diff options
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/_base.py | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index da698cb3b8..c98dd36aed 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -23,7 +23,7 @@ from synapse.util.lrucache import LruCache from twisted.internet import defer -import collections +from collections import namedtuple, OrderedDict import simplejson as json import sys import time @@ -54,14 +54,11 @@ def cached(max_entries=1000): calling the calculation function. """ def wrap(orig): - cache = {} + cache = OrderedDict() def prefill(key, value): while len(cache) > max_entries: - # TODO(paul): This feels too biased. However, a random index - # would be a bit inefficient, walking the list of keys just - # to ignore most of them? - del cache[cache.keys()[0]] + cache.popitem(last=False) cache[key] = value @@ -836,7 +833,7 @@ class JoinHelper(object): for table in self.tables: res += [f for f in table.fields if f not in res] - self.EntryType = collections.namedtuple("JoinHelperEntry", res) + self.EntryType = namedtuple("JoinHelperEntry", res) def get_fields(self, **prefixes): """Get a string representing a list of fields for use in SELECT |