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# Current behavior
When trying to cache a node whose output is a polars DataFrame, an exception is raised.
## Stack Traces
```
*******************************************************************…
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### Describe the bug
Saving lazy dataframe with `polars save` results in loss of order.
### How to reproduce
1. run `1..10 | each { |i| {i: $i}} | polars into-lazy | polars save test.csv` or with s…
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Given the following dataframes:
```
[
#Explorer.DataFrame<
Polars[1134 x 4]
gtin string […]
series string […]
program string […]
program_color string […]
>,
#Expl…
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### Describe the bug
Hi,
I'm trying to save a polars dataframe in cache using the following operation.
```
from vega_datasets import data
import polars as pl
df = data.iris().pipe(pl.from_pandas)
w…
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This was brought up in https://github.com/narwhals-dev/narwhals/pull/1379
```python
df = pd.DataFrame({'a': [1,2], 'b': [4,5]})
print(nw.from_native(df).select(0).to_native())
df = pl.DataFrame(…
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**What**
make ModeImputer polars compatible while maintaining backwards compatibility with pandas.
**Why?**
Making the project polars compatible for speed benefits. [Narwhals](https://github.…
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## Description
- I would like to save partitioned Polars parquet datasets which currently relies on Pyarrow using write_parquet
- Following documentation: [https://docs.pola.rs/api/python/version/…
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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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Thank you for creating a great package.
polars is a next-generation high-performance dataframe package that will replace pandas.
After converting polars to pandas using to_pandas(), you can use the …
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**Is your feature request related to a problem? Please describe.**
Polars DataFrames are becoming more and more popular and are also supported by Mage. But all database connectors only except and ret…