after_period_temporal after_tbox_tnumber after_temporal_period after_temporal_temporal after_tnumber_tbox after_tnumber_tnumber before_period_temporal before_tbox_tnumber before_temporal_period before_temporal_temporal before_tnumber_tbox before_tnumber_tnumber left_range_tnumber left_tbox_tnumber left_tnumber_range left_tnumber_tbox left_tnumber_tnumber overafter_period_temporal overafter_tbox_tnumber overafter_temporal_period overafter_temporal_temporal overafter_tnumber_tbox overafter_tnumber_tnumber overbefore_period_temporal overbefore_tbox_tnumber overbefore_temporal_period overbefore_temporal_temporal overbefore_tnumber_tbox overbefore_tnumber_tnumber overleft_range_tnumber overleft_tbox_tnumber overleft_tnumber_range overleft_tnumber_tbox overleft_tnumber_tnumber overright_range_tnumber overright_tbox_tnumber overright_tnumber_range overright_tnumber_tbox overright_tnumber_tnumber right_range_tnumber right_tbox_tnumber right_tnumber_range right_tnumber_tbox right_tnumber_tnumber

left_tnumber_tnumber() Datum left_tnumber_tnumber ( PG_FUNCTION_ARGS  ) Returns true if the first temporal number is strictly to the left of the second one.