postgresql - Updating OSM local database after a regular interval in Rails -


i have setup local version of osm database using osm2pgsql in slim mode. have following tables

planet_osm_lines

planet_osm_nodes

planet_osm_point

planter_osm_roads

planet_osm_ways

i used following command migrate database

osm2pgsql -c -d database_name --slim planet.osm.pbf

every thing working fine. want update these regularly , stay date latest changes.

-- since using rails there way update these tables programatically? mean can run schedulized job , update latest changes without having download entire osm files?

-- secondly since interested in us, canada , mexico there way fetch these countries data?

thanks


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