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| author | Ryuta Kamizono <kamipo@gmail.com> | 2017-06-15 07:33:20 +0900 |
|---|---|---|
| committer | Ryuta Kamizono <kamipo@gmail.com> | 2017-06-15 10:56:56 +0900 |
| commit | 9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add (patch) | |
| tree | 55e883cadef2d0c09c60a77a81ecedfc90e2d753 /activerecord/test/cases/query_cache_test.rb | |
| parent | f340490b98ac9f13f004b5db8863cb3ff6fb71f9 (diff) | |
| download | rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.tar.gz rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.tar.bz2 rails-9276ebc773d3287a9fa8d1c6ce9e3a14ceeb8add.zip | |
Fix `Relation#exists?` queries with query cache
If a connection adapter overrides `select_*` methods, query caching will
doesn't work. This patch changes `select_value` to `select_one` in
`Relation#exists?` to ensure query caching.
Fixes #29449.
Diffstat (limited to 'activerecord/test/cases/query_cache_test.rb')
| -rw-r--r-- | activerecord/test/cases/query_cache_test.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/test/cases/query_cache_test.rb b/activerecord/test/cases/query_cache_test.rb index 494663eb04..d75ec72b03 100644 --- a/activerecord/test/cases/query_cache_test.rb +++ b/activerecord/test/cases/query_cache_test.rb @@ -204,6 +204,12 @@ class QueryCacheTest < ActiveRecord::TestCase end end + def test_exists_queries_with_cache + Post.cache do + assert_queries(1) { Post.exists?; Post.exists? } + end + end + def test_query_cache_dups_results_correctly Task.cache do now = Time.now.utc |