bbox_union_span_span intersection_bigintset_bigint intersection_bigintspan_bigint intersection_bigintspanset_bigint intersection_floatset_float intersection_floatspan_float intersection_floatspanset_float intersection_intset_int intersection_intspan_int intersection_intspanset_int intersection_period_timestamp intersection_periodset_timestamp intersection_set_set intersection_span_span intersection_spanset_span intersection_spanset_spanset intersection_textset_text intersection_timestampset_timestamp minus_bigint_bigintset minus_bigint_bigintspan minus_bigint_bigintspanset minus_bigintset_bigint minus_bigintspan_bigint minus_bigintspanset_bigint minus_float_floatset minus_float_floatspan minus_float_floatspanset minus_floatset_float minus_floatspan_float minus_floatspanset_float minus_int_intset minus_int_intspan minus_int_intspanset minus_intset_int minus_intspan_int minus_intspanset_int minus_period_timestamp minus_periodset_timestamp minus_set_set minus_span_span minus_span_spanset minus_spanset_span minus_spanset_spanset minus_text_textset minus_textset_text minus_timestamp_period minus_timestamp_periodset minus_timestampset_timestamp union_bigintset_bigint union_bigintspan_bigint union_bigintspanset_bigint union_floatset_float union_floatspan_float union_floatspanset_float union_intset_int union_intspan_int union_intspanset_int union_period_timestamp union_periodset_timestamp union_set_set union_span_span union_spanset_span union_spanset_spanset union_textset_text union_timestamp_timestampset union_timestampset_timestamp

minus_span_span() SpanSet * minus_span_span ( const Span *  s1, const Span *  s2  ) Return the difference of two spans. SQL Operator: -