Variable based on Current Date in HANA View

Hi Experts,

We have a Analytic View on top of MHND table in HANA.

I am trying to implement Restriction on the Analytic View based on Run Date (LAUFD) so that we get only last 45 Days.

We want to keep the restriction as dynamic (based on current date) and tried to implement it as LAUFD >= (Current_Date - 45).

I tried to create a Variable on Run Date but could not successfully implement it.

Thanks,

Krishnendu Roy.