The deal is primarily that I have to do this with several different tables, and it felt like a step that could possibly be done in 1 step vs several (i.e. But adding a new column is not always a good idea, especially when you can do it in a simple single step in Power Query. Data Visualisation Instead, create an additional column and replace the existing column with the new column. Stack Overflow for Teams is moving to its own domain! Save my name, email, and website in this browser for the next time I comment. This video teaches how you can replace values based on a condition. I highlighted the each as it is an important keyword in Power Query. If [Host] only appears at one end, you only need either the two lines before or after this ampersand. All you need to do now is to modify the code with the correct logic. To read more about how to reference in Power Query have a look at my previous post here. Query Parameters You are right. I endeavour to keep the Quick Tips series as short and as informative as possible. So in this case it's saying "for my next trick I will perform an action calledReplaced OTH". 1) Merge Table1 with Table2 by the Phone Number column. = Table.ReplaceValue(#"Capitalized Each Word", 40, each if [JobTitle] = "Admin" then 100 else [ContractedHours], Replacer.ReplaceValue,{"ContractedHours"}), = Table.ReplaceValue(<- summoning the replace-some-values function, #"Capitalized Each Word",<- the name of the previous step, yours will be different, 40,<- the number we're going to replace, each if [JobTitle] = "Admin" then 100 else [ContractedHours],<- here's the key bit: after the "else", replace it with the ContractedHours i.e. Soheil, Thanks for much. On the Home tab, in the Transform group. Or if you just want to update the original table and column you could try this instead: Table.TransformColumns (#"Replaced Value2", {"type-Copy", each if Text.Upper (_) = "X" then "1" else "-1"}) It transforms each cell in the type-Copy column based on whether the current entry is an X or not. 0. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Thanks for contributing an answer to Stack Overflow! Then depending on the selected value for the query parameter we add a dot or remove a dot to the text: let Data Quick Tips: How to Filter a Column by another Column from a Different Query in Power Query, Quick Tips: How to Quickly Switch Between Report Pages in Power BI, Conditional Replacement in Power Query Curated SQL, Dynamically Passing Parameters to a SQL Stored Procedure in Excel 365 Using Power Query, Slowly Changing Dimension (SCD) in Power BI, Part 2, Implementing SCD 1, Slowly Changing Dimension (SCD) in Power BI, Part 1, Introduction to SCD, Thin Reports, Report Level Measures vs Data Model Measures, Look at [ProductSubcategoryKey] column from the current query. This might be a bit simplistic, but here's one solution: = Table.ReplaceValue(#"Changed Type",each [Path],each if Text.Contains([Path],[Host]) = true then [Path] else [Host] & "/" & [Path],Replacer.ReplaceText,{"Path"}), = Table.ReplaceValue(#"Changed Type",<- same start as ever, each [Path],<- we're tackling every value in Path. ETL On the column shortcut menu. I just got this working for multiple columns with the following line: = Table.ReplaceValue(#"Expanded TS opps", null, each if [Sales Stage] = "Closed" then "Closed" else "Absent",Replacer.ReplaceValue,{"SP Status", "TS Status"}). Business Intelligence and Data Visualisation. Use the following expression in Power Query Editor to create a query parameter with a list of values, US-English and UK-English: "UK-English" meta [IsParameterQuery=true, List={"US-English", "UK-English"}, DefaultValue="US-English", Type="Text", IsParameterQueryRequired=true]. If you wanted to replace [Host], not just remove it, then you could add something else here then another & afterwards. You are right, Replacer.ReplaceValue is safer. Example 1. My solution works though, but the code you are looking for: Edit: it seems you switched "old" and "new" in your cide. First you need to remove the null from cell A11 in your file before loading to Power Query. For example, race is encoded as 1,2,3,4,5 but I want to replace it with Asian, Black, Native, etc according to the response labels provided. PASS Data Community Summit 2022 returns as a hybrid conference. "), "."}) Welcome to BIInsight.com. The result is a list of values of that particular column. 4) Add a new Conditional Column saying. Is it SQL server, MySQL or any other supported DBMS? 0. On the cell shortcut menu. The replace values operation has two modes: Replace entire cell contents: This is the default behavior for non-text . For your reference, I wrote an elaborate guide on replacing values based on conditions. For example in the following table the PO "1006" should have the Category "C" instead of the Category "D": Get more patterns, tricks and courses for Power Query on www.powerquery.trainingRegister for our next live online Power Query Workshop as wel:http://powerque. Ive seen a lot of Power Query (M) developers adding new columns to accomplish that. The meaning of "lest you step in a thousand puddles with fresh socks on". The EMP query and the current query has the relationship with the key [EMP_NUM]. Transformation, Click to share on LinkedIn (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Skype (Opens in new window), Click to email a link to a friend (Opens in new window), Quick Tips: Conditionally Replace Values Based on Other Values in Power Query. Did you use the [field] shorthand for a _[field] outside of an 'each' expression? = Table.ReplaceValue(#"Replaced Value1", each [mycode], each if [othercode] = "K0606" then "RR" else [mycode],Replacer.ReplaceValue,{"mycode"}). After any of the 3 steps, the Replace Values pop-up screen appears. SSDT Not the answer you're looking for? "SP Status" and "TS Status" based on your criteria. Power Pivot Are you referring to the relationships in you source DB or in Power BI? Replacer.ReplaceText,{"Path"})<- finally, as before, which column we're doing the replacement in. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); AAS Azure Replacer.ReplaceValue,{"ContractedHours"})<- which column we're doing the replacement in. Using the standard Power Query Table.ReplaceValue() function you can simply replace blank Country values with a single specific Country such as Atlantia. I've got two fields, path and host. The data type of the Country column is preserved as Text rather than being changed to Any. 0. date difference in one column based on second column value Power Query. On the Transform tab, in the Any column group. &<- So up to this point you've got everything from [Path] before where [Host] appears. Power BI Premium Capacity #"Conditionally Replace Values" = Table.ReplaceValue(Source,each [Column], each if Parameter = "US-English" then Text.Combine({Text.Remove([Column], ". Thanks. replace it with itself i.e. In conclusion, knowing how to conditionally replace values in one column with values from another column in a single step is a useful skill. Right click on a value in column B and click Replace Values. I can't seem to get this to work in query editor: #"Replaced OTH" = Table.ReplaceValue(#"promote header"," ","OTH",Replacer.ReplaceValue,{"Gender"}),#"Replaced Gender" = Table.ReplaceValue(#"Replaced OTH",each if [Surname] = "Manly" then "Male" else [Gender],[Gender],Replacer.ReplaceValue,{"Gender"}). The relationships are set in Power BI. However, i did not want to create a new Payroll Number column, as most other people suggested. Hi Ralph. Syntax. Here you can see that the null and empty values in the Country column have not been replaced. In this article Syntax Table.ReplaceValue(table as table, oldValue as any, newValue as any, replacer as function, columnsToSearch as list) as table About. each if Text.Contains([Path],[Host]) = true then<- first step is to test if the [Path] contains the [Host]. How do magic items work when used by an Avatar of a God? I've come up with a solution, though I will say it's well outside my comfort zone so it's perhaps not the most beautiful/efficient version. For example, assume I have Table1 as follows: I would like to transform the values in Column A based on the values in Column B, without having to add a new column and replace the original Column A. I have tried using TransformColumns but the input can only be the target column's value - I can't access other field values in the row/record from within the TransformColumns function. It gives me an error: Expression.Error: There is an unknown identifier. I made the change as following and got blanks: = Table.ReplaceValue(#"Changed Type",null,0,Replacer.ReplaceValue, {"Jan 20", "Feb 20"}) Remove the {} section and replace it with Table.ColumnNames (Previous Step) Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Replacer.ReplaceText,{"Path"})<- and end by saying which column we're looking at. Table.ReplaceValue( Table.FromRecords({ [a = 1, b = "hello"], [a = 3, b = "goodbye . Before you can do the fill up operation, you need to transform those empty cells into null values: select the column, go to the Transform tab, and then select Replace values. DAX 3) Then you will have two Employee Names columns (replacement +old ) and one Phone Number column. what if each [C] is a column in another querys table? Electric Oven Broiler Connection Burned Off. It looks like there's a comma missing after the last ReplaceValue. This is just here to glue together the before and after. The general construct is: = Table.ReplaceValue( #"Changed Type", each [Gender], each if [Surname] = "Manly" then "Male" [Gender] , Replacer.ReplaceValue,{"Income . Power Query After the = sign, you get the name of the function that's being applied in this line, and then the first bit in the bracket is the name of the previous line. PASS Data Community Summit 2022 returns as a hybrid conference. I can find the EMP_NUM in the EMP query. i want to replace the value of a column if another column = something. I would like to transform the values in Column A based on the values in Column B, without having to add a new column and replace the original Column A. I have tried using TransformColumns but the input can only be the target column's value - I can't access other field values in the row/record from within the TransformColumns function. Replace the selected value with any desired value. Replacing values based on certain conditions however, may not seem that easy at first. M Role-playing dimension But you raised a very sensible point. Go to the Transform tab -> click on Replace Values. I.e. ok thanks that seem to work but i was checking this website and it shows someone got it to work. It is also complex because of the use of Replacer.ReplaceValue for the two innermost and the outermost Table.ReplaceValue() steps and then the use of Replacer.ReplaceText for the in-between Table.ReplaceValue() step. I'm working with the American Community Survey in Power BI and want to replace values in every column with corresponding values in another table of response labels. Additionally I have to do this with multiple columns per table and what's nice about TransformColumns is it can be applied to multiple columns at once whereas AddColumn adds one at a time. So - in your example. Anyways Lets remove the new column we created previously and go through the second scenario.
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power query replace value based on another column