DatumGetSpanP DatumGetSpanSetP dist_double_value_value ensure_same_span_type ensure_span_isof_basetype ensure_span_isof_type ensure_valid_span_span floatspan_floor_ceil_iter mi_span_span mi_span_value numspan_delta_scale_iter numspan_shift_scale_iter PG_GETARG_SPAN_P PG_GETARG_SPANSET_P PG_RETURN_SPAN_P PG_RETURN_SPANSET_P span_bound_cmp span_bound_qsort_cmp span_bounds_shift_scale_time span_bounds_shift_scale_value span_decr_bound span_deserialize span_incr_bound span_lower_cmp span_upper_cmp spanarr_normalize SpanPGetDatum SpanSetPGetDatum tstzspan_delta_scale_iter tstzspan_shift_scale1

span_bounds_shift_scale_time() void span_bounds_shift_scale_time ( const Interval *  shift, const Interval *  duration, TimestampTz *  lower, TimestampTz *  upper  ) Shift and/or scale period bounds by two intervals. Parameters [in] shift Interval to shift the bounds, may be NULL [in] duration Interval for the duration of the result, may be NULL [in,out] lower,upper Bounds of the period