Changelog

26.0.0 (2022-10-28)

Full Changelog

Breaking changes:

• Cast Timestamps to RFC3339 strings #2934
• Remove Unused NativeDecimalType #2945 [arrow] (tustvold)
• Format Timestamps as RFC3339 #2939 [arrow] (waitingkuo)
• Update flatbuffers to resolve RUSTSEC-2021-0122 #2895 [arrow] (tustvold)
• replace from_timestamp by from_timestamp_opt #2894 [arrow] (waitingkuo)

Implemented enhancements:

• Optimized way to count the numbers of true and false values in a BooleanArray #2963 [arrow]
• Add pow to i256 #2954 [arrow]
• Write Generic Code over [Large]BinaryArray and [Large]StringArray #2946 [arrow]
• Add Page Row Count Limit #2941 [parquet]
• prettyprint to show timezone offset for timestamp with timezone #2937 [arrow]
• Cast numeric to decimal256 #2922 [arrow]
• Add freeze_with_dictionary API to MutableArrayData #2914 [arrow]
• Support decimal256 array in sort kernels #2911 [arrow]
• support [+/-]hhmm and [+/-]hh as fixedoffset timezone format #2910 [arrow]
• Cleanup decimal sort function #2907 [arrow]
• replace from_timestamp by from_timestamp_opt #2892 [arrow]
• Move Primitive arity kernels to arrow-array #2787 [arrow]
• add overflow-checking for negative arithmetic kernel #2662 [arrow]

Fixed bugs:

• Subtle compatibility issue with serve_arrow #2952
• error[E0599]: no method named total_cmp found for struct f16 in the current scope #2926 [arrow]
• Fail at rowSelection and_then method #2925 [parquet]
• Ordering not implemented for FixedSizeBinary types #2904 [arrow]
• Parquet API: Could not convert timestamp before unix epoch to string/json #2897 [parquet]
• Overly Pessimistic RLE Size Estimation #2889 [parquet]
• Memory alignment error in RawPtrBox::new #2882 [arrow]
• Compilation error under chrono-tz feature #2878 [arrow]
• AHash Statically Allocates 64 bytes #2875 [parquet]
• parquet::arrow::arrow_writer::ArrowWriter ignores page size properties #2853 [parquet]

Documentation updates:

• Document crate topology (#2594) #2913 [arrow] (tustvold)

Closed issues:

• SerializedFileWriter comments about multiple call on consumed self #2935 [parquet]
• Pointer freed error when deallocating ArrayData with shared memory buffer #2874
• Release Arrow 25.0.0 (next release after 24.0.0) #2820 [parquet] [arrow] [arrow-flight]
• Replace DecimalArray with PrimitiveArray #2637 [parquet] [arrow]

Merged pull requests:

• Fix GenericListArray::try_new_from_array_data error message (#526) #2961 [arrow] (tustvold)
• Fix take string on sliced indices #2960 [arrow] (tustvold)
• Add BooleanArray::true_count and BooleanArray::false_count #2957 [arrow] (tustvold)
• Add pow to i256 #2955 [arrow] (viirya)
• fix datatype for timestamptz debug fmt #2948 [arrow] (waitingkuo)
• Add GenericByteArray (#2946) #2947 [arrow] (tustvold)
• Specialize interleave string ~2-3x faster #2944 [arrow] (tustvold)
• Added support for LZ4_RAW compression. (#1604) #2943 [parquet] (marioloko)
• Add optional page row count limit for parquet WriterProperties (#2941) #2942 [parquet] (tustvold)
• Cleanup orphaned doc comments (#2935) #2938 [parquet] (tustvold)
• support more fixedoffset tz format #2936 [arrow] (waitingkuo)
• Benchmark with prepared row converter #2930 [arrow] (tustvold)
• Add lexsort benchmark (#2871) #2929 [arrow] (tustvold)
• Improve panic messages for RowSelection::and_then (#2925) #2928 [parquet] (tustvold)
• Update required half from 2.0 --> 2.1 #2927 [arrow] (alamb)
• Cast numeric to decimal256 #2923 [arrow] (viirya)
• Cleanup generated proto code #2921 [arrow-flight] (tustvold)
• Deprecate TimestampArray from_vec and from_opt_vec #2919 [parquet] [arrow] (tustvold)
• Support decimal256 array in sort kernels #2912 [arrow] (viirya)
• Add timezone abstraction #2909 [arrow] (tustvold)
• Cleanup decimal sort function #2908 [arrow] (viirya)
• Simplify TimestampArray from_vec with timezone #2906 [arrow] (tustvold)
• Implement ord for FixedSizeBinary types #2905 [arrow] (maxburke)
• Update chrono-tz requirement from 0.6 to 0.7 #2903 [arrow] (dependabot[bot])
• Parquet record api support timestamp before epoch #2899 [parquet] (AnthonyPoncet)
• Specialize interleave integer #2898 [arrow] (tustvold)
• Support overflow-checking variant of negate kernel #2893 [arrow] (viirya)
• Respect Page Size Limits in ArrowWriter (#2853) #2890 [parquet] (tustvold)
• Improve row format docs #2888 [arrow] (tustvold)
• Add FixedSizeList::from_iter_primitive #2887 [arrow] (tustvold)
• Simplify ListArray::from_iter_primitive #2886 [arrow] (tustvold)
• Split out value selection kernels into arrow-select (#2594) #2885 [arrow] (tustvold)
• Increase default IPC alignment to 64 (#2883) #2884 [arrow] (tustvold)
• Copying inappropriately aligned buffer in ipc reader #2883 [arrow] (viirya)
• Validate decimal IPC read (#2387) #2880 [arrow] (tustvold)
• Fix compilation error under chrono-tz feature #2879 [arrow] (viirya)
• Don't validate decimal precision in ArrayData (#2637) #2873 [arrow] (tustvold)
• Add downcast_integer and downcast_primitive #2872 [arrow] (tustvold)
• Filter DecimalArray as PrimitiveArray ~5x Faster (#2637) #2870 [arrow] (tustvold)
• Treat DecimalArray as PrimitiveArray in row format #2866 [arrow] (tustvold)

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