Magic ETL - Sum of values in a column
In my dataset i have a column "A" and there are numbers in that which represent spend. I want to create a new column in which i want sum of all values in A to be available in the new column in all rows.
Eg. If sum of all values in column A is 125, and I have 10 rows, then in the new column "B" I want 125 in all 10 rows and it should update as well if the number of rows add up and Sum of spend increases. I tried to do a Sum and Over in ETL Add formula but Unable to get results. Can You please help me with the right formula to work with
Best Answers
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You can group by your partition / bucket that you're wanting to sum across. If you want to do it over the entire dataset, use a formula tile to create a new field called "Join Column" with a value of 1 then group based on that new field. After the group by you can use a join tile to join your aggregated data back to each row utilizing your partitioning columns (or the Join Column you created if across the entire dataset).
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Hey @MayaU_01 , in Magic ETL you'll calculate the sum of the column in a group by tile. You'll then rejoin that back to the rest of the data on 1=1 so that it appears in every row of data.
Here is a recording walking through it:
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Answers
-
You can group by your partition / bucket that you're wanting to sum across. If you want to do it over the entire dataset, use a formula tile to create a new field called "Join Column" with a value of 1 then group based on that new field. After the group by you can use a join tile to join your aggregated data back to each row utilizing your partitioning columns (or the Join Column you created if across the entire dataset).
**Was this post helpful? Click Agree or Like below**
**Did this solve your problem? Accept it as a solution!**0 -
Hey @MayaU_01 , in Magic ETL you'll calculate the sum of the column in a group by tile. You'll then rejoin that back to the rest of the data on 1=1 so that it appears in every row of data.
Here is a recording walking through it:
If I solved your problem, please select "yes" above
0
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