Warn if postgres database has non-C locale. (#6734)

As using non-C locale can cause issues on upgrading OS.

1 files changed, 5 insertions, 0 deletions

diff --git a/synapse/storage/engines/sqlite.py b/synapse/storage/engines/sqlite.py

index cbf52f5191..641e490697 100644
--- a/synapse/storage/engines/sqlite.py
+++ b/synapse/storage/engines/sqlite.py
@@ -59,6 +59,11 @@ class Sqlite3Engine(object):
             if version < (3, 11, 0):
                 raise RuntimeError("Synapse requires sqlite 3.11 or above.")
 
+    def check_new_database(self, txn):
+        """Gets called when setting up a brand new database. This allows us to
+        apply stricter checks on new databases versus existing database.
+        """
+
     def convert_param_style(self, sql):
         return sql