Only fetch last 100 cadence readings and display as sparklines graph

2023-01-30 22:12:10 +11:00
parent cf2dc204e7
commit fa3a8990cf
4 changed files with 16 additions and 6 deletions
--- a/db.py
+++ b/db.py
@@ -41,7 +41,7 @@ class DataBase():
                     [rpm, device_id], commit=True)

    def get_all_cadences(self, device_id):
-        return self.execute("""SELECT LOGGED_AT, RPM FROM cadence WHERE device_id = %s AND (NOW() < (LOGGED_AT + (INTERVAL '3 hour')))""", [device_id])
+        return self.execute("""SELECT LOGGED_AT, RPM FROM cadence WHERE device_id = %s AND (NOW() < (LOGGED_AT + (INTERVAL '3 hour'))) LIMIT 100""", [device_id])

    def get_devices(self):
        return self.execute("""