Add refresh CDM command

[AndyRae]

Is this the right issue type?

• Yes, I'm planning work for this project team.

Summary

omop-lite should be able to update a CDM.

updating a cdm is basically impossible though, as you'll do a diff between them.

so instead it should rename schemas and reload new data. it is a refresh.

Add an refresh command

1. create new staging schema
2. create new cdm here
3. rename existing omop schema to archived_omop_cdm_{date}
4. rename staging schema to this

Acceptance Criteria

• refresh command works
• Tests pass.
• Documentation added.

Tasks

• add refresh command
• Unit tests.
• Documentation.

Confirm creation

• Ready to create this deliverable?