jon-wei commented on pull request #10267:
URL: https://github.com/apache/druid/pull/10267#issuecomment-673733953
> For (1) we could throw an error in situations where people explicitly
specify dimensions and metrics that don't match the computed inputs, informing
them that these parameters no longer have an effect and asking them to remove
them.
(1) sounds good to me.
> For (3) we could introduce a flag that causes an error to be thrown when
you set the timestamp spec to anything other than {"column": "__time",
"format": "auto"} or {"column": "__time", "format": "millis"}. Druid would
invite you to set the flag, which would tell it "yes I really want the new,
more correct behavior". That feature flag could be on or off by default.
I think I'm a little unclear on (3), is the feature flag controlling whether
to use the old/new behavior or is it just for whether the auto/millis check is
executed?
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