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author | TomK32 <tomk32@tomk32.de> | 2008-05-12 19:18:13 +0200 |
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committer | TomK32 <tomk32@tomk32.de> | 2008-05-12 19:18:13 +0200 |
commit | e9a0526d5b3fc28a81eb47dfb5f6086112d90362 (patch) | |
tree | 046ed90c14d4872c89feeb2cf7f0d9fa57e8ca83 /activerecord | |
parent | 164c9586480f0a02522ea15ec7fb42c6a783a74d (diff) | |
parent | 9d0900c7dffcd95339ace815192d4778cd04dc09 (diff) | |
download | rails-e9a0526d5b3fc28a81eb47dfb5f6086112d90362.tar.gz rails-e9a0526d5b3fc28a81eb47dfb5f6086112d90362.tar.bz2 rails-e9a0526d5b3fc28a81eb47dfb5f6086112d90362.zip |
Merge branch 'master' of git://github.com/lifo/docrails
Diffstat (limited to 'activerecord')
-rw-r--r-- | activerecord/lib/active_record/attribute_methods.rb | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 2db27226f2..ac40e4f987 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -104,17 +104,19 @@ module ActiveRecord # +cache_attributes+ allows you to declare which converted attribute values should # be cached. Usually caching only pays off for attributes with expensive conversion - # methods, like date columns (e.g. created_at, updated_at). + # methods, like time related columns (e.g. created_at, updated_at). def cache_attributes(*attribute_names) attribute_names.each {|attr| cached_attributes << attr.to_s} end - # returns the attributes where + # returns the attributes which are cached. + # By default time related columns with datatype <tt>:datetime, :timestamp, :time, :date</tt> are cached def cached_attributes @cached_attributes ||= columns.select{|c| attribute_types_cached_by_default.include?(c.type)}.map(&:name).to_set end + # returns true if the provided attribute is being cached def cache_attribute?(attr_name) cached_attributes.include?(attr_name) end |