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-rw-r--r--activerecord/lib/active_record/transactions.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb
index ae97a3f3ca..d4870dd3f2 100644
--- a/activerecord/lib/active_record/transactions.rb
+++ b/activerecord/lib/active_record/transactions.rb
@@ -303,7 +303,7 @@ module ActiveRecord
# Save the new record state and id of a record so it can be restored later if a transaction fails.
def remember_transaction_record_state #:nodoc
@_start_transaction_state ||= {}
- @_start_transaction_state[:id] = id if has_attribute?(self.class.primary_key)
+ @_start_transaction_state[:id] = id if self.class.primary_key?
unless @_start_transaction_state.include?(:new_record)
@_start_transaction_state[:new_record] = @new_record
end