Dose Metabase have the similiar built-in range variables for sql ,like
select * from t where created_time >= date_sub($_from, 30 day).
When I calculate month-over-month metrics, I actually need the previous month's data compared to other time filters.
So I wanted to flexibly use time variables like Grafana's built-in time variables to get the data I needed. Grafana time range variables doc
when I choose Date Range Filter ,can I get the start date timestamp with built-in variable for custom date function ? And the origin range date still work for other quetions panel in the dashborad