Trouble with Polars instead

Data engineering2 posts from 2 people2d active+00 posts in the last 7 days, 0 the 7 days before (fading)Unverified

Posts per day2 posts, Aug 28 to Sep 25

The posts behind it

2, newest first

Post	Where	Date
`str.{to_datetime,to_time,to_date}` with `format=None` return nulls instead of raising on the streaming engine### 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 automatic format...pola-rs/polarsFBruzzesi	pola-rs/polarsFBruzzesi1 reactions	Sep 102 weeks ago
dt.offset_by panics instead of raising when the offset date exceeds the internal Date range...to a Python object takes place, i.e. it's the internal date-arithmetic step itself that fails to construct the target date and unwraps on the error instead of propagating it. Same panic reproduces with `"mo"` units too (e.g. `"2147483647mo"`), and via `Series.dt.offset_by`...pola-rs/polarsVANDRANKI	pola-rs/polarsVANDRANKI1 reactions	Aug 284 weeks ago

Companies and products named

Company or product	Posts naming it
Polars	2
PyPI	1

About this problem

Evidence

2 posts from 2 people in 1 place, about 1 a week over 14 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 "instead". First post Aug 28, 2026, latest Sep 10, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

Posts per day

The posts behind it

Companies and products named

Rising problems by email