feat：- add sql

电子日历/删除测试数据.sql

+### 清空指定设备的事项数据
+### 清空指定设备的事项数据
+
+
+
+DELETE FROM t_event_users
+WHERE event_id IN (
+     SELECT
+            event_id
+     FROM  t_events
+     where device_id=1843853111351402497
+    );
+
+DELETE FROM t_event_category_relations
+WHERE event_id IN (
+     SELECT
+            event_id
+     FROM  t_events
+     where device_id=1843853111351402497
+    );
+
+DELETE FROM t_event_recurrence_rules
+WHERE event_id IN (
+     SELECT
+            event_id
+     FROM  t_events
+     where device_id=1843853111351402497
+    );
+
+
+DELETE FROM t_events
+WHERE  device_id=1843853111351402497;
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