Add OSM-based synthetic geolocation field for micro-regions

Field: district_postcode_city_sensorid Format: District, Postcode, City (#SensorID) Example: Regierungsbezirk Darmstadt, 60385, Frankfurt (#76777)
earthobservations · Dec 17, 2022 · 9389977 · 9389977
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -8,6 +8,8 @@ in progress
 - Fix "Luftdaten-Viewer Grafana" documentation section about
   exporting station metadata from PostGIS to JSON file.
   Thanks, @ohobby.
+- Add OSM-based synthetic geolocation field for micro-regions.
+  Thanks, @ohobby.
 
 
 2022-12-05 0.21.1

diff --git a/luftdatenpumpe/target/rdbms.py b/luftdatenpumpe/target/rdbms.py
@@ -326,6 +326,7 @@ def create_views(self):
 
               -- Synthesized fields.
               concat('(#', CAST({prefix}_stations.station_id AS text), ')') AS station_id_suffix,
+              concat('(#', CAST({prefix}_sensors.sensor_id AS text), ')') AS sensor_id_suffix,
               concat('(', {prefix}_osmdata.osm_country_code, ')') AS country_code_suffix,
 
               -- OSM fields.
@@ -349,6 +350,8 @@ def create_views(self):
               concat(concat_ws(', ', osm_state, osm_country), ' ', country_code_suffix) AS state_and_country,
               concat(concat_ws(', ', osm_city, osm_state, osm_country), ' ', country_code_suffix)
                 AS city_and_state_and_country,
+              concat(concat_ws(', ', osm_state_district, osm_postcode, osm_city), ' ', sensor_id_suffix)
+                AS district_postcode_city_sensorid,
               {self.render_fields(conditional_fields_stage2)}
               ABS(DATE_PART('day', sensor_last_date - now())) <= 7 AS is_active