nanoarrow 0.6.0

Docs

• python: Add example of python package with nanoarrow C extension (#645)

Feat

• Add ArrowArrayView accessors to inspect buffer properties (#638)
• String/Binary View Support (#596)
• add Footer decoding (#598)
• Revendor flatcc (#592)
• Add IPC integration test executable (#585)
• Add ArrowArrayViewCompare() to check for array equality (#578)
• Add IPC stream writing (#571)
• add ipc RecordBatch encoding (#555)
• add ArrowIpcOutputStream (#570)
• Add IPC schema encoding (#568)
• Add IPC writer scaffolding (#564)
• Add ArrowArrayViewComputeNullCount (#562)
• Add Meson support in nanoarrow_device (#484)
• Meson build system for nanoarrow-ipc extension (#483)
• Add support for run-end encoded array (#507)
• Add float16 support for ArrowArrayViewGet{Double,Int,UInt}Unsafe() (#501)
• Add support for appending values to half float ArrowArray (#499)
• extensions/nanoarrow_device: Implement asynchronous buffer copying (#509)
• python: Add StringView and BinaryView IO to Python bindings (#637)
• python: Implement array from buffer for non-CPU arrays (#550)
• python: Implement bindings to IPC writer (#586)
• python: Implement CUDA build in Python bindings (#547)
• r: Add float16 support for R bindings (#650)
• r: Implement string view support in R bindings (#636)
• r: Allow opt-out of warning for unregistered extension types (#632)
• r: Add bindings to IPC writer (#608)

Fix

• Remove unreachable code (#649)
• Properly ingest Binary View types without variadic buffers (#635)
• python schema repr does not truncate output (#628)
• Accommodate IPC messages without continuation bytes (#629)
• Ignore empty (but present) union validity bitmaps from before 1.0 (#630)
• Only validate relevant type_ids for array view slice (#627)
• Improve validation of offset buffers for sliced arrays (#626)
• Ensure CMake linking against built/installed nanoarrow works for all components (#614)
• Ensure footer test passes on big endian (#609)
• ensure 1 is written for boolean True (#601)
• Ensure that schema metadata is always present even if empty (#591)
• Include missing cases in ArrowArrayInitFromType() (#588)
• Silence warning when compiling nanoarrow.hpp on at least one version of MSVC (#590)
• don't require metadata order in nanoarrow_ipc_integration (#589)
• IPC streams did not include RecordBatch headers (#582)
• Fix Meson build for separated nanoarrow_testing target (#574)
• Ensure children is NULL for zero children in ArrayViewAllocateChildren (#556)
• CMake deprecation warnings from subprojects (#535)
• Meson install header files and pkgconfig (#542)
• Fix symbol export visibility in c_data_integration_test (#531)
• Fix Meson include directories (#532)
• Ensure we don't call cuMemAlloc with 0 bytesize (#534)
• Ensure ArrowDeviceArray implementation for AppleMetal passes tests on newer MacOS (#527)
• Check for offset + length > int64_max before using the value to calculate buffer sizes (#524)
• check run_ends_view->length before accessing its values (#518)
• Force static library build on Windows when building with Meson (#496)
• ci: Fix verify, meson-build, and docker-build weekly runs (#581)
• ci: Fix build and test of nanoarrow on centos7 and s390x (#576)
• ci: Pin r-lib actions as a workaround for latest action updates (#572)
• ci: Fix verification workflow (#552)
• ci: Stop building unbuildable image based on centos7 (#553)
• python: Fix detection of cuda library on hosted runner (#554)
• r: Avoid flatcc aligned_alloc() call when compiling R package (#494)

Refactor

• Consolidate per-target actions in CMakeLists.txt (#573)
• Separate implementation from interface for nanoarrow_testing component (#561)
• Separate components into folders under src/nanoarrow (#536)
• Use ArrowStringView C++ literal in tests (#528)
• Move Meson build targets to top level directory (#530)
• Simplify Meson test generation (#525)
• Remove CMake requirement from Meson IPC config (#522)
• Use inttypes.h macros instead of casts to print fixed-width integers (#520)
• Consolidate device extension into main project (#517)
• Consolidate IPC extension into main project (#511)
• extensions/nanoarrow_device: Migrate CUDA device implementation to use the driver API (#488)
• python: Split ArrowArray and ArrowArrayStream modules (#559)
• python: Separate schema cython classes into their own module (#558)
• python: Split buffer Cython internals into a separate module (#549)
• python: Split device functionality into its own module (#548)
• python: Split type identifier utilities into thier own module (#545)
• python: Extract utility functions into _utils.pyx (#529)
• r: Use JSON in experimental R vctrs extension type (#533)

Test

• Fix meson build and clean up some warnings (#595)
• test with the HalfFloatType from arrow (#503)

nanoarrow 0.5.0

Docs

• Update top-level documentation (#473)
• python: Update Python bindings readme (#474)

Feat

• Add ArrowArray and ArrowArrayStream C++ iterators (#404)
• Meson support (#413)
• python: Add column-wise buffer builder (#464)
• python: Add visitor pattern + builders for column sequences (#454)
• python: Add copy_into() to CBufferView (#455)
• python: Ensure that buffer produced by CBufferView.unpack_bits() has a boolean type (#457)
• python: Unify printing of type information across classes (#458)
• python: Add Array.from_chunks() constructor (#456)
• python: Implement bitmap unpacking (#450)
• python: Allow creation of dictionary and list types (#445)
• python: Implement extension type and Schema metadata support (#431)
• python: Add user-facing ArrayStream class (#439)
• python: Iterate over array buffers (#433)
• python: add back nanoarrow.array(..) constructor (#441)
• python: function to inspect a single-chunk Array (#436)
• python: Create string/binary arrays from iterables (#430)
• python: Support Decimal types in convert to Python (#425)
• python: Add Arrow->Python datetime support (#417)
• python: Clarify interaction between the CDeviceArray, the CArrayView, and the CArray (#409)
• python: Add user-facing Array class (#396)
• python: Add CArrayView -> Python conversion (#391)
• python: Add bindings for IPC reader (#388)
• python: Add array creation/building from buffers (#378)
• r: Add experimental nanoarrow_vctr to wrap a list of arrays (#461)
• r: Add bindings for IPC reader (#390)

Fix

• Ensure nanoarrow.hpp compiles on gcc 4.8 (#472)
• Ensure negative return values from snprintf() are not used as indexes (#418)
• Relax comparison strictness such that integration tests pass (#399)
• Make build and install dirs proper CMake package, fix C++ header inclusion, and add proper tests (#406)
• Ensure that the deallocator called by ArrowBufferDeallocator() is called exactly once (#387)
• ci: Use cached Arrow C++ build in CI (#410)
• docs: Fix typo in documentation for ArrowSchemaSetTypeUnion() (#432)
• docs: Correct typo in README.md (#414)
• python: Skip test relying on memoryview context manager on PyPy 3.8 (#479)
• python: Fix use of memoryview to write fill to the buffer builder (#477)
• python: Add iterator for null/na type (#467)
• python: Ensure reference-counting tests are skipped on PyPy (#453)
• python: Make shallow CArray copies less shallow to accomodate moving children (#451)
• python: Update tests for pyarrow 16 (#440)
• r: Fix tests for platforms where arrow dataset and/or zip is not available (#415)

Refactor

• docs: Shuffle organization of sections to multiple pages (#460)
• python: Reorganize strategies for building arrays (#444)
• r: remove unnecessary package name call (#381)

nanoarrow 0.4.0

Docs

• r: fix source links from pkgdown site (#315)

Feat

• Check flags field of ArrowSchema on ArrowSchemaViewInit (#368)
• Add decimal support to integration tester (#361)
• Add support for datetime types in integration tester (#356)
• Add dictionary support in integration test utility (#342)
• Add C Data integration test shared library (#337)
• Add Array/Schema/ArrayStream comparison utility to testing helpers (#330)
• Add batch reader and data file read/write to/from ArrowArrayStream (#328)
• Add integration testing reader for Column (#325)
• Add integration testing JSON reader (#322)
• Add Type/Field/Schema JSON writer for integration testing JSON (#321)
• extensions/nanoarrow_testing: Add nanoarrow_testing extension with testing JSON writer (#317)
• python: Implement user-facing Schema class (#366)
• python: basic export through PyCapsules (#320)
• python: Add ArrowDeviceArray extension to Python bindings (#313)
• python: Support the PyCapsule protocol (#318)
• r: Provide LinkingTo headers for extension packages (#332)
• r: Add more nanoarrow_array_stream generics (#349)
• r: Add conversion from integer type to character() (#345)

Fix

• Issue with appending NULLs to IntervalArray (#376)
• Suppress unused parameter warnings (#365)
• Add const qualifier where appropriate in struct fields and declarations (#327)
• docs: Correct typo in testing.rst (#348)
• r: Ensure simple list()s can be converted without arrow installed (#344)
• r: Ensure wrapper array stream eagerly releases the wrapped array stream (#333)

Perf

• Improved Bit (Un)packing Performance (#280)

Refactor

• Add wrappers around callbacks to improve syntax and debuggability (#338)
• Improve syntax for implementing ArrowArrayStream from C++ (#336)
• python: Document, prefix, and add reprs for C-wrapping classes (#340)

nanoarrow 0.3.0

nanoarrow 0.3.0 (2023-09-26)

Feat

• r: Use classed warnings to signal that a lossy conversion occurred (#298)
• r: Add support for bit64::integer64() conversions (#293)
• r: Implement extension type registration/conversion (#288)
• r: Implement dictionary conversion (#285)
• Add ArrowBitsUnpackInt32() (#278)
• Add ArrowBitmapUnpackInt8Unsafe() (#276)
• Add Support for Intervals (#258)
• extensions/nanoarrow_device: Draft DeviceArray interface (#205)

Fix

• Resolve build warnings on Windows (#304)
• Return EOVERFLOW when appending to a string or binary type would exeed 2 GB (#302)
• dev/release: Increase test discovery timeout value (#300)
• Fix declaration of an array with an ambiguously constexpr size (#301)
• r: Ensure ordered is reflected in na_dictionary() (#299)
• r: Warn for possibly out of range int64 -> double conversions (#294)
• extensions/nanoarrow_ipc: Check number of bytes read when reading buffer body (#295)
• Ensure that test for increasing offsets is not affected by overflow (#291)
• extensions/nanoarrow_ipc: Fix crash and mixleading error messages resulting from corrupted streams (#289)
• r: Support map conversion to R vector (#282)
• examples/linesplitter: Fix CMake Build (#271)
• r: Don't link to arrow package R6 class pages (#269)
• python: Ensure generator does not raise StopIteration (#262)
• docs: Fix typo in getting started article (#250)
• Fix bad access crash in ArrowBitmapByteCountSet() (#242)

Refactor

• r: Use basic_array_stream() to improve array stream to data.frame conversion (#279)
• python: Cleaner strategy for __iter__() on an ArrowArrayStream (#263)

nanoarrow 0.2.0

apache-arrow-nanoarrow-0.2.0 (2023-06-19)

Feat

• python: Python schema, array, and array view skeleton (#117)
• Include dictionary member in ArrowArrayView struct (#221)
• extensions/nanoarrow_ipc: Add endian swapping to IPC reader (#214)
• r: Improve printing and conversion of buffers (#208)
• Add enum ArrowType buffer_data_type member to struct ArrowLayout (#207)
• Implement ListChildOffset function (#197)
• r: Add ability to deterministically run a finalizer on an array stream (#196)
• r: Union array support (#195)
• r: Add ArrowArrayStream implementation to support keeping a dependent object in scope (#194)
• Add Decimal Get/Set utilities (#180)
• extensions/nanoarrow_ipc: Add option to validate arrays at NANOARROW_VALIDATION_LEVEL_FULL (#177)
• Allow explicit validation level in ArrowArrayFinishBuilding() (#175)
• Implement ArrowArrayViewValidateFull() (#174)
• extensions/nanoarrow_ipc: Allow shared buffers for zero-copy buffer decode (#165)
• extensions/nanoarrow_ipc: Add single-threaded stream reader (#164)
• ci: Add suite of Docker-based release verification script tests (#160)
• extensions/nanoarrow_ipc: Decode RecordBatch message to ArrowArray (#143)
• extensions/nanoarrow_ipc: Improve type coverage of schema field decode (#115)
• r: Add as_nanoarrow_array() implementation that does not fall back on arrow::as_arrow_array() everywhere (#108)
• r: Create nanoarrow_array objects from buffers (#105)
• r: Implement infer schema methods (#104)
• r: Create and modify nanoarrow_schema objects (#101)

Fix

• Fix bad access crash in ArrowBitmapByteCountSet() (#242)
• Improve limit check for unsigned input (#233)
• extensions/nanoarrow_ipc: Don't produce arrays with NULL data buffers (#226)
• r: Fix convert_array_stream() for non-record batch stream with zero batches (#212)
• clear release in EmptyArrayStream::release_wrapper (#204)
• r: Release streams when calling as.vector() or as.data.frame() (#202)
• Improve readability of ArrowArrayAllocateChildren() (#199)
• extensions/nanoarrow_ipc: Fix + test calling ArrowIpcDecoderSetSchema() more than once (#173)
• extensions/nanoarrow_ipc: Don't release input stream automatically on end of input (#168)
• r: Don't invoke undefined behaviour in conversions to/from Arrow (#167)
• extensions/nanoarrow_ipc: Test without C11 atomics on CI (#166)
• extensions/nanoarrow_ipc: Ensure tests pass on big endian (#162)
• r: Use strict prototypes in all internal C functions (#151)
• r: Don't memcpy NULL when converting buffer to raw (#149)
• include compilers in conda instructions (#142)
• include gtest in conda instructions (#138)
• Explicit stringsAsFactors = FALSE for R <= 3.6 (#135)
• Support centos7/gcc 4.8 for CMake build + test workflow (#133)
• Fix cmake build + test and verification script on Windows (#130)
• isnan() usage compatible with old clang (#126)
• Improve reliability of R tests on non-standard systems (#127)
• Ensure tests pass on big endian (#128)
• Correct storage type for timestamp and duration types (#116)
• extensions/nanoarrow_ipc: Remove extra copy of flatcc from dist/ (#113)
• make sure bundled nanoarrow is also valid C++ (#112)
• extensions/nanoarrow_ipc: Tweak draft interface (#111)
• set map entries/key to non-nullable (#107)
• ci: Actually commit bundled IPC extension to dist/ (#96)

Refactor

• extensions/nanoarrow_ipc: Reconfigure assembling arrays for better validation (#209)
• Unify ArrowArrayView and ArrowArray validation (#201)

nanoarrow 0.1.0

nanoarrow 0.1.0 (2023-03-01)

Fix

• Explicit stringsAsFactors = FALSE for R <= 3.6 (#135)
• Support centos7/gcc 4.8 for CMake build + test workflow (#133)
• Fix cmake build + test and verification script on Windows (#130)
• isnan() usage compatible with old clang (#126)
• Improve reliability of R tests on non-standard systems (#127)
• Ensure tests pass on big endian (#128)
• Correct storage type for timestamp and duration types (#116)
• extensions/nanoarrow_ipc: Remove extra copy of flatcc from dist/ (#113)
• make sure bundled nanoarrow is also valid C++ (#112)
• extensions/nanoarrow_ipc: Tweak draft interface (#111)
• set map entries/key to non-nullable (#107)
• ci: Actually commit bundled IPC extension to dist/ (#96)

Feat

• extensions/nanoarrow_ipc: Improve type coverage of schema field decode (#115)
• r: Add as_nanoarrow_array() implementation that does not fall back on arrow::as_arrow_array() everywhere (#108)
• r: Create nanoarrow_array objects from buffers (#105)
• r: Implement infer schema methods (#104)
• r: Create and modify nanoarrow_schema objects (#101)