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Trouble with Polars column

Data engineering4 posts from 4 people4d active+00 posts in the last 7 days, 1 the 7 days before (fading)

Posts per day

Posts per day4 posts, Aug 30 to Sep 25

The posts behind it

4, newest first
PostDate
Parquet metadata pruning is disabled for scans with a column mapping (Iceberg)[prune_parquet_metadata](https://github.com/pola-rs/polars/blob/main/crates/polars-plan/src/plans/optimizer/parquet_metadata_prune.rs) trims each retained footer down to the projected and predicate columns, shrinking the metadata that Polars Cloud serializes to workers. It...pola-rs/polarsdancsiSep 187 days ago
pl.list fails to broadcast leading scalar input against column### 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. ### Reproducible example ### Log output ### Issue description pl.list behavior depends on...pola-rs/polars0guban0vSep 112 weeks ago
Panic on empty join result with Array column when input is multi-chunk### 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. ### Reproducible example ### Log output ### Issue description This is closely related to...pola-rs/polarsHakonSohoelSep 23 weeks ago
`rolling_rank_by` nulls column when last value is null### 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. ### Reproducible example ### Log output ### Issue description When the last value of a...pola-rs/polarsmpl632Aug 303 weeks ago

Companies and products named

Company or productPosts naming it
Polars4
PyPI3
GitHub1
About this problem

Evidence

4 posts from 4 people in 1 place, about 1 a week over 20 days. Mostly on pola-rs/polars. Tools named alongside: PyPI, GitHub.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about Polars with no known issue, sharing the word "column". First post Aug 30, 2026, latest Sep 18, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

History

  • 2026-09-25 Added: Trouble with Polars column (4 posts)

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