Darkstar.Industries
Darkstar.Industries

Reputation: 63

Powerquery - Index column which restarts based on a grouped column

I have a table which contains 2000 entries. I want to add an index column to the table which will "reset" for each unique entrie in another column.

Hopefully the below table will help explain it

Team Name Library Name Index
Team 1 January 1
Team 1 January 2
Team 1 January 3
Team 1 February 1
Team 1 February 2
Team 1 February 3
Team 1 March 1
Team 1 March 2
Team 1 March 3
Team 1 March 4
Team 1 April 1
Team 1 April 2
Team 1 April 3
Team 1 April 4
Team 1 April 5

I just can't get my head around how to achieve this. Any ideas would be appreciated.

Upvotes: 1

Views: 941

Answers (1)

davidebacci
davidebacci

Reputation: 30219

Start table:

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Group by:

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Add new column:

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Expand and remove old columns:

enter image description here

Upvotes: 3

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