Merge pull request #935 from openego/fixes/heat-supply-if-condition

Insert backup resitive heaters only if not empty
openego · Nov 1, 2022 · c30aa8a · c30aa8a
2 parents a48f9ec + 940b475
commit c30aa8a
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/src/egon/data/datasets/heat_supply/__init__.py b/src/egon/data/datasets/heat_supply/__init__.py
@@ -127,12 +127,13 @@ def district_heating():
 
     backup_rh = backup_resistive_heaters("eGon2035")
 
-    backup_rh.to_postgis(
-        targets["district_heating_supply"]["table"],
-        schema=targets["district_heating_supply"]["schema"],
-        con=db.engine(),
-        if_exists="append",
-    )
+    if not backup_rh.empty:
+        backup_rh.to_postgis(
+            targets["district_heating_supply"]["table"],
+            schema=targets["district_heating_supply"]["schema"],
+            con=db.engine(),
+            if_exists="append",
+        )
 
 
 def individual_heating():