From 79dd751b0b9e428bf386d7304f442fa9815fdbba Mon Sep 17 00:00:00 2001 From: Claude Paroz Date: Tue, 6 Nov 2012 12:19:14 +0100 Subject: Fixed #14315 -- Made memcached backend handle negative incr/decr values Thanks Michael Manfre for the report and initial patch and Tobias McNulty for the review. --- django/core/cache/backends/memcached.py | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'django/core/cache') diff --git a/django/core/cache/backends/memcached.py b/django/core/cache/backends/memcached.py index 9bb47c8344..2c3f198847 100644 --- a/django/core/cache/backends/memcached.py +++ b/django/core/cache/backends/memcached.py @@ -90,6 +90,9 @@ class BaseMemcachedCache(BaseCache): def incr(self, key, delta=1, version=None): key = self.make_key(key, version=version) + # memcached doesn't support a negative delta + if delta < 0: + return self._cache.decr(key, -delta) try: val = self._cache.incr(key, delta) @@ -105,6 +108,9 @@ class BaseMemcachedCache(BaseCache): def decr(self, key, delta=1, version=None): key = self.make_key(key, version=version) + # memcached doesn't support a negative delta + if delta < 0: + return self._cache.incr(key, -delta) try: val = self._cache.decr(key, delta) -- cgit v1.3