[GitHub] [couchdb] nickva commented on issue #2571: Fix bug in fdb_to_revinfo compatibility clause for format version 0 to 1

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nickva commented on issue #2571: Fix bug in fdb_to_revinfo compatibility clause for format version 0 to 1
URL: https://github.com/apache/couchdb/pull/2571#issuecomment-589330949
 
 
   @jaydoane if you feel up to a challenge :-) we have something similar to check reading in older local doc formats:
   
   https://github.com/apache/couchdb/blob/prototype/fdb-layer/src/fabric/test/fabric2_doc_crud_tests.erl#L845-L893
   
   If you start from version 0 that would run through version 1 and version 2 so you'd exercise all that code. If building those rev tuples from scratch is hard, maybe it's easier to create a few revisions via `fabric2_db:...` then read the tuples, shorten them and write them back (with plain old `erlfdb:set` as version 0). Then go through `fabric2_db` to read the revision and assert they were read correctly.
   
   

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