问题

I understand your request. Here's the translated content:

有人知道为什么 Polars（或者可能是我的 PyCharm 设置或 Python 调试器）限制了输出中的行数吗？这让我很烦恼。

这是我正在运行的 Polars 代码，但我怀疑它与 Polars 无关，因为在谷歌上几乎找不到相关信息（而 ChatGPT 说它的信息太旧了哈哈）。

import polars as pl

df = pl.scan_parquet('/path/to/file.parquet')
result_df = (
        df
        .filter(pl.col("condition_category") == 'unknown')
        .groupby("type")
        .agg(
            [
                pl.col("type").count().alias("counts"),
            ]
        )
    ).collect()
print(result_df)

import polars as pl

df = pl.scan_parquet('/path/to/file.parquet')
result_df =(
        df
        .filter(pl.col("condition_category") == 'unknown')
        .groupby("type")
        .agg(
            [
                pl.col("type").count().alias("counts"),
            ]
        )
    ).collect()
print(result_df)

答案1

得分: 2

以下部分已翻译：

"Looks like the following will work. Thanks to @wayoshi for sharing this. I will say that the defaults are way too conservative!

    cfg.set_tbl_rows(1000)
    print(result_df)

or throw this at the top of your script if you prefer to not manage contexts.

import polars as pl

# Configure Polars 
cfg = pl.Config()
cfg.set_tbl_rows(2000)
```"

[1]: https://pola-rs.github.io/polars/py-polars/html/reference/config.html

<details>
<summary>英文:</summary>

Looks like the following will work. Thanks to @wayoshi for sharing [this][1]. I will say that the defaults are way too conservative!

with pl.Config() as cfg:
cfg.set_tbl_rows(1000)
print(result_df)

or throw this at the top of your script if you prefer to not manage contexts.

import polars as pl

Configure Polars

cfg = pl.Config()
cfg.set_tbl_rows(2000)

  [1]: https://pola-rs.github.io/polars/py-polars/html/reference/config.html

</details>