alamb commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2816753297
I can try and help this effort in a few weeks, but I need to finish up the
filter pushdown work in parquet and topk work first (I have too many things
outstanding at the moment an
xudong963 commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2816732058
> What I suggest is that someone updates our documentation with the current
state of joins in DataFusion (namely what operators are implemented and what
types of joins they ar
alamb commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2816665497
TLDR while this is straight forward bug report, I think fixing it is not
not something we are going to make a patch for -- it will require a more
serious implementation effort fo
Dandandan commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2816553633
There is also a now closed PR for IEJoin
https://github.com/apache/datafusion/pull/12754#pullrequestreview-2350501097
That allows joining on some other conditions.
kosiew commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2816494226
@2010YOUY01
What do you think of using sorted inputs, just like SortMergeJoinExec
Instead of ==, allow conditions like:
t1.id < t2.id
t1.timestamp <= t2.ev
2010YOUY01 commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2815082026
I think https://github.com/apache/datafusion/issues/15760 is needed to fix
the issue.
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2010YOUY01 commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2814936184
> [@alamb](https://github.com/alamb)
>
> I think a SortMergeJoin derivative that handles inequality could be
helpful here but there are comments that SortMergeJoin is n
kosiew commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2812443761
@alamb
I think a SortMergeJoin derivative that handles inequality could be helpful
here but there are comments that
SortMergeJoin is not used in plans yet.
Is t
kosiew commented on issue #15628:
URL: https://github.com/apache/datafusion/issues/15628#issuecomment-2801251917
take
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mmooyyii opened a new issue, #15628:
URL: https://github.com/apache/datafusion/issues/15628
### Is your feature request related to a problem or challenge?
```
# make testdata
import pandas as pd
n_rows = 10
data = {'id': range(1, n_rows + 1)}
df = pd.DataFram
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