dw-osm-import/osm2pgsql-flex.lua at main · dot-studio-code/dw-osm-import · GitHub

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local nodes = osm2pgsql.define_table({
    name = 'nodes',
    ids = { type = 'node', id_column = 'node_id' },
    columns = {
        { column = 'tags', type = 'jsonb' },
        { column = 'geom', type = 'point', projection = 4326, not_null = true },
    }
})

local ways = osm2pgsql.define_table({
    name = 'ways',
    ids = { type = 'way', id_column = 'way_id' },
    columns = {
        { column = 'tags', type = 'jsonb' },
        { column = 'geom', type = 'geometry', projection = 4326, not_null = true },
    }
})

local relations = osm2pgsql.define_table({
    name = 'relations',
    ids = { type = 'relation', id_column = 'relation_id' },
    columns = {
        { column = 'tags', type = 'jsonb' },
        { column = 'geom', type = 'geometry', projection = 4326 },
    }
})

function osm2pgsql.process_node(object)
    if next(object.tags) == nil then
        return
    end
    nodes:insert({
        tags = object.tags,
        geom = object:as_point()
    })
end

function osm2pgsql.process_way(object)
    if next(object.tags) == nil then
        return
    end
    if object.is_closed then
        ways:insert({
            tags = object.tags,
            geom = object:as_polygon()
        })
    else
        ways:insert({
            tags = object.tags,
            geom = object:as_linestring()
        })
    end
end

function osm2pgsql.process_relation(object)
    if next(object.tags) == nil then
        return
    end
    local rtype = object.tags.type
    if rtype == 'multipolygon' or rtype == 'boundary' then
        relations:insert({
            tags = object.tags,
            geom = object:as_multipolygon()
        })
    end
end