Count appearances grouped by caster, month, and segment

sql/queries.sql

@@ -324,6 +324,18 @@ SELECT seg.n AS name,
  GROUP BY seg.n
  ORDER BY avg_views DESC;
 
+-- Appearances by caster, month, segment
+SELECT c.n,
+       STRFTIME("%Y%m", jst) AS yyyymm,
+       seg.n AS segment,
+       COUNT(s.caster_id) AS appearances
+  FROM schedule s
+       JOIN caster c ON c.id = s.caster_id
+       JOIN segment seg ON seg.id = s.segment_id
+ WHERE c.n = "&caster"
+   AND seg.n = "&segment"
+ GROUP BY c.n, yyyymm, title;
+
 -- MANUAL FIXES
 
 -- copy matsu's cancelled coffee time to cancellation table