db/schema/openquake.sql:
db/schema/openquake.sql:

Initial sketch of `uiapi.risk_calculation` model.


Former-commit-id: 9cbd550b2f347aa7f27da30002d2293f240a7518 [formerly 14dbdf97d6ddc017c7d27e399a32a6c6c399c18e]
Former-commit-id: cffc82b080b902334785199ce1b004c213ba6e17
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine