Fixing the batcalc operator reference error. Re-enabling the accumulator pipeline.
Fixing the batcalc operator reference error. Re-enabling the accumulator
pipeline.

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