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Description
See #172 for background. This would work around some of the caveats noted there by:
- Detecting row deletions, probably just representing them as an update row with all non-key columns NA.
- For each explicit version, check whether a snapshot of
next_after(version)
was provided. If not, insert a snapshot revising all observations to NA with this version tag (next_after(version)
). ---- This is pretty inefficient space-wise. Maybe we would want to do something with the design of epi_archive to make more efficient options available.