This could be made to work, but the other ones would take more effort. And this one would only work if you're deleting a single row and had no other filters (i.e. it would stop working if you added AND col1 > 0 to the DELETE statement.

For now, we'll just need to make it clear that clients don't see their own uncommitted data. I'll talk with the HBase folks about the feasibility of changing this - see below for more comments. Thanks for the tests!