Absolutely, that is one direction we are looking into, and none of us has actively started on that.
Bharath is planning to start on join-reordering https://issues.apache.org/jira/browse/HIVE-1938. Similar to the above jira, can you file one and we can discuss in more detail in the jira ? Thanks, -namit On 2/1/11 8:19 AM, "Anja Gruenheid" <anja.gruenh...@gatech.edu> wrote: >Hi! > >I'm a grad student at Georgia Tech and I'm currently working with Hive >for a university project. The project is on query optimization >techniques and possibilities in Hive. I know that there have been a lot >of additions to the ql and metastore components since the latest release >and I was hoping to help advancing those components even further. My >main interests in the course of my research is the storage and use of >metadata to run a cost-based optimizer. This involves basic >optimizations using for example the table size for cost estimations, but >also more advanced approaches using histograms. I know that table and >partition information is already collected in Hive, but from what I >could gather, column metadata and histograms are still open. Would it be >possible for me to contribute to the project in that area? > >Anja
