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### Checks
- [X] I have checked that this issue has not already been reported.
- [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of Polars.
### Reprodu…
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We currently support transparent `memtable` creation from pandas DataFrames and pyarrow Tables if they are provided as the RHS of a join expression.
We should extend that to include other data inputs…
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My use case is to process many files in a cpu heavy workload, what I did is do a glob of files, par_bridge it into a cpu intensive task, but in that task it needs to first loads the file which is IO h…
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Hello,
I've noticed that `ruff` has a `pandas-vet` plugin. Would you open to adding a Polars-vet one?
It could make suggestions such as
```diff
- pl.read_csv(file_name).lazy()
+ pl.scan_c…
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**Describe the bug**
When running the __DwdObservationRequest_ command_, I get a value error '**ValueError: not enough values to unpack (expected 2, got 1)**'. At this the command: '**_values = reque…
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**Is your feature request related to a problem? Please describe.**
The [Arrow PyCapsule Interface](https://arrow.apache.org/docs/format/CDataInterface/PyCapsuleInterface.html) is a new spec to simp…
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### Describe the bug
When `polars join` is used in scripts, there are situations where the empty list of columns will be passed as arguments. Currently, `polars` panics in such cases, but it would be…
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I tried the pure rust code example and I get these error running the code
this is the code
`use forust_ml::{GradientBooster, Matrix};
use polars::prelude::*;
use reqwest::blocking::Client;
use …
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Just a dumping ground for ideas.
I think we can extract most of the core logic to rust and then offer functions/packages that produce both polars data and pandas data (via arrow -> pandas conversi…
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Hi,
I am attempting to integrate the methylation percentage data obtained from pileup discussed in #129 with the data on read_position from modkit extract. Applying polars code does not yield results…