echo
----
db0.Put(ctx, tk(1), sv(1)) // @0.000000001,0 <nil>
db0.Scan(ctx, tk(1), tk(3), 0) // @0.000000002,0 (/Table/100/"0000000000000001":v2, <nil>)
/Table/100/"0000000000000001"/0.000000001,0 @ s1 v1
committed scan non-atomic timestamps: [s]/Table/100/"000000000000000{1"-3"}:{0:[0,0, 0,0), gap:[<min>, <max>)}->[/Table/100/"0000000000000001":v2]
