Merge pull request 'staging' (#345) from staging into main

Reviewed-on: #345

src/model/stat.rs

@@ -31,17 +31,17 @@ impl BoatStat {
     boat.id, 
     location.name AS location,
     CAST(strftime('%Y', arrival) AS INTEGER) AS year, 
-            CAST(SUM(distance_in_km) AS INTEGER) AS rowed_km
+    CAST(SUM(COALESCE(distance_in_km, 0)) AS INTEGER) AS rowed_km
 FROM 
-            logbook 
-        INNER JOIN 
-            boat ON boat.id = logbook.boat_id
-        INNER JOIN 
+    boat
+LEFT JOIN 
+    logbook ON boat.id = logbook.boat_id AND logbook.arrival IS NOT NULL
+LEFT JOIN 
     location ON boat.location_id = location.id
 WHERE 
     boat.name != 'Externes Boot'
 GROUP BY 
-            boat_id, year
+    boat.id, year
 ORDER BY 
     boat.name, year DESC;
         ",