theirix commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3137490258
Thank you for the improvement, @adriangb !
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alamb closed issue #16545: Physical plan pushdown for volatile predicates
URL: https://github.com/apache/datafusion/issues/16545
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adriangb commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3104993647
It seems reasonable to me to blacklist some filters. But given that users
can create arbitrary trait implementations for PhysicalExpr we obviously can't
black list everything.
theirix commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3104952628
> > I expect the physical plan optimiser doesn't perform pushdown of
volatile predicates.
>
> I am not sure -- does this result in wrong results?
We don't observe i
alamb commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3097890993
> I expect the physical plan optimiser doesn't perform pushdown of volatile
predicates.
I am not sure -- does this result in wrong results?
It does make sense in gen
theirix commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3092538385
@alamb @adriangb, given your most recent work on pushdowns, does it appear
to be a bug?
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theirix commented on issue #16545:
URL: https://github.com/apache/datafusion/issues/16545#issuecomment-3029427291
@findepi could you please tell if this behaviour makes sense? If not, I
could try fixing the physical plan as in #13268, where you have a review
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theirix opened a new issue, #16545:
URL: https://github.com/apache/datafusion/issues/16545
### Describe the bug
This is a follow-up to a discussion in
https://github.com/apache/datafusion/pull/16325#issuecomment-2985522134, which
is not directly related to table sampling but could af
