Before control chart update.

src/submissions/backend/db/__init__.py

@@ -3,6 +3,7 @@ All database related operations.
 """
 from sqlalchemy import event
 from sqlalchemy.engine import Engine
+from tools import ctx
 
 
 @event.listens_for(Engine, "connect")
@@ -17,7 +18,8 @@ def set_sqlite_pragma(dbapi_connection, connection_record):
         connection_record (_type_): _description_
     """    
     cursor = dbapi_connection.cursor()
-    # cursor.execute("PRAGMA foreign_keys=ON")
+    if ctx.database_schema == "sqlite":
+        cursor.execute("PRAGMA foreign_keys=ON")
     cursor.close()