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Andshepch
Advocate II
Advocate II

Custom Column Creation - Performance question

Hi all,

 

Does it make any difference if I add a Custom Column in the Query Editor versus by using a DAX calculation in the Desktop Report view please? I am thinking in terms of performance, as I need to get my report as efficient as I can get. Any and all help will be greatly appreciated. Thank you.

 

e.g.

 

Custom Column in Query editor

 

#"Added Custom" = Table.AddColumn(#"Changed Type", "Pipe CV €M", each [#"CV (converted).amount"]/1000000),

 

In Report View

 

Pipe CV €M = '1 NEU Pipeline'[CV (converted).amount]/1000000

 

Andrew

2 ACCEPTED SOLUTIONS
LivioLanzo
Solution Sage
Solution Sage

Hi @Andshepch

 

my suggestion is that you'd add this custom column with Power Query (or better yet from a view in the Data Source if you're importing from a database).

 

Also note that to create DAX measures you do not need to add this custom column as you can divide the amount by 10,000 directly in your measures

 


 


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View solution in original post

v-cherch-msft
Employee
Employee

Hi @Andshepch

 

I would suggest you create custom column in Query editor or create a measure in date view. Below is the article about performence for your reference. You may choose the best way according to your data model.

Power BI performance best practices

 

Regards,

Cherie

Community Support Team _ Cherie Chen
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

2 REPLIES 2
v-cherch-msft
Employee
Employee

Hi @Andshepch

 

I would suggest you create custom column in Query editor or create a measure in date view. Below is the article about performence for your reference. You may choose the best way according to your data model.

Power BI performance best practices

 

Regards,

Cherie

Community Support Team _ Cherie Chen
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
LivioLanzo
Solution Sage
Solution Sage

Hi @Andshepch

 

my suggestion is that you'd add this custom column with Power Query (or better yet from a view in the Data Source if you're importing from a database).

 

Also note that to create DAX measures you do not need to add this custom column as you can divide the amount by 10,000 directly in your measures

 


 


Did I answer your question correctly? Mark my answer as a solution!


Proud to be a Datanaut!  

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