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I am having trouble with interpreting an audit trail. The ultimate goal is to have a time slicer that allows the report user to see what the data looked like at any point in the past. Because I'm struggling, I'm taking a staged approach:
The real table has dozens of columns, but I hope that the information here will be adequate. I started with creating a new table with a summarize command. Then I improved the code a bit to be more accurate and flexible, and used CalculateTable:
2022Q2 =
VAR _filter = Filter(View, TRUE())
//VAR _filter = Filter(View, value(View[Date]) < Value(DATE(2022,07,01)))
RETURN
CalculateTable(View,
_filter,
filter(View,
View[Version] = MaxX(
Filter(_filter, (View[Key] = Earlier(View[Key]))),
View[Version]
)
)
)
Because the date is in the future, I can interchange the commented code with the VAR line and get the same, expected, result.
When I change the date to something in the past, I am dropping records incorrectly.
2021Q4 =
VAR _filter = filter(View, value(View[Date]) < Value(DATE(2022,01,01)))
RETURN
CalculateTable(View,
_filter,
filter(View,
View[Version] = MaxX(
filter(_filter, (View[Key] = earlier(View[Key]))),
View[Version]
)
)
)
The expected number should be over 1000 records. This count of 75 shows the records that were not updated this year - the records which have a max version before the filter date.
I would appreciate assistance in fixing the formula for creating tables at a fixed point in time.
Solved! Go to Solution.
I just solved my own problem while writing the question.
My original code was copied with the corrected filter before I saw that the result was right:
2021Q4 =
VAR _filter = filter(View, value(View[Date]) < Value(DATE(2022,01,01)))
RETURN
CalculateTable(View,
_filter,
filter(View,
View[Version] = MaxX(
filter(View, (View[Key] = earlier(View[Key]))),
View[Version]
)
)
)
This was the code used to get the wrong result - notice the filter in MAXX
(apologies if anybody was looking at this in the time it took me to see that it was solved!)
I just solved my own problem while writing the question.
My original code was copied with the corrected filter before I saw that the result was right:
2021Q4 =
VAR _filter = filter(View, value(View[Date]) < Value(DATE(2022,01,01)))
RETURN
CalculateTable(View,
_filter,
filter(View,
View[Version] = MaxX(
filter(View, (View[Key] = earlier(View[Key]))),
View[Version]
)
)
)
This was the code used to get the wrong result - notice the filter in MAXX
(apologies if anybody was looking at this in the time it took me to see that it was solved!)
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