Chunking up writes to big query (#21)
Chunking up writes to big query (#21)

* Chunking up writes to big query

Bigquery only allows to write 10k rows at a time. Recommendation is to
choose a much lower chunk size though. Thus we split our writes in
chunks of maxsize 1000 rows at a time.

* Addressing comment.
* fix indent
* fixing introduced bug in refactor

cartographer-project/infrastructure,googlecartographer/infrastructure,cartographer-project/infrastructure,googlecartographer/infrastructure,googlecartographer/infrastructure,cartographer-project/infrastructure