Merge branch 'develop' into madlittlemods/deferred-and-tokio-runtime-crates

changelog.d/19869.bugfix

@@ -0,0 +1 @@
+Make simple_select_one_onecol_txn() more helpful by naming the table of the select - as all other query wrapper functions already did.

synapse/storage/database.py

@@ -1879,7 +1879,7 @@ class DatabasePool:
             if allow_none:
                 return None
             else:
-                raise StoreError(404, "No row found")
+                raise StoreError(404, f"No row found ({table})")
 
     @staticmethod
     def simple_select_onecol_txn(