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**Describe the bug**
Coverage jobs are failing on master
**To Reproduce**
Example: https://github.com/apache/arrow-datafusion/actions/runs/3166566456/jobs/5156371740
```
error: Broken pipe (o…
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I know very little Rust so apologies for noobe question. I'm using DataFusion through Elixir and want to analyse user statements before passing them along to actually perform the query. How do I conve…
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After a brief discussion with @alamb this morning at breakfast, there's another idea we'd like to investigate for improving performance. An index of Parquet files where the API is something like
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### Is your feature request related to a problem or challenge?
Arrow DataFusion has a lot of aggregate functions for scalars and columns. We can compute an aggregate function with array by `unnest` f…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] …
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I have a table that reads correctly using Spark + Delta Lake Libraries, but I'm having trouble reading via `pv`.
**do you know which downstream dependency could be giving me this error?**
>Error…
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### Is your feature request related to a problem or challenge?
Currently, scalar UDF functions can not be "specialized"
```select
SELECT * FROM t where my_matcher(t.column, '[a-z].*');
```
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alamb updated
1 month ago
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### Is your feature request related to a problem or challenge?
While reviewing https://github.com/apache/arrow-datafusion/pull/7708 from @sarutak I spent time looking into what `plan_q` does and it i…
alamb updated
10 months ago
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### Describe the bug
`This feature is not implemented: Physical plan does not support logical expression ()`
ScalarSubquery to Join failed
```
explain select c1 from t1 where t1.c2 > (select t…
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### Is your feature request related to a problem or challenge?
While working on #11299 , I meet the issue that the `single distinct plan` is different from `group by` plan.
https://github.com/apa…