apache/arrow-nanoarrow

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Helpers for Arrow C Data & Arrow C Stream interfaces

Stars: 250
Forks: 69
Open beginner issues: 0
Indexed issues: 44
Avg merge: 2d 16h
Merged PRs (30d): 12

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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43 open issues indexed

Use ArrayView appender to simplify array construction in R and Python bindings Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/arrow-nanoarrow#939 · Opened Sep 10, 2026
ArrowArrayAppendBytes has a narrowing cast when appending views with >INT32_MAX bytes Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

apache/arrow-nanoarrow#938 · Opened Sep 9, 2026
Nested decoders do not propagate some types of required parameters into dictionary sub-decoders Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/arrow-nanoarrow#936 · Opened Sep 9, 2026
Can't link to dynamic flatcc dependency Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

apache/arrow-nanoarrow#922 · 1 comment · Opened Aug 7, 2026
Update ENODATA internal sentinel to use a value found on all platforms Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/arrow-nanoarrow#909 · 1 comment · 1 reaction · Opened Jul 22, 2026
Unable to verify version 0.8.0 PGP signature. Open

Difficulty 1/5 Under an hour Newbie friendliness 48/100

apache/arrow-nanoarrow#879 · 1 comment · Opened Apr 24, 2026
to_arrow_ipc() output missing Arrow IPC end-of-stream (EOS) marker Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

apache/arrow-nanoarrow#867 · 2 comments · Opened Apr 6, 2026
Bindings with C library Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

apache/arrow-nanoarrow#851 · 4 comments · Opened Feb 20, 2026
RunEndEncoded type not supported in IPC reader or writer Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

apache/arrow-nanoarrow#833 · 1 comment · 2 reactions · Opened Dec 11, 2025
StringView not supported in IPC reader or writer Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

apache/arrow-nanoarrow#824 · 2 reactions · Opened Nov 12, 2025
slow nanoarrow_array_stream to data.frame for strings; slow ALTREP materialization Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#822 · 10 comments · Opened Nov 5, 2025
Fix compiler warnings on Anroid/ARM NEON Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

apache/arrow-nanoarrow#797 · 1 reaction · Opened Jul 3, 2025
Enable auto_features=enabled flag in Windows Meson CI Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#782 · 1 comment · Opened Jun 12, 2025
Add support for reading Arrow Files (with footer) Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/arrow-nanoarrow#728 · 1 comment · 3 reactions · Opened Mar 19, 2025
Factor out common CMake invocations into functions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/arrow-nanoarrow#726 · 2 comments · 1 reaction · Opened Mar 15, 2025
Matrix support ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/arrow-nanoarrow#691 · 11 comments · 1 reaction · Opened Dec 12, 2024
Allow custom allocator to be injected in more places Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/arrow-nanoarrow#690 · 3 comments · Opened Nov 25, 2024
Skip pre-1.0.0 IPC integration tests Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

apache/arrow-nanoarrow#648 · Opened Oct 4, 2024
Automate testing and updating of stub files in Python bindings Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

apache/arrow-nanoarrow#624 · Opened Sep 19, 2024
Support dictionary-encoded types in the IPC writer Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

apache/arrow-nanoarrow#622 · 6 comments · 2 reactions · Opened Sep 18, 2024
Implement array creation for a wider range of Python objects in the Python bindings Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#620 · 2 comments · Opened Sep 18, 2024
Add support for consuming REE/StringView/ListView arrays as Python objects Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#618 · Opened Sep 18, 2024
Add support for consuming REE/StringView/ListView arrays as R vectors Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#617 · 1 reaction · Opened Sep 18, 2024
Allow non-nullable schemas to be created Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#604 · 2 comments · Opened Sep 6, 2024
Define the relationship between nanoarrow and C++ Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/arrow-nanoarrow#599 · 11 comments · Opened Aug 27, 2024
DISC: Prefer nanobind to Cython Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/arrow-nanoarrow#597 · 4 comments · Opened Aug 25, 2024
Windows issue with negative decimals Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

apache/arrow-nanoarrow#594 · 3 comments · Opened Aug 21, 2024
Implement iterator for StructArray Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#593 · 4 comments · Opened Aug 20, 2024
Add array comparison utility to nanoarrow_testing Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#577 · 2 comments · 1 reaction · Opened Aug 5, 2024
Add an optional stack trace to ArrowError Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

apache/arrow-nanoarrow#567 · 2 comments · Opened Jul 26, 2024
Schema DSL for testing Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

apache/arrow-nanoarrow#566 · 6 comments · Opened Jul 25, 2024
Automatically append ArrowError messages to failed test assertions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#565 · 6 comments · Opened Jul 25, 2024
When generating .pxd, warn for public but unexported functions Open

Difficulty 4/5 3-5 days Newbie friendliness 40/100

apache/arrow-nanoarrow#563 · 2 comments · Opened Jul 19, 2024
[R] Convert arrow dictionary to R factor via `as.data.frame.nanoarrow_array_stream()`? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

apache/arrow-nanoarrow#513 · 3 comments · Opened Jun 9, 2024
Finalize run-end-encoding support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

apache/arrow-nanoarrow#510 · Opened Jun 7, 2024
docs(extensions/nanoarrow_device): Document device extension Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#497 · 1 comment · Opened May 29, 2024
'Open' stream example ? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/arrow-nanoarrow#386 · 8 comments · Opened Feb 15, 2024
[R] String notation of nanoarrow types Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

apache/arrow-nanoarrow#370 · 2 comments · Opened Jan 24, 2024
Schema and ptype inference Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/arrow-nanoarrow#347 · 2 comments · Opened Dec 25, 2023
[R] nanoarrow as an interchange class? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/arrow-nanoarrow#331 · 6 comments · Opened Dec 4, 2023
Tests fail linking against libarrow.so built in Conda environment Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

apache/arrow-nanoarrow#254 · 8 comments · Opened Jul 11, 2023
[R] Implement ALTREP conversions for a list of arrays Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/arrow-nanoarrow#219 · 5 comments · Opened Jun 8, 2023
Show examples of building Arrow C++ structures Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

apache/arrow-nanoarrow#187 · 10 comments · 5 reactions · Opened Apr 28, 2023

apache/arrow-nanoarrow

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