From 0cfd6c316193895b6fd5c761253305cf8688cef1 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 31 Aug 2016 16:25:57 +0100
Subject: [PATCH] Use state_groups table to test existence

---
 synapse/storage/state.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index dce5a2f13..ec551b0b4 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -85,7 +85,7 @@ class StateStore(SQLBaseStore):
 
     def _have_persisted_state_group_txn(self, txn, state_group):
         txn.execute(
-            "SELECT count(*) FROM state_groups_state WHERE state_group = ?",
+            "SELECT count(*) FROM state_groups WHERE id = ?",
             (state_group,)
         )
         row = txn.fetchone()