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# nanoarrow Changelog

## nanoarrow 0.1.0 (2023-03-01)

### 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)

### Fix

- 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)

## nanoarrow 0.2.0 (2023-06-16)

### 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

- 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 0.3.0 (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)