Measure should ignore global date filter, but has own

[maryna_hubska]

Hello!

I have global date filter, but need to calculate measure for the previus period of choosen (start date of filtered period is end date for previous period). Unfortunately, set analysis not work(

I have start_date, end_date variables of my Date. Also I have create a start_date_compare_period variable

start_date_compare_period=date(start_date-interval#(end_date-start_date,'DD'), 'DD.MM.YYYY')

My measure is 

sum({<Type={'Demands'},
[Date]={'<$(start_date)>$(start_date_compare_period)'}  >}
quantity*price)

This not working(