1 files changed, 13 insertions, 0 deletions
diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index c9ceb132ae..b454dd5b3a 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -289,3 +289,16 @@ class RegistrationStore(SQLBaseStore):
         if ret:
             defer.returnValue(ret['user_id'])
         defer.returnValue(None)
+
+    @defer.inlineCallbacks
+    def count_all_users(self):
+        """Counts all users registered on the homeserver."""
+        def _count_users(txn):
+            txn.execute("SELECT COUNT(*) AS users FROM users")
+            rows = self.cursor_to_dict(txn)
+            if rows:
+                return rows[0]["users"]
+            return 0
+
+        ret = yield self.runInteraction("count_users", _count_users)
+        defer.returnValue(ret)