order by year

src/pv_routes.py

@@ -19,7 +19,7 @@ def pvstats():
         dbh = psycopg.connect()
         engine = sqlalchemy.create_engine("postgresql+psycopg://", creator=lambda: dbh)
 
-        df = pd.read_sql("SELECT month, cast(year AS varchar), current_energy AS value FROM pv_energy_by_month", con=engine)
+        df = pd.read_sql("SELECT month, cast(year AS varchar), current_energy AS value FROM pv_energy_by_month ORDER BY year, month", con=engine)
         fig_1 = px.bar(df, x='month', y='value', color='year', barmode='group')
         fig_1.update_layout(
             title=f"Jahreswerte Exportierte Energie PV-Anlage",
@@ -35,7 +35,7 @@ def pvstats():
         )
         graph_html_1 = fig_1.to_html(full_html=False, default_height='30%')
 
-        df = pd.read_sql("SELECT month, cast(year AS varchar), current_energy AS value FROM car_energy_by_month", con=engine)
+        df = pd.read_sql("SELECT month, cast(year AS varchar), current_energy AS value FROM car_energy_by_month ORDER BY year, month", con=engine)
         fig_2 = px.bar(df, x='month', y='value', color='year', barmode='group')
         fig_2.update_layout(
             title=f"Jahreswerte Verbrauch Elektroauto",