diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index fa6839ceca..52891bb9eb 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -16,6 +16,7 @@
# limitations under the License.
import itertools
import logging
+import random
import sys
import threading
import time
@@ -247,6 +248,8 @@ class SQLBaseStore(object):
self._check_safe_to_upsert,
)
+ self.rand = random.SystemRandom()
+
if self._account_validity.enabled:
self._clock.call_later(
0.0,
@@ -308,21 +311,36 @@ class SQLBaseStore(object):
res = self.cursor_to_dict(txn)
if res:
for user in res:
- self.set_expiration_date_for_user_txn(txn, user["name"])
+ self.set_expiration_date_for_user_txn(
+ txn,
+ user["name"],
+ use_delta=True,
+ )
yield self.runInteraction(
"get_users_with_no_expiration_date",
select_users_with_no_expiration_date_txn,
)
- def set_expiration_date_for_user_txn(self, txn, user_id):
+ def set_expiration_date_for_user_txn(self, txn, user_id, use_delta=False):
"""Sets an expiration date to the account with the given user ID.
Args:
user_id (str): User ID to set an expiration date for.
+ use_delta (bool): If set to False, the expiration date for the user will be
+ now + validity period. If set to True, this expiration date will be a
+ random value in the [now + period - d ; now + period] range, d being a
+ delta equal to 10% of the validity period.
"""
now_ms = self._clock.time_msec()
expiration_ts = now_ms + self._account_validity.period
+
+ if use_delta:
+ expiration_ts = self.rand.randrange(
+ expiration_ts - self._account_validity.startup_job_max_delta,
+ expiration_ts,
+ )
+
self._simple_insert_txn(
txn,
"account_validity",
@@ -1261,7 +1279,8 @@ class SQLBaseStore(object):
" AND ".join("%s = ?" % (k,) for k in keyvalues),
)
- return txn.execute(sql, list(keyvalues.values()))
+ txn.execute(sql, list(keyvalues.values()))
+ return txn.rowcount
def _simple_delete_many(self, table, column, iterable, keyvalues, desc):
return self.runInteraction(
@@ -1280,9 +1299,12 @@ class SQLBaseStore(object):
column : column name to test for inclusion against `iterable`
iterable : list
keyvalues : dict of column names and values to select the rows with
+
+ Returns:
+ int: Number rows deleted
"""
if not iterable:
- return
+ return 0
sql = "DELETE FROM %s" % table
@@ -1297,7 +1319,9 @@ class SQLBaseStore(object):
if clauses:
sql = "%s WHERE %s" % (sql, " AND ".join(clauses))
- return txn.execute(sql, values)
+ txn.execute(sql, values)
+
+ return txn.rowcount
def _get_cache_dict(
self, db_conn, table, entity_column, stream_column, max_value, limit=100000
|
