Github user yufeldman commented on the pull request: https://github.com/apache/drill/pull/474#issuecomment-208554692 Not sure how that comment contradicts with what I said. Adding new feature in the next version should not break previous version. > On Apr 11, 2016, at 12:41 PM, arina-ielchiieva <notificati...@github.com> wrote: > > I thought it's hard to maintain backward compatibility. Quoting Parth comment from Jira: > "Drill needs to be able to run queries that depend only on features that are in the oldest version of Drill in the cluster. Say for example, most drillbits are at version N and some are at version N+1. You added support for a new type foo in version N+1. Any queries not using or depending on type foo should run successfully. Queries depending on foo can only run successfully after all the drillbits are upgraded to N+1." > > â > You are receiving this because you commented. > Reply to this email directly or view it on GitHub >
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