- cyclomatic complexity; break up reflecttable(), goes from E to B
- cyclomatic complexity: instrument_class goes from E to an A
- cyclomatic complexity: _join_condition goes from E to a B
- cyclomatic complexity: _get_colparams() becomes sql.crud._get_crud_params,
CC goes from F to D
- cyclomatic complexity; break up visit_select, goes from F to D