  
      # Is there a true datatype for timedeltas?
      has_native_duration_field = False
  
      # Does the database driver support timedeltas as arguments?
      # This is only relevant when there is a native duration field.
      # Specifically, there is a bug with cx_Oracle:
      # https://bitbucket.org/anthony_tuininga/cx_oracle/issue/7/
      driver_supports_timedelta_args = False
 
</s>
    # Does the database driver supports same type temporal data subtraction
    # by returning the type used to store duration field?
    supports_temporal_subtraction = False

  
      # Is there a true datatype for timedeltas?
      has_native_duration_field = False
  
    # Does the database driver supports same type temporal data subtraction
    # by returning the type used to store duration field?
    supports_temporal_subtraction = False

      # Does the database driver support timedeltas as arguments?
      # This is only relevant when there is a native duration field.
      # Specifically, there is a bug with cx_Oracle:
      # https://bitbucket.org/anthony_tuininga/cx_oracle/issue/7/
      driver_supports_timedelta_args = False
keep keep keep add keep keep keep keep keep
 Fixed #24793 -- Unified temporal difference support.
django/db/backends/base/features.py