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I have a list of rooms in facilities, eg:
FacilityID | Facility Name | partOf |
1 | Health Centre | 0 |
2 | Office | 1 |
3 | Xray Department | 1 |
4 | XRay Room 1 | 3 |
5 | XRay Room 2 | 3 |
6 | Pharmacy | 0 |
Facilities without a parent will have the parent ID of 0. I need to find the top level parent of each facility using DAX and save it as a seperate column called ParentFacility, to yield a calculated column as follows;
FacilityID | Facility Name | partOf | Parent |
1 | Health Centre | 0 | 1 |
2 | Office | 1 | 1 |
3 | Xray Department | 1 | 1 |
4 | XRay Room 1 | 3 | 1 |
5 | XRay Room 2 | 3 | 1 |
6 | Pharmacy | 0 | 6 |
Thanks in advance. I can only figure out how to do this with nested if statements but there's no max level, so any help would be hugely appreciated.
Thank you!
Solved! Go to Solution.
@Anonymous
You can make use of DAX PATH functions for this.
You will need to adjust the partOf column to convert zero values to blanks however.
1. Create a calculated column partOf Adjusted that converts zero to blank:
partOf Adjusted =
IF ( Facility[partOf] <> 0, Facility[partOf] )
2. Created the calculated column Parent:
Parent =
PATHITEM (
PATH ( Facility[FacilityID], Facility[partOf Adjusted] ),
1
)
The PATH function recursively constructs the path from topmost parent to a given node, and PATHITEM is used to extract an item in a particular position, in this case position 1.
Regards,
Owen
That works perfectly and I learned something about heirarchies. Thank you so much!
@Anonymous
You can make use of DAX PATH functions for this.
You will need to adjust the partOf column to convert zero values to blanks however.
1. Create a calculated column partOf Adjusted that converts zero to blank:
partOf Adjusted =
IF ( Facility[partOf] <> 0, Facility[partOf] )
2. Created the calculated column Parent:
Parent =
PATHITEM (
PATH ( Facility[FacilityID], Facility[partOf Adjusted] ),
1
)
The PATH function recursively constructs the path from topmost parent to a given node, and PATHITEM is used to extract an item in a particular position, in this case position 1.
Regards,
Owen
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