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BrownieTitan
New Member

Filter table on a value that doesn't exist yet

Hi everyone

 

I'm quite new to Power BI. I'm trying to create a report that takes a sharepoint list that, for every month has a bit of data filled in. I want to transpose (?) that data into different columns for all the months. 

 

I did this my creating different queries for every month and filtering on the month column using this formula (for example, for october):

 

= Table.SelectRows(#"Expanded TrackID", each ([TrackID.Month] = 10))

 

 

Which worked perfectly up until this week. Now however, it gives an error in cases where there aren't any rows for that month.

BrownieTitan_0-1703062923667.png

 

The behavior that I want is, for example, if now rows have been found for january, I want power query to return an empty table.

1 ACCEPTED SOLUTION
v-junyant-msft
Community Support
Community Support

Hi @BrownieTitan ,

Please try this way:

let
    Source = #"Expanded TrackID",
    FilteredRows = Table.SelectRows(Source, each([TrackID.Month] = 1)),
    Result = if Table.IsEmpty(FilteredRows) then Table.FromRows({}, Table.ColumnNames(Source)) else FilteredRows
in
    Result


Best Regards,
Dino Tao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

1 REPLY 1
v-junyant-msft
Community Support
Community Support

Hi @BrownieTitan ,

Please try this way:

let
    Source = #"Expanded TrackID",
    FilteredRows = Table.SelectRows(Source, each([TrackID.Month] = 1)),
    Result = if Table.IsEmpty(FilteredRows) then Table.FromRows({}, Table.ColumnNames(Source)) else FilteredRows
in
    Result


Best Regards,
Dino Tao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

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