Don't buffer data in input blocked streams.  This saves a memcpy.
Don't buffer data in input blocked streams.  This saves a memcpy.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb