zhuqi-lucas commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2768790003
Make Clickbench Q29 5X faster:
https://github.com/apache/datafusion/issues/15524
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alamb commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2717430345
I looked more closely at Q23 and I think I know what is going on. Here is a
writeup
- https://github.com/apache/datafusion/issues/15177
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qazxcdswe123 commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2708702633
> Queries like `avg(distinct a)` rely on this rule, and without it, they
cannot be executed anymore.
>
> The following query is available on the main branch, but not
alamb commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2708274051
> On my m1 mac 16g, removing it shows no differences. So i think we can
maybe remove it?
Sounds good! Can you make a PR and we can get ready to make the change?
Remov
qazxcdswe123 commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2708191051
> On optimizer side, I am not sure if `single_distinct_to_groupby` can
really improve performance in current version (it is an old rule introduced in
long long ago), maybe
Rachelint commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2648640934
For optimizer side, I suspect if `single_distinct_to_groupby` can really
improve performance in current version?
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Rachelint commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2648625729
> > I am trying a poc about support block approach by only modifying codes
of group values(we also need to modifying codes of GroupAccumulatortoo in
[#11943](https://github.co
alamb commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2648610440
> I am trying a poc about support block approach by only modifying codes of
group values(we also need to modifying codes of GroupAccumulatortoo in
https://github.com/apache/datafu
Rachelint commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2648602542
A low hanging fruit #13617, i plan to finish it in this week.
And maybe it is time to push #11943 forward...
I am trying a poc about support `block approach` by `
alamb commented on issue #14586:
URL: https://github.com/apache/datafusion/issues/14586#issuecomment-2648588773
I took a brief look at [some
results](https://benchmark.clickhouse.com/#eyJzeXN0ZW0iOnsiQWxsb3lEQiI6ZmFsc2UsIkFsbG95REIgKHR1bmVkKSI6ZmFsc2UsIkF0aGVuYSAocGFydGl0aW9uZWQpIjpmYWxzZSwi
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