pola-rs/r-polars

`<dataframe>$describe()` print many messages if vctrs and blob are not installed

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#1,438 opened on Jul 21, 2025

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enhancementgood first issue

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Description

This is rather odd, as it is non-trivial that internally there are multiple conversions to R happening.

I think they come from this line. https://github.com/pola-rs/r-polars/blob/a9102a92a00a43c68f2e0cdb52397c947c929646/R/lazyframe-frame.R#L2603

Contributor guide

Research direction
Investigate the line in lazyframe frame.R around line 2603 where conversions happen, and check how missing vctrs/blob packages cause messages; propose a fix to suppress or handle the messages gracefully.
Tech stack
r
Domain
backenddata
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Rpolars
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70