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Helper I

## DAX for two Date Keys in one table

Hi - I do have a Power BI model with ShipDateKey (Active) and OrderDateKey (Inactive) for fct Sales joined with DimCalendar. I am looking for a DAX calculation that gives me SUM of GrossPrice where ShipDateKey is Current Month ( Jan 2021) AND Order Date is (Dec 2020).

I also have DimCalendar with Column RelativeMonth (-1,0,1) as 0 Previous Month and 1 as Current Month.

The SQL for the calculation should be like this.

SELECT SUM([Gross Price]) GP
FROM [DW].[dbo].[v_fctSales]
WHERE OrderDateKey LIKE '202012__' AND ShipDateKey LIKE '202101__'

1 ACCEPTED SOLUTION
Super User III
``````Measure =
VAR Y1_ =    YEAR ( TODAY () )
VAR M1_ =    MONTH ( TODAY () )
VAR Y0_ =    YEAR ( EDATE ( TODAY (), -1 ) )
VAR M0_ =    MONTH ( EDATE ( TODAY (), -1 ) )
RETURN
CALCULATE (
SUM ( Sales[Gross Price] ),
YEAR ( Sales[ShipDateKey] ) = Y1_,
MONTH ( Sales[ShipDateKey] ) = M1_,
YEAR ( Sales[OrderDate] ) = Y0_,
MONTH ( Sales[OrderDate] ) = M0_
)
``````

Please mark the question solved when done and consider giving a thumbs up if posts are helpful.

Contact me privately for support with any larger-scale BI needs, tutoring, etc.

Cheers

3 REPLIES 3
Super User III
``````Measure =
VAR Y1_ =    YEAR ( TODAY () )
VAR M1_ =    MONTH ( TODAY () )
VAR Y0_ =    YEAR ( EDATE ( TODAY (), -1 ) )
VAR M0_ =    MONTH ( EDATE ( TODAY (), -1 ) )
RETURN
CALCULATE (
SUM ( Sales[Gross Price] ),
YEAR ( Sales[ShipDateKey] ) = Y1_,
MONTH ( Sales[ShipDateKey] ) = M1_,
YEAR ( Sales[OrderDate] ) = Y0_,
MONTH ( Sales[OrderDate] ) = M0_
)
``````

Please mark the question solved when done and consider giving a thumbs up if posts are helpful.

Contact me privately for support with any larger-scale BI needs, tutoring, etc.

Cheers

Super User III
``````Measure =
CALCULATE (
SUM ( Sales[Gross Price] ),
YEAR ( Sales[ShipDateKey] ) = 2021,
MONTH ( Sales[ShipDateKey] ) = 1,
YEAR ( Sales[OrderDate] ) = 2020,
MONTH ( Sales[OrderDate] ) = 12
)``````

Please mark the question solved when done and consider giving a thumbs up if posts are helpful.

Contact me privately for support with any larger-scale BI needs, tutoring, etc.

Cheers

Helper I

Hi @AlB - This way my DAX will become static and I need a dynamic solution that can determine the Current Month for the Ship date and the previous month for the Order Date. Is there a way we can write a DAX using relative Calendar month ?? I Do have that in my dimCalendar and it changes dynamically.

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