diff options
Diffstat (limited to 'synapse/storage/search.py')
| -rw-r--r-- | synapse/storage/search.py | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/synapse/storage/search.py b/synapse/storage/search.py index 8d294d497b..2755acff40 100644 --- a/synapse/storage/search.py +++ b/synapse/storage/search.py @@ -16,7 +16,6 @@ from collections import namedtuple import logging import re -import sys import ujson as json from twisted.internet import defer @@ -335,25 +334,18 @@ class SearchStore(BackgroundUpdateStore): # (postgres 9.5 uses the separate gin_pending_list_limit setting, # so doesn't suffer the same problem, but changing work_mem will # be harmless) + # + # Note that we don't need to worry about restoring it on + # exception, because exceptions will cause the transaction to be + # rolled back, including the effects of the SET command. + # + # Also: we use SET rather than SET LOCAL because there's lots of + # other stuff going on in this transaction, which want to have the + # normal work_mem setting. txn.execute("SET work_mem='256kB'") - try: - txn.executemany(sql, args) - except Exception: - # we need to reset work_mem, but doing so may throw a new - # exception and we want to preserve the original - t, v, tb = sys.exc_info() - try: - txn.execute("RESET work_mem") - except Exception as e: - logger.warn( - "exception resetting work_mem during exception " - "handling: %r", - e, - ) - raise t, v, tb - else: - txn.execute("RESET work_mem") + txn.executemany(sql, args) + txn.execute("RESET work_mem") elif isinstance(self.database_engine, Sqlite3Engine): sql = ( |