database 接入

konabot/plugins/air_conditioner/sql/query_crash_and_rank.sql

@@ -0,0 +1,23 @@
+-- 从 air_conditioner_crash_log 表中获取指定 id 损坏的次数以及损坏次数的排名
+SELECT crash_count, crash_rank
+FROM (
+    SELECT id,
+           COUNT(*) AS crash_count,
+           RANK() OVER (ORDER BY COUNT(*) DESC) AS crash_rank
+    FROM air_conditioner_crash_log
+    GROUP BY id
+) AS ranked_data
+WHERE id = ?
+-- 如果该 id 没有损坏记录，则返回 0 次损坏和对应的最后一名
+UNION
+SELECT 0 AS crash_count,
+    (SELECT COUNT(DISTINCT id) + 1 FROM air_conditioner_crash_log) AS crash_rank
+FROM (
+    SELECT DISTINCT id
+    FROM air_conditioner_crash_log
+) AS ranked_data
+WHERE NOT EXISTS (
+    SELECT 1
+    FROM air_conditioner_crash_log
+    WHERE id = ?
+);