Forum Discussion
Anonymous
3 years agoNot applicable
Changing source with a reduced CSV file
Hi dear community, I work to set a reporting weekly refreshed. The problem is I made my reporting with a huge exctraction (30 columns, 50mb), and for performance reasons we decided to now use a l...
Anonymous
3 years agoNot applicable
Thank you for your quick response.
I made what you suggest until my Power Query step where I delete my non essentials columns.
I suppose I maybe have to delete those columns upstream in my original CSV file ? But I expect my Power Query will dont run at all from the start then ?
Idrissshatila
Super User
3 years agoHello Anonymous ,
Just look at the advanced editor to see the M code for the applied steps and search for the removed columns if they're still referenced.
If I answered your question, please mark my post as solution, Appreciate your Kudos 👍
- Anonymous3 years agoNot applicable
I get what you suggest ! But in the M code of the my deleting step I have to refer to my suppressed columns.