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| author | Xavier Noria <fxn@hashref.com> | 2013-01-28 18:14:33 +0100 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2013-01-28 18:14:33 +0100 |
| commit | 249f58b7ec0ab96893c01340881534ba3b46ced6 (patch) | |
| tree | cbd155e73ac6bacc6ea50fadcd61faf3ee3224ef /activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb | |
| parent | 5f5a43e2f7f1075852fcf173e81c6f4b5ca8c6fa (diff) | |
| download | rails-249f58b7ec0ab96893c01340881534ba3b46ced6.tar.gz rails-249f58b7ec0ab96893c01340881534ba3b46ced6.tar.bz2 rails-249f58b7ec0ab96893c01340881534ba3b46ced6.zip | |
explains why the query cache checks arel.locked
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb index be6fda95b4..095e027f94 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb @@ -85,6 +85,8 @@ module ActiveRecord end end + # If arel is locked this is a SELECT ... FOR UPDATE or somesuch. Such + # queries should not be cached. def locked?(arel) arel.respond_to?(:locked) && arel.locked end |