diff --git a/synapse/storage/registration.py b/synapse/storage/registration.py
index a50717db2d..c05ce4612f 100644
--- a/synapse/storage/registration.py
+++ b/synapse/storage/registration.py
@@ -526,3 +526,42 @@ class RegistrationStore(RegistrationWorkerStore,
except self.database_engine.module.IntegrityError:
ret = yield self.get_3pid_guest_access_token(medium, address)
defer.returnValue(ret)
+
+ def add_user_pending_deactivation(self, user_id):
+ """
+ Adds a user to the table of users who need to be parted from all the rooms they're
+ in
+ """
+ return self._simple_insert(
+ "users_pending_deactivation",
+ values={
+ "user_id": user_id,
+ },
+ desc="add_user_pending_deactivation",
+ )
+
+ def del_user_pending_deactivation(self, user_id):
+ """
+ Removes the given user to the table of users who need to be parted from all the
+ rooms they're in, effectively marking that user as fully deactivated.
+ """
+ return self._simple_delete_one(
+ "users_pending_deactivation",
+ keyvalues={
+ "user_id": user_id,
+ },
+ desc="del_user_pending_deactivation",
+ )
+
+ def get_user_pending_deactivation(self):
+ """
+ Gets one user from the table of users waiting to be parted from all the rooms
+ they're in.
+ """
+ return self._simple_select_one_onecol(
+ "users_pending_deactivation",
+ keyvalues={},
+ retcol="user_id",
+ allow_none=True,
+ desc="get_users_pending_deactivation",
+ )
diff --git a/synapse/storage/schema/delta/48/deactivated_users.sql b/synapse/storage/schema/delta/48/deactivated_users.sql
new file mode 100644
index 0000000000..e9013a6969
--- /dev/null
+++ b/synapse/storage/schema/delta/48/deactivated_users.sql
@@ -0,0 +1,25 @@
+/* Copyright 2018 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Store any accounts that have been requested to be deactivated.
+ * We part the account from all the rooms its in when its
+ * deactivated. This can take some time and synapse may be restarted
+ * before it completes, so store the user IDs here until the process
+ * is complete.
+ */
+CREATE TABLE users_pending_deactivation (
+ user_id TEXT NOT NULL
+);
|