diff options
| -rw-r--r-- | activerecord/CHANGELOG.md | 5 | ||||
| -rw-r--r-- | activerecord/lib/active_record/query_cache.rb | 12 | ||||
| -rw-r--r-- | activerecord/test/cases/query_cache_test.rb | 11 |
3 files changed, 22 insertions, 6 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index d8493205d7..36f628ee43 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,5 +1,10 @@ ## Rails 3.2.10 (unreleased) +* Use query cache/uncache when using ENV["DATABASE_URL"]. + Fixes #6951. [Backport #8074] + + *kennyj* + * Do not create useless database transaction when building `has_one` association. [Backport #8154] Example: diff --git a/activerecord/lib/active_record/query_cache.rb b/activerecord/lib/active_record/query_cache.rb index 466d148901..2156889a0f 100644 --- a/activerecord/lib/active_record/query_cache.rb +++ b/activerecord/lib/active_record/query_cache.rb @@ -6,19 +6,19 @@ module ActiveRecord module ClassMethods # Enable the query cache within the block if Active Record is configured. def cache(&block) - if ActiveRecord::Base.configurations.blank? - yield - else + if ActiveRecord::Base.connected? connection.cache(&block) + else + yield end end # Disable the query cache within the block if Active Record is configured. def uncached(&block) - if ActiveRecord::Base.configurations.blank? - yield - else + if ActiveRecord::Base.connected? connection.uncached(&block) + else + yield end end end diff --git a/activerecord/test/cases/query_cache_test.rb b/activerecord/test/cases/query_cache_test.rb index dd881f8230..dfc6ea2457 100644 --- a/activerecord/test/cases/query_cache_test.rb +++ b/activerecord/test/cases/query_cache_test.rb @@ -173,6 +173,17 @@ class QueryCacheTest < ActiveRecord::TestCase assert_queries(2) { task.lock!; task.lock! } end end + + def test_cache_is_available_when_connection_is_connected + conf = ActiveRecord::Base.configurations + + ActiveRecord::Base.configurations = {} + Task.cache do + assert_queries(1) { Task.find(1); Task.find(1) } + end + ensure + ActiveRecord::Base.configurations = conf + end end class QueryCacheExpiryTest < ActiveRecord::TestCase |