class method `self.column_names`

Ruby on Rails 2.2.3

Since v2.2.3 Last seen in v3.1.12

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12

Compare with:

self.column_names()

Returns an array of column names as strings.

Source

# File activerecord/lib/active_record/base.rb, line 1232
      def column_names
        @column_names ||= columns.map { |column| column.name }
      end

Defined in activerecord/lib/active_record/base.rb line 1232 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Base

Signature