From 73260ad01f067495e541a936eef4a14ba2fea5ec Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Fri, 16 Oct 2015 11:24:02 +0100
Subject: Comment on the LIMIT 500

---
 synapse/storage/search.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/synapse/storage/search.py b/synapse/storage/search.py
index 1b987161e2..7d642e18ff 100644
--- a/synapse/storage/search.py
+++ b/synapse/storage/search.py
@@ -54,6 +54,8 @@ class SearchStore(SQLBaseStore):
         for clause in clauses:
             sql += " AND " + clause
 
+        # We add an arbitrary limit here to ensure we don't try to pull the
+        # entire table from the database.
         sql += " ORDER BY rank DESC LIMIT 500"
 
         results = yield self._execute(
-- 
cgit 1.4.1