Merge branch 'develop' into markjh/config_cleanup

Conflicts:
	synapse/config/captcha.py

1 files changed, 7 insertions, 14 deletions

diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index 553ba9dd1f..95bc15c0dc 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -128,25 +128,18 @@ class StateStore(SQLBaseStore):
 
     @defer.inlineCallbacks
     def get_current_state(self, room_id, event_type=None, state_key=""):
-        del_sql = (
-            "SELECT event_id FROM redactions WHERE redacts = e.event_id "
-            "LIMIT 1"
-        )
-
         sql = (
-            "SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
-            "INNER JOIN current_state_events as c ON e.event_id = c.event_id "
-            "INNER JOIN state_events as s ON e.event_id = s.event_id "
-            "WHERE c.room_id = ? "
-        ) % {
-            "redacted": del_sql,
-        }
+            "SELECT e.*, r.event_id FROM events as e"
+            " LEFT JOIN redactions as r ON r.redacts = e.event_id"
+            " INNER JOIN current_state_events as c ON e.event_id = c.event_id"
+            " WHERE c.room_id = ? "
+        )
 
         if event_type and state_key is not None:
-            sql += " AND s.type = ? AND s.state_key = ? "
+            sql += " AND c.type = ? AND c.state_key = ? "
             args = (room_id, event_type, state_key)
         elif event_type:
-            sql += " AND s.type = ?"
+            sql += " AND c.type = ?"
             args = (room_id, event_type)
         else:
             args = (room_id, )