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hi everyone,
i have the following table provided.
every material should have a unique material number. If there are more than one material number for a material, a table like the following table should inform the user
thanks in advance
Solved! Go to Solution.
Perhaps something like:
Measure = VAR __table = SUMMARIZE('Table',[Material],[MaterialNumber]) RETURN COUNTROWS(__table)
Perhaps something like:
Measure = VAR __table = SUMMARIZE('Table',[Material],[MaterialNumber]) RETURN COUNTROWS(__table)
@Greg_Deckler Thanks it works!
I am trying to understand the solution. Why does it work.
Summarize actually return a table with two columns: Material and MaterialNumber.
So the COUNTROWS( ) function counts the rows of the first column of the VAR __table?
Well, it works because SUMMARIZE returns distinct results for each summarized column. So, because you are summarizing by 2 columns, you are essentially going to get back a table with all of the distinct combinations of those two columns. Now, in the context of having material, this means that any material that has 2 material numbers will return 2 rows, because there are 2 unique material numbers for that material. However, if you put this measure in the context of material and material number, I don't think it would work necessarily.
Read my blog last week. Towards the end I show you how to do this in Power Query.
https://exceleratorbi.com.au/preventing-managing-refresh-failures-in-power-bi/
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