Uodated queries

src/lib/db/queries.ts

@@ -86,3 +86,42 @@ export const getHottestAndColdestCityInWorld = db.query(`
     WHERE hottest_rank = 1 OR coldest_rank = 1
     LIMIT 2
 `);
+
+
+export const getWorldTemperatureStats = db.query(`
+    WITH city_temps AS (
+        SELECT 
+            c.id as city_id,
+            c.name as city_name,
+            c.country_id,
+            co.name as country_name,
+            md.max as max_temp,
+            md.min as min_temp,
+            md.date,
+            ROW_NUMBER() OVER (ORDER BY md.max DESC) as hottest_rank,
+            ROW_NUMBER() OVER (ORDER BY md.max ASC) as coldest_rank
+        FROM cities c
+        JOIN meteo_data md ON c.id = md.city_id
+        JOIN countries co ON c.country_id = co.id
+        WHERE md.date = $date
+    ),
+    world_stats AS (
+        SELECT
+            ct1.city_id,
+            ct1.city_name,
+            ct1.country_id,
+            ct1.country_name,
+            ct1.max_temp,
+            ct1.date,
+            ct1.hottest_rank,
+            ct1.coldest_rank
+        FROM city_temps ct1
+        WHERE ct1.hottest_rank = 1 OR ct1.coldest_rank = 1
+    )
+    SELECT * FROM world_stats
+    ORDER BY max_temp DESC
+    LIMIT 2
+`);
+
+
+