diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rw-r--r-- | activerecord/lib/active_record/base.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index e1bf2ccc8a..cd16b8d3ca 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -767,6 +767,17 @@ module ActiveRecord #:nodoc: super || (table_exists? && column_names.include?(attribute.to_s.sub(/=$/, ''))) end + # Returns an array of column names as strings if it's not + # an abstract class and table exists. + # Otherwise it returns an empty array. + def attribute_names + @attribute_names ||= if !abstract_class? && table_exists? + column_names + else + [] + end + end + # Set the lookup ancestors for ActiveModel. def lookup_ancestors #:nodoc: klass = self |