hemwang

> > @hameizi hihi, is there any plan for this PR? i saw the PR [#4580](https://github.com/apache/iceberg/pull/4580) already get merge d into master, > > I will work on this these...

@huaxingao @shangxinli Hi,really appreciate the hard work has been done so far. how is this PR going now? Any updates?

@zhongyujiang Hi, really appreciate the hard work has been done so far. It's a very useful feature! any update on this PR? Is there any work left to be done？

> Hi @iflytek-hmwang5 , We're waiting for people in the community who are interested in it to review it. @zhongyujiang Hi, what can do to speed up the process? Looking...

@zhongyujiang Maybe you can refer to this PR, https://github.com/apache/iceberg/issues/193, Anton Okolnychyi mentioned this idea before, maybe he'll be interested in it.