db/fields:
db/fields:

Fixed another minor logic error in NullFloatField.


Former-commit-id: c371fa38e84f5c4bfca32fa3618dd669ccd790f3 [formerly c371fa38e84f5c4bfca32fa3618dd669ccd790f3 [formerly 6b4115c74375650987d756f44e2a9447c9528f4d]]
Former-commit-id: 20ff41ffc69e502e1bf10fa7ccdc5e17945b240f
Former-commit-id: ac71e208e3d79071890126101fda33636d3cd6c6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine