct argument form, we need to create a function that would accept a table variable with messy column names and clean it with the logic we already set in the list argument.Following is the complete M function code: We used this technique to dynamically change column names without transposing the table structure. The hide/show effect can be achieved using bookmarks: Nevertheless, this method has a big downside. It should be this again: 6) Replace the 11/20/2020 Production Quantity" with Table.ColumnNames(#"Promoted Headers"){1} and replace 11/20/2020 with Table.ColumnNames(#"Promoted Headers"){2}. My knowledge is specifically with Power Query. Now we have 2 columns holding wrong and correct column names that we need to transform to list of nested lists.The easiest way to achieve that through the PowerQuery user interface is to add a new custom column and write the following expression. We put the whole logic of nested lists inside of a ListObjectWithCleaningLogic step. If it works, give me the result. Series: https://goo.gl/FtUWUX- Power BI dashboards for beginners: https://goo.gl/9YzyDP- Power BI Tips \u0026 Tricks: https://goo.gl/H6kUbP- Power Bi and Google Analytics: https://goo.gl/ZNsY8lPOWER BI COURSES:Want to learn Power BI? The first 5 steps give my my column value (the publication year +1). 2) On the Add Column ribbon click Add Custom Column. In the Measure tools ribbon, click the Format drop down, and then select Dynamic. On the other side, doing so makes Power Query code less readable and editable plus you need to do some typing (coding). Why typically people don't use biases in attention mechanism? I am trying to dynamically rename a set of columns in Power Query, List1 being the original column names and List2 the new column names. Would there be a way to utilize a Switch or IF function for the name based on a slicer? The filtering is set to single select to avoid selecting multiple languages at once. Any help would be most appreciated! I currently have a table like the one below (I know it's kind of odd logic): I would like to have the columns instead show the following: Since the data source I get this from automatically changes the first five columns to the appropriate year, I was hoping I could set the "Value" columns to have dynamic names based on the values found in the first five columns. Introduction In this example, we will explain a very important feature of CALCULATE filter arguments. In this code "Dimension" is the name of your previous step in the code. There are three ways to rename a column in Power Query. Generating points along line with specifying the origin of point generation in QGIS. Not the answer you're looking for? Use the Remove Rows button on the Home ribbon, and remove the top 5 rows. Does a password policy with a restriction of repeated characters increase security? If you did double-click though, this would be the formula Power Query would generate: We need to replace the first part of the renaming list (the list is in the curly brackets). Next, we need to zip the new names and the old names together using List.Zip. :)Here you can download all the pbix files: https://curbal.com/donwload-centerSUBSCRIBE to learn more about Power and Excel BI!https://www.youtube.com/channel/UCJ7UhloHSA4wAqPzyi6TOkw?sub_confirmation=1Our PLAYLISTS:- Join our DAX Fridays! This is how the final product looks: Both the source code of the custom visual and the sample report can be found in this public repository along side with more technical details about how this demonstration was achieved. Its based on three core promises: transparent pricing, short-term flexible contracts, and time zone affinity. Some issues: For simplicity, I've hard coded the 5, but if your table can change (such that the columns you need to rename may not always be the last 5), then a more dynamic approach might be something like: oldNames = List.Select (Table.ColumnNames (someTable), each Text.EndsWith (_, " Value")). Connect and share knowledge within a single location that is structured and easy to search. Just think about having to support 20 different languages, the report would rapidly turn into a nightmare. What's up guys! I have released my first template app which is Free to download here: http://bit.ly/2othNWm and one trick I use is to change column names based on parameters. As Power BI designers, we always put our focus on giving the best experience to the users that will interact with our dashboard and reports. Copy. 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. For this scenario, we will implement the following ones: The association between the dynamic column values and dynamic column headers will be done through their data role index.