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(feat) Additional Arrow support

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
72/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
r, typescript
Domain
data, tooling

Research direction

Start in the Data Viewer model by reading the existing Arrow table support and tracing how View() handles on-demand data loading. Extend that path for Dataset and its subclasses, including FileSystemDataset, and arrow_dplyr_query. Done means file-backed Arrow datasets and dplyr queries open directly without collecting the full dataset, with rows fetched as requested.

Written by the indexing model from the issue text.

Description

enhancement
Additional Arrow support

With the current on demand data loading, I think Data Viewer could extend existing Arrow table support to lazy Arrow-backed data sources:

  • Dataset and its subclasses, including FileSystemDataset
  • arrow_dplyr_query

This allows file-backed Arrow datasets and dplyr queries on Arrow data to be opened directly with View() without first collecting the full dataset into memory. Rows are fetched on demand as they are requested by the Data Viewer, allowing large Arrow datasets to be browsed efficiently.

This should only be a small change in the data viewer model.

Dominant language
TypeScript
Stars
1.2k
Forks
139
Avg merge
20h 32m
Merged PRs (30d)
25

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