Trouble with Polars join
Data engineering2 posts from 2 people2d active+00 posts in the last 7 days, 0 the 7 days before (fading)Unverified
Posts per day
The posts behind it
2, newest first| Post | Date | |
|---|---|---|
| In streaming mode, `.limit()` doesn't return early after join operations### 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 doing a join between two...pola-rs/polarscBournhonesque | pola-rs/polarscBournhonesque2 reactions | Sep 102 weeks ago |
| Left join using `join_where()` causes rayon stackoverflow...to perform non-equi left joins between LazyFrames with 10,000,000+ rows but have been unable to perform such a join with `join_where()` outside of relatively very small datasets. I am able to perform standard left joins followed by `filter()` with large datasets. ### Expected...pola-rs/polarstimbeechey | pola-rs/polarstimbeechey1 reactions, 1 replies | Aug 293 weeks ago |
Companies and products named
About this problem
Evidence
2 posts from 2 people in 1 place, about 1 a week over 13 days. Mostly on pola-rs/polars. Tools named alongside: PyPI.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Polars with no known issue, sharing the word "join". First post Aug 29, 2026, latest Sep 10, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
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History
- 2026-09-25 Added: Trouble with Polars join (2 posts)