What is the difference between way nodes and current_way nodes table? |
current_way_nodes describes the links between a currently visible way and its nodes. way_nodes does the same, but for all ways, including older or deleted versions. If you have freshly populated a database with osmosis, both tables will have the same content but if you start editing on your database using the rails port, then the contents will diverge. |
Where do you find those?
https://wiki.openstreetmap.org/wiki/Database/TableInfoDump
Far from all nodes in the database are visible and the current* could could be those that are (currently) visible