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-rw-r--r--activerecord/lib/active_record/query_cache.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/query_cache.rb b/activerecord/lib/active_record/query_cache.rb
index 191e5a3d97..e25335ecea 100644
--- a/activerecord/lib/active_record/query_cache.rb
+++ b/activerecord/lib/active_record/query_cache.rb
@@ -61,7 +61,7 @@ module ActiveRecord
if result
# perform a deep #dup in case result is an array
- result = result.collect { |row| row.dup } if result.respond_to?(:collect)
+ result = result.collect { |row| row.dup } if result.is_a?(Array)
result.dup
else
nil