pola-rs/r-polars

support delta lake reader

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#221 opened on May 15, 2023

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Description

polars seems to support it but it's implemented on the python side: https://pola-rs.github.io/polars/py-polars/html/reference/api/polars.read_delta.html

the underlying delta lake interface lib is written in Rust though: https://docs.rs/deltalake/latest/deltalake/

Contributor guide

Research direction
Explore the existing Python delta lake reader implementation in Polars and the underlying Rust deltalake crate. Then implement R bindings using the extendr crate or similar.
Tech stack
rrust
Domain
backenddata
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
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
RRustC/FFI
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30