Re: Group by wrong results?

From: Rich J <rjoralist3_at_society.servebeer.com>
Date: Thu, 09 Aug 2018 11:19:24 -0500
Message-ID: <386fbaed8bebb2f0e734ca57cb2eee8e_at_society.servebeer.com>



On 2018/08/09 09:46, Rich J wrote:

> On 2018/08/08 13:33, Daniel Fink wrote:
>

>> The 2nd query I posted is returning the data I want (max number of sessions per minute, not a total count of sessions per minute). I pulled the queries apart and checked the data output.

>
> It's interesting that:
>
> ALTER SYSTEM SET OPTIMIZER_FEATURES_ENABLE='12.1.0.1' SCOPE=BOTH;
>
> ...has the query returning the correct results, as inferred by Jonathan's blog post linked in a previous response.
>
> I'm getting the same incorrect grouping as you with my 12.1.0.2 DB, and this setting appears to be a workaround, although with the distinct possibility of other side-effects.

BTW, this seems to match BUG 19567916 and the bugs/fixes that supersede it.

Rich

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Received on Thu Aug 09 2018 - 18:19:24 CEST

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