connection_adapter_enum_fix.rb

module ActiveRecord
  module ConnectionAdapters
    class Column
      private

      def simplified_type(field_type)
        case field_type
        when /\bint(?:eger)?\b/i
          :integer
        when /\b(?:float|double)\b/i
          :float
        when /\b(?:decimal|numeric|number)\b/i
          extract_scale(field_type) == 0 ? :integer : :decimal
        when /\bdatetime\b/i
          :datetime
        when /\btimestamp\b/i
          :timestamp
        when /\btime\b/i
          :time
        when /\bdate\b/i
          :date
        when /\bclob\b/i, /\btext\b/i
          :text
        when /\bblob\b/i, /\bbinary\b/i
          :binary
        when /\bchar\b/i, /\bstring\b/i
          :string
        when /\bboolean\b/i
          :boolean
        end
      end
    end
  end
end