From 8fa3cc37f93cc90d8bf34dadbdf207eb8e2fdebd Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 15 Aug 2014 16:11:25 +0100
Subject: [PATCH] Comment.

---
 synapse/storage/stream.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py
index bb56f0763d..7c2c45e0ff 100644
--- a/synapse/storage/stream.py
+++ b/synapse/storage/stream.py
@@ -71,6 +71,7 @@ class StreamStore(SQLBaseStore):
             "invites": invites_sql,
         }
 
+        # Constraints and ordering depend on direction.
         if from_key < to_key:
             sql += (
                 "AND e.ordering > ? AND e.ordering < ? "