echo
----
db0.DelRangeUsingTombstone(ctx, tk(1), tk(3) /* @s1 */) // @0.000000001,0 <nil>
db0.DelRangeUsingTombstone(ctx, tk(2), tk(4) /* @s2 */) // @0.000000002,0 <nil>
/Table/100/"000000000000000{1"-2"}/0.000000001,0 @ s1 <nil>
/Table/100/"000000000000000{2"-3"}/0.000000001,0 @ s1 <nil>
/Table/100/"000000000000000{2"-3"}/0.000000002,0 @ s2 <nil>
/Table/100/"000000000000000{3"-4"}/0.000000002,0 @ s2 <nil>
