Full SQL Pushdown for Delete on joined tables

Hi,

I'm trying to figure out how to have Data Services generate one sql statement that deletes records from a target table joined with a temporary staging table based upon id. I cant figure out how to do this? Right now i'm mapping all normal rows to deletes, but that is still trying to issue multiple deletes from in-memory. Here is my dataflow:

I really do not want to issue a manual SQL statement to accomplish this. Can anybody help? This optimized sql should look something like this:

DELETE FROM consumers USING oxxford_suppress WHERE oxxford_suppress.id = consumers.id;