define_column_methods

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 329
        def define_column_methods(*column_types) # :nodoc:
          column_types.each do |column_type|
            module_eval               def #{column_type}(*names, **options)                raise ArgumentError, "Missing column name(s) for #{column_type}" if names.empty?                names.each { |name| column(name, :#{column_type}, **options) }              end, __FILE__, __LINE__ + 1
          end
        end