Revert "Add several not_null constraints (#302)"

chop-dbhi / data-models

Collection of various biomedical data models in parseable formats.

https://data-models-service.research.chop.edu

27 stars 8 forks source link

Closed willshen99 closed 9 months ago

willshen99 commented 9 months ago

This reverts commit 6dca6f26a8fac04739d8a261a8a3a100372db190. The additional not-null constraint is problematic.