On Tue, Jun 19, 2018 at 8:52 PM, Amit Kapila <amit.kapil...@gmail.com> wrote: > Both values will be present in the index, but the old value will be > delete-marked. It is correct that we can't remove the value (index > tuple) from the index until it is truly dead (not visible to anyone), > but during a delete or index-update operation, we need to traverse the > index to mark the entries as delete-marked. See, at this stage, I > don't want to go in too much detail discussion of how delete-marking > will happen in zheap and also I am not sure this thread is the right > place to discuss details of that technology.
I don't understand, but okay. I can provide feedback once a design for delete marking is available. -- Peter Geoghegan
