Hi Zoltan,

I used the same hive-site.xml for the previous test (which was okay) and
the new test (which failed), so my guess is that it is perhaps due to a
commit since the previous test. Let me try later to identify the commit
that fails query 14, with the hope that identifying such a commit might be
useful in debugging.

Another question: is HIVE-24360 part of a solution to the problem of
hive.optimize.shared.work.dppunion?
I have tried the latest commit (which includes HIVE-24360) using the TPC-DS
benchmark, and it seems like the problem still exists.

Cheers,

--- Sungwoo

On Mon, Nov 9, 2020 at 6:18 PM Zoltan Haindrich <k...@rxd.hu> wrote:

> Hey Sungwoo!
>
> Regarding Q14 / "java.lang.RuntimeException: equivalence mapping violation"
>
>  From the stack trace you shared it seems like the mapper have already
> seen both the filter and the ast node earlier - and they are in separate
> mapping groups. (Which is
> unfortunate) I think it won't be simple to track that down - it will
> definetly need some debugging.
> The best would be to have a repro query for it...
>
> note: we already run q14 in TestTezPerf*Driver - could it might be
> possible that we've disabled some features in the hive-site.xml for these
> tests; and that's why we
> haven't seen it before?
>
> cheers,
> Zoltan
>
>

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