On Sun, Oct 21, 2012 at 9:19 AM, Ashwin Aravind <[email protected]>wrote:
> I had a query with respect to query execution plan of Drill. > Since Drill will not be using map reduce and the query execution flow will > be that of normal databases (except that schema is nested and storage is > column oriented). How different will be query plan to that of relational > DBs? > Well, the big difference is that Drill is oriented around the full table scan of a single driving table with the minor exception of hash-joins against small tables. This makes the query planning massively simpler. Also is there some reference which anyone could share - to convert Query to > Query plan which might be useful in this case? > I don't. Perhaps somebody else does.
