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-rw-r--r--synapse/storage/push_rule.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/storage/push_rule.py b/synapse/storage/push_rule.py
index 786d6f6d67..8183b7f1b0 100644
--- a/synapse/storage/push_rule.py
+++ b/synapse/storage/push_rule.py
@@ -421,6 +421,9 @@ class PushRuleStore(SQLBaseStore):
 
     def get_all_push_rule_updates(self, last_id, current_id, limit):
         """Get all the push rules changes that have happend on the server"""
+        if last_id == current_id:
+            return defer.succeed([])
+
         def get_all_push_rule_updates_txn(txn):
             sql = (
                 "SELECT stream_id, event_stream_ordering, user_id, rule_id,"