*/staticbooltuple_equals_slot(TupleDesc desc, HeapTuple tup, TupleTableSlot *slot){ Datum values[MaxTupleAttributeNumber];boolisnull[MaxTupleAttributeNumber];intattrnum; Form_pg_attribute att;heap_deform_tuple(tup, desc, values, isnull);/* Check equality of the attributes. */for(attrnum =0...