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authorJeremy Kemper <jeremy@bitsweat.net>2006-11-02 08:48:44 +0000
committerJeremy Kemper <jeremy@bitsweat.net>2006-11-02 08:48:44 +0000
commiteb7964865a5083615503896f7793051491eae23d (patch)
tree792542dfe5208d1826dda1e27145cc892ea11076 /actionpack
parent868d9f5a2c194d242e8679ada77dd6281af3c134 (diff)
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Document that expire_fragment with regexp arg fails on memcached and other caches which don't support iteration over all keys. Closes #6291.
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5399 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'actionpack')
-rw-r--r--actionpack/lib/action_controller/caching.rb7
1 files changed, 6 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/caching.rb b/actionpack/lib/action_controller/caching.rb
index a91a2198a6..177f72d136 100644
--- a/actionpack/lib/action_controller/caching.rb
+++ b/actionpack/lib/action_controller/caching.rb
@@ -363,7 +363,12 @@ module ActionController #:nodoc:
# Name can take one of three forms:
# * String: This would normally take the form of a path like "pages/45/notes"
# * Hash: Is treated as an implicit call to url_for, like { :controller => "pages", :action => "notes", :id => 45 }
- # * Regexp: Will destroy all the matched fragments, example: %r{pages/\d*/notes} Ensure you do not specify start and finish in the regex (^$) because the actual filename matched looks like ./cache/filename/path.cache
+ # * Regexp: Will destroy all the matched fragments, example:
+ # %r{pages/\d*/notes}
+ # Ensure you do not specify start and finish in the regex (^$) because
+ # the actual filename matched looks like ./cache/filename/path.cache
+ # Regexp expiration is not supported on caches which can't iterate over
+ # all keys, such as memcached.
def expire_fragment(name, options = nil)
return unless perform_caching