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-rw-r--r--activerecord/lib/active_record/core.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index 2725c85446..4628d7fb16 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -500,7 +500,7 @@ module ActiveRecord
# We check defined?(@attributes) not to issue warnings if the object is
# allocated but not initialized.
inspection = if defined?(@attributes) && @attributes
- self.class.column_names.collect do |name|
+ self.class.attribute_names.collect do |name|
if has_attribute?(name)
"#{name}: #{attribute_for_inspect(name)}"
end