Moritz Schott

https://github.com/GIScience/oshdb/tree/metadataRework

Looking at the TT it might be good to enhance it in general (e.g. prepare PreparedStatements only once etc.) But any way, here is a possible start for an implementation...

https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/oshdb/issues/82

https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/oshdb/issues/84

https://github.com/GIScience/oshdb/commit/84a23699a47d78c9950760ad8fd32487add4d175

- [ ] the number of changesets and their geographic extend qualify them to be a central part of the oshdb. Moving them from posgres to the core of oshdb...

maybe add anon_changesets_agreed (whatever that is...) https://planet.openstreetmap.org/users_agreed/

seems to be strongly related: https://gitlab.gistools.geog.uni-heidelberg.de/giscience/big-data/ohsome/oshdb/issues/127

proposed solution: Introduce ```ContributionType.VersionNoOnly``` with a well defined specification: "This ContributionType is present if there is no change to the object but the version-no. In general this type should be...

solution is also proposed in #113