qio: Read and Write 'Apache Parquet' Files

Read and write 'Apache Parquet' files. Whole files are read with a single call, and larger ones can be opened to inspect their schema and read selected columns, row groups, or batches. Built on the bundled C library 'carquet', with no required R package dependencies.

Version: 0.1.0
Depends: R (≥ 3.5.0)
Imports: utils
Suggests: bit64, dplyr, hms, testthat (≥ 3.0.0), withr
Published: 2026-09-28
DOI: 10.32614/CRAN.package.qio (may not be active yet)
Author: Pedro Baltazar [aut, cre, cph], Johan HG Natter [aut, cph] (carquet source code (MIT license)), vctrs authors [ctb, cph] (qio_s3_register() helper (MIT license))
Maintainer: Pedro Baltazar <pedrobtz at gmail.com>
BugReports: https://github.com/pedrobtz/qio/issues
License: MIT + file LICENSE
Copyright: file inst/COPYRIGHTS
qio copyright details
URL: https://pedrobtz.github.io/qio/, https://github.com/pedrobtz/qio
NeedsCompilation: yes
SystemRequirements: GNU make, zlib
Materials: README, NEWS
CRAN checks: qio results [issues need fixing before 2026-10-19]

Documentation:

Reference manual: qio.html , qio.pdf

Downloads:

Package source: qio_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): qio_0.1.0.tgz, r-release (x86_64): qio_0.1.0.tgz, r-oldrel (x86_64): not available

Linking:

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