* WIP mutation to populate event session columns
* Remove duplication
* report errors, allow_nondeterministic_updates
* use right columns
* Update existing columns instead of session_* ones
* Make dialyzer happy
* Fix issue with passing pre-existing params in
* Logger -> IO.puts
* Use IngestRepo.config for connection settings
* Make dictionary options configurable
* Move allow_nondeterministic_mutations to within the migration
* Solve credo warning about too deep nesting
* Missed logger call
* Pattern matching in function head
