# File lib/jdbc_adapter/jdbc_informix.rb, line 64
    def modify_types(tp)
      tp[:primary_key] = "SERIAL PRIMARY KEY"
      tp[:string]      = { :name => "VARCHAR", :limit => 255 }
      tp[:integer]     = { :name => "INTEGER" }
      tp[:float]       = { :name => "FLOAT" }
      tp[:decimal]     = { :name => "DECIMAL" }
      tp[:datetime]    = { :name => "DATETIME YEAR TO FRACTION(5)" }
      tp[:timestamp]   = { :name => "DATETIME YEAR TO FRACTION(5)" }
      tp[:time]        = { :name => "DATETIME HOUR TO FRACTION(5)" }
      tp[:date]        = { :name => "DATE" }
      tp[:binary]      = { :name => "BYTE" }
      tp[:boolean]     = { :name => "BOOLEAN" }
      tp
    end