summary refs log tree commit diff
path: root/synapse/storage
diff options
context:
space:
mode:
authorMark Haines <mark.haines@matrix.org>2016-07-08 15:57:06 +0100
committerMark Haines <mark.haines@matrix.org>2016-07-08 15:57:06 +0100
commitdfde67a6fe22535558552060820abfca047540f3 (patch)
tree0dcf8daf67457a0c6b03d81a93f6060344e99750 /synapse/storage
parentEnsure that the guest user is in the database when upgrading accounts (diff)
downloadsynapse-dfde67a6fe22535558552060820abfca047540f3.tar.xz
Add a comment explaining allow_none
Diffstat (limited to 'synapse/storage')
-rw-r--r--synapse/storage/registration.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index 3a675e53f6..d957a629dc 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -128,6 +128,8 @@ class RegistrationStore(SQLBaseStore):
         try:
             if was_guest:
                 # Ensure that the guest user actually exists
+                # ``allow_none=False`` makes this raise an exception
+                # if the row isn't in the database.
                 self._simple_select_one_txn(
                     txn,
                     "users",