From 373654c6354c04b08a6f4dcb0ff7fa9ccae02f55 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Mon, 5 Sep 2016 14:50:36 +0100 Subject: [PATCH] Comment about sqlite and WITH RECURSIVE --- synapse/storage/state.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/synapse/storage/state.py b/synapse/storage/state.py index ee8b763008..e790793370 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -209,6 +209,8 @@ class StateStore(SQLBaseStore): else: return 0 else: + # We don't use WITH RECURSIVE on sqlite3 as there are distributions + # that ship with an sqlite3 version that doesn't support it (e.g. wheezy) next_group = state_group count = 0 @@ -340,6 +342,8 @@ class StateStore(SQLBaseStore): key = (row["type"], row["state_key"]) results[group][key] = row["event_id"] else: + # We don't use WITH RECURSIVE on sqlite3 as there are distributions + # that ship with an sqlite3 version that doesn't support it (e.g. wheezy) for group in groups: group_tree = [group] next_group = group