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How to collapse rows with individual, contiguous dates into single rows with date range start and end
Given a data set like this:
Id
Date
Value
1
01/01/2021
100
1
01/02/2021
100
1
01/03/2021
100
...
... (rows omitted for brevity)
...
1
12/29/2021
100
1
12/30/2021
100
1
12/31/2021
100
2
01/01/...
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