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-rw-r--r--activerecord/lib/active_record/collection_cache_key.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/collection_cache_key.rb b/activerecord/lib/active_record/collection_cache_key.rb
index 88b398ad45..023d144693 100644
--- a/activerecord/lib/active_record/collection_cache_key.rb
+++ b/activerecord/lib/active_record/collection_cache_key.rb
@@ -3,7 +3,7 @@
module ActiveRecord
module CollectionCacheKey
def collection_cache_key(collection = all, timestamp_column = :updated_at) # :nodoc:
- query_signature = Digest::MD5.hexdigest(collection.to_sql)
+ query_signature = ActiveSupport::Digest.hexdigest(collection.to_sql)
key = "#{collection.model_name.cache_key}/query-#{query_signature}"
if collection.loaded?