On Thu, May 1, 2014 at 10:19 PM, Kasper Sørensen < kasper.soren...@humaninference.com> wrote:
> - Can you explain or link to more information about the type inference you > mention? > The type inferencing is used by Drill. The problem is that strong typing is normally required to parse SQL statements. If you don't even yet know what columns exist, parsing a query is difficult for normal SQL parsers. Generating good code for such situations has to be delayed until type information is available. See http://tnachen.wordpress.com/2013/11/05/lifetime-of-a-query-in-drill-alpha-release/ https://docs.google.com/document/d/1QTL8warUYS2KjldQrGUse7zp8eA72VKtLOHwfXy6c7I/edit
