DatumGetSpanP DatumGetSpanSetP 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 span_deserialize span_lower_cmp span_serialize span_to_wkb_buf span_to_wkb_size span_upper_cmp spanarr_normalize SpanPGetDatum SpanSetPGetDatum

span_lower_cmp() int span_lower_cmp ( const Span *  a, const Span *  b  ) Compare the lower bounds of two spans, returning <0, 0, or >0 according to whether the first bound is less than, equal to, or greater than the second one. Note The function is equivalent to span_bound_cmp but avoids deserializing the spans into lower and upper bounds