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-- Table with a single id column
local table1idcol = osm2pgsql.define_table{
name = 'osm2pgsql_test_data1',
ids = { type = 'any', id_column = 'the_id' },
columns = {
{ column = 'orig_id', type = 'int8' },
{ column = 'tags', type = 'hstore' },
{ column = 'geom', type = 'geometry' },
}
}
-- Table with two id columns: type and id
local table2idcol = osm2pgsql.define_table{
name = 'osm2pgsql_test_data2',
ids = { type = 'any', type_column = 'x_type', id_column = 'x_id' },
columns = {
{ column = 'tags', type = 'hstore' },
{ column = 'geom', type = 'geometry' },
}
}
function is_empty(some_table)
return next(some_table) == nil
end
function osm2pgsql.process_node(object)
if is_empty(object.tags) then
return
end
table1idcol:add_row({
orig_id = object.id,
tags = object.tags,
geom = { create = 'point' }
})
table2idcol:add_row({
tags = object.tags,
geom = { create = 'point' }
})
end
function osm2pgsql.process_way(object)
if is_empty(object.tags) then
return
end
if object.tags.building then
table1idcol:add_row({
orig_id = object.id,
tags = object.tags,
geom = { create = 'area' }
})
table2idcol:add_row({
tags = object.tags,
geom = { create = 'area' }
})
else
table1idcol:add_row({
orig_id = object.id,
tags = object.tags,
geom = { create = 'line' }
})
table2idcol:add_row({
tags = object.tags,
geom = { create = 'line' }
})
end
end
function osm2pgsql.process_relation(object)
if object.tags.type == 'multipolygon' then
table1idcol:add_row({
orig_id = object.id,
tags = object.tags,
geom = { create = 'area', split_at = 'multi' }
})
table2idcol:add_row({
tags = object.tags,
geom = { create = 'area', split_at = 'multi' }
})
return
end
end
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