instance method `column_names`

Ruby on Rails 8.1.2

Since v3.2.22.5

Compare with:

column_names()

Returns an array of column names as strings.

Source

# File activerecord/lib/active_record/model_schema.rb, line 494
      def column_names
        @column_names ||= columns.map(&:name).freeze
      end

Defined in activerecord/lib/active_record/model_schema.rb line 494 · View on GitHub · Improve this page · Find usages on GitHub

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