Oh, I see this is an ORC feature like the Parquet schema evolution stuff. We implemented support for ordering by the top level struct names in Presto a while back.
-dain > On Dec 12, 2016, at 4:44 PM, Owen O'Malley <[email protected]> wrote: > > On Mon, Dec 12, 2016 at 4:42 PM, Dain Sundstrom <[email protected]> wrote: > >> So, rename column is not expected to work anymore? > > > ORC-120 will add an option to force positional mapping. > > .. Owen
