This is an automated email from the ASF dual-hosted git repository. kszucs pushed a commit to annotated tag apache-arrow-2.0.0 in repository https://gitbox.apache.org/repos/asf/arrow.git
commit 0aa20697bcd3dbdf0daadb3409b6347f533be563 Author: Krisztián Szűcs <[email protected]> AuthorDate: Tue Oct 13 01:36:44 2020 +0200 [Release] Update CHANGELOG.md for 2.0.0 --- CHANGELOG.md | 584 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 584 insertions(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 3e5619b..686f1d4 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,4 +1,588 @@ +# Apache Arrow 2.0.0 (2020-10-13) + +## Bug Fixes + +* [ARROW-2367](https://issues.apache.org/jira/browse/ARROW-2367) - [Python] ListArray has trouble with sizes greater than kMaximumCapacity +* [ARROW-4189](https://issues.apache.org/jira/browse/ARROW-4189) - [CI] [Rust] Fix broken cargo coverage +* [ARROW-4917](https://issues.apache.org/jira/browse/ARROW-4917) - [C++] orc\_ep fails in cpp-alpine docker +* [ARROW-5578](https://issues.apache.org/jira/browse/ARROW-5578) - [C++][Flight] Flight does not build out of the box on Alpine Linux +* [ARROW-7226](https://issues.apache.org/jira/browse/ARROW-7226) - [JSON][Python] Json loader fails on example in documentation. +* [ARROW-7384](https://issues.apache.org/jira/browse/ARROW-7384) - [Website] Fix search indexing warning reported by Google +* [ARROW-7517](https://issues.apache.org/jira/browse/ARROW-7517) - [C++] Builder does not honour dictionary type provided during initialization +* [ARROW-7663](https://issues.apache.org/jira/browse/ARROW-7663) - [Python] from\_pandas gives TypeError instead of ArrowTypeError in some cases +* [ARROW-7903](https://issues.apache.org/jira/browse/ARROW-7903) - [Rust] [DataFusion] Upgrade SQLParser dependency for DataFusion +* [ARROW-7957](https://issues.apache.org/jira/browse/ARROW-7957) - [Python] ParquetDataset cannot take HadoopFileSystem as filesystem +* [ARROW-8265](https://issues.apache.org/jira/browse/ARROW-8265) - [Rust] [DataFusion] Table API collect() should not require context +* [ARROW-8394](https://issues.apache.org/jira/browse/ARROW-8394) - [JS] Typescript compiler errors for arrow d.ts files, when using es2015-esm package +* [ARROW-8735](https://issues.apache.org/jira/browse/ARROW-8735) - [Rust] [Parquet] Parquet crate fails to compile on Arm architecture +* [ARROW-8749](https://issues.apache.org/jira/browse/ARROW-8749) - [C++] IpcFormatWriter writes dictionary batches with wrong ID +* [ARROW-8773](https://issues.apache.org/jira/browse/ARROW-8773) - [Python] pyarrow schema.empty\_table() does not preserve nullability of fields +* [ARROW-9028](https://issues.apache.org/jira/browse/ARROW-9028) - [R] Should be able to convert an empty table +* [ARROW-9096](https://issues.apache.org/jira/browse/ARROW-9096) - [Python] Pandas roundtrip with object-dtype column labels with integer values: data type "integer" not understood +* [ARROW-9177](https://issues.apache.org/jira/browse/ARROW-9177) - [C++][Parquet] Tracking issue for cross-implementation LZ4 Parquet compression compatibility +* [ARROW-9414](https://issues.apache.org/jira/browse/ARROW-9414) - [C++] apt package includes headers for S3 interface, but no support +* [ARROW-9462](https://issues.apache.org/jira/browse/ARROW-9462) - [Go] The Indentation after the first Record arrjson writer is missing +* [ARROW-9463](https://issues.apache.org/jira/browse/ARROW-9463) - [Go] The writer is double closed in TestReadWrite +* [ARROW-9490](https://issues.apache.org/jira/browse/ARROW-9490) - [Python] pyarrow array creation for specific set of numpy scalars fails +* [ARROW-9495](https://issues.apache.org/jira/browse/ARROW-9495) - [C++] Equality assertions don't handle Inf / -Inf properly +* [ARROW-9520](https://issues.apache.org/jira/browse/ARROW-9520) - [Rust] [DataFusion] Can't alias an aggregate expression +* [ARROW-9528](https://issues.apache.org/jira/browse/ARROW-9528) - [Python] Honor tzinfo information when converting from datetime to pyarrow +* [ARROW-9532](https://issues.apache.org/jira/browse/ARROW-9532) - [Python] Building pyarrow for MacPorts on macOS +* [ARROW-9535](https://issues.apache.org/jira/browse/ARROW-9535) - [Python] Remove symlink fixes from conda recipe +* [ARROW-9536](https://issues.apache.org/jira/browse/ARROW-9536) - Missing parameters in PlasmaOutOfMemoryException.java +* [ARROW-9541](https://issues.apache.org/jira/browse/ARROW-9541) - [C++] CMakeLists requires UTF8PROC\_STATIC when building static library +* [ARROW-9544](https://issues.apache.org/jira/browse/ARROW-9544) - [R] version argument of write\_parquet not working +* [ARROW-9546](https://issues.apache.org/jira/browse/ARROW-9546) - [Python] Clean up Pandas Metadata Conversion test +* [ARROW-9548](https://issues.apache.org/jira/browse/ARROW-9548) - [Go] Test output files in tmp directory are not removed correctly +* [ARROW-9549](https://issues.apache.org/jira/browse/ARROW-9549) - [Rust] Parquet no longer builds +* [ARROW-9554](https://issues.apache.org/jira/browse/ARROW-9554) - [Java] FixedWidthInPlaceVectorSorter sometimes produces wrong result +* [ARROW-9556](https://issues.apache.org/jira/browse/ARROW-9556) - [Python][C++] Segfaults in UnionArray with null values +* [ARROW-9560](https://issues.apache.org/jira/browse/ARROW-9560) - [Packaging] conda recipes failing due to missing conda-forge.yml +* [ARROW-9569](https://issues.apache.org/jira/browse/ARROW-9569) - [CI][R] Fix rtools35 builds for msys2 key change +* [ARROW-9570](https://issues.apache.org/jira/browse/ARROW-9570) - [Doc] Clean up sphinx sidebar +* [ARROW-9573](https://issues.apache.org/jira/browse/ARROW-9573) - [Python] Parquet doesn't load when partitioned column starts with '\_' +* [ARROW-9574](https://issues.apache.org/jira/browse/ARROW-9574) - [R] Cleanups for CRAN 1.0.0 release +* [ARROW-9575](https://issues.apache.org/jira/browse/ARROW-9575) - [R] gcc-UBSAN failure on CRAN +* [ARROW-9577](https://issues.apache.org/jira/browse/ARROW-9577) - [Python][C++] posix\_madvise error on Debian in pyarrow 1.0.0 +* [ARROW-9583](https://issues.apache.org/jira/browse/ARROW-9583) - [Rust] Offset is mishandled in arithmetic and boolean compute kernels +* [ARROW-9588](https://issues.apache.org/jira/browse/ARROW-9588) - [C++] clang/win: Copy constructor of ParquetInvalidOrCorruptedFileException not correctly triggered +* [ARROW-9589](https://issues.apache.org/jira/browse/ARROW-9589) - [C++/R] arrow\_exports.h contains structs declared as class +* [ARROW-9592](https://issues.apache.org/jira/browse/ARROW-9592) - [CI] Update homebrew before calling brew bundle +* [ARROW-9596](https://issues.apache.org/jira/browse/ARROW-9596) - [CI][Crossbow] Fix homebrew-cpp again, again +* [ARROW-9597](https://issues.apache.org/jira/browse/ARROW-9597) - [C++] AddAlias in compute::FunctionRegistry should be synchronized +* [ARROW-9598](https://issues.apache.org/jira/browse/ARROW-9598) - [C++][Parquet] Spaced definition levels is not assigned correctly. +* [ARROW-9599](https://issues.apache.org/jira/browse/ARROW-9599) - [CI] Appveyor toolchain build fails because CMake detects different C and C++ compilers +* [ARROW-9600](https://issues.apache.org/jira/browse/ARROW-9600) - [Rust] When used as a crate dependency, arrow-flight is rebuilt on every invocation of cargo build +* [ARROW-9600](https://issues.apache.org/jira/browse/ARROW-9600) - [Rust] When used as a crate dependency, arrow-flight is rebuilt on every invocation of cargo build +* [ARROW-9602](https://issues.apache.org/jira/browse/ARROW-9602) - [R] Improve cmake detection in Linux build +* [ARROW-9603](https://issues.apache.org/jira/browse/ARROW-9603) - [C++][Parquet] Write Arrow relies on unspecified behavior for nested types +* [ARROW-9606](https://issues.apache.org/jira/browse/ARROW-9606) - [C++][Dataset] in expressions don't work with \>1 partition levels +* [ARROW-9609](https://issues.apache.org/jira/browse/ARROW-9609) - [C++] CSV datasets don't materialize virtual columns +* [ARROW-9621](https://issues.apache.org/jira/browse/ARROW-9621) - [Python] test\_move\_file() is failed with fsspec 0.8.0 +* [ARROW-9622](https://issues.apache.org/jira/browse/ARROW-9622) - [Java] ComplexCopier fails if a structvector has a child UnionVector with nulls +* [ARROW-9628](https://issues.apache.org/jira/browse/ARROW-9628) - [Rust] Clippy PR test failing intermittently on Rust / AMD64 MacOS +* [ARROW-9629](https://issues.apache.org/jira/browse/ARROW-9629) - [Python] Kartothek integration tests failing due to missing freezegun module +* [ARROW-9631](https://issues.apache.org/jira/browse/ARROW-9631) - [Rust] Arrow crate should not depend on flight +* [ARROW-9631](https://issues.apache.org/jira/browse/ARROW-9631) - [Rust] Arrow crate should not depend on flight +* [ARROW-9642](https://issues.apache.org/jira/browse/ARROW-9642) - [C++] Let MakeBuilder refer DictionaryType's index\_type for deciding the starting bit width of the indices +* [ARROW-9643](https://issues.apache.org/jira/browse/ARROW-9643) - [C++] Illegal instruction on haswell cpu +* [ARROW-9644](https://issues.apache.org/jira/browse/ARROW-9644) - [C++][Dataset] Do not check for ignore\_prefixes in the base path +* [ARROW-9652](https://issues.apache.org/jira/browse/ARROW-9652) - [Rust][DataFusion] Panic trying to select \* from a CSV (panicked at 'index out of bounds: the len is 0 but the index is 0) +* [ARROW-9653](https://issues.apache.org/jira/browse/ARROW-9653) - [Rust][DataFusion] Multi-column Group by: Invalid Argument Error +* [ARROW-9659](https://issues.apache.org/jira/browse/ARROW-9659) - [C++] RecordBatchStreamReader throws on CUDA device buffers +* [ARROW-9660](https://issues.apache.org/jira/browse/ARROW-9660) - [C++] IPC - dictionaries in maps +* [ARROW-9666](https://issues.apache.org/jira/browse/ARROW-9666) - [Python][wheel][Windows] library missing failure by ARROW-9412 +* [ARROW-9670](https://issues.apache.org/jira/browse/ARROW-9670) - [C++][FlightRPC] Close()ing a DoPut with an ongoing read locks up the client +* [ARROW-9684](https://issues.apache.org/jira/browse/ARROW-9684) - [C++] Fix undefined behaviour on invalid IPC / Parquet input (OSS-Fuzz) +* [ARROW-9692](https://issues.apache.org/jira/browse/ARROW-9692) - [Python] distutils import warning +* [ARROW-9693](https://issues.apache.org/jira/browse/ARROW-9693) - [CI][Docs] Nightly docs build fails +* [ARROW-9696](https://issues.apache.org/jira/browse/ARROW-9696) - [Rust] [Datafusion] nested binary expressions broken +* [ARROW-9698](https://issues.apache.org/jira/browse/ARROW-9698) - [C++] Revert "Add -NDEBUG flag to arrow.pc" +* [ARROW-9700](https://issues.apache.org/jira/browse/ARROW-9700) - [Python] create\_library\_symlinks doesn't work in macos +* [ARROW-9712](https://issues.apache.org/jira/browse/ARROW-9712) - [Rust] [DataFusion] ParquetScanExec panics on error +* [ARROW-9714](https://issues.apache.org/jira/browse/ARROW-9714) - [Rust] [DataFusion] TypeCoercionRule not implemented for Limit or Sort +* [ARROW-9716](https://issues.apache.org/jira/browse/ARROW-9716) - [Rust] [DataFusion] MergeExec should have concurrency limit +* [ARROW-9726](https://issues.apache.org/jira/browse/ARROW-9726) - [Rust] [DataFusion] ParquetScanExec launches threads too early +* [ARROW-9727](https://issues.apache.org/jira/browse/ARROW-9727) - [C++] Fix crash on invalid IPC input (OSS-Fuzz) +* [ARROW-9729](https://issues.apache.org/jira/browse/ARROW-9729) - [Java] Error Prone causes other annotation processors to not work with Eclipse +* [ARROW-9733](https://issues.apache.org/jira/browse/ARROW-9733) - [Rust][DataFusion] Aggregates COUNT/MIN/MAX don't work on VARCHAR columns +* [ARROW-9734](https://issues.apache.org/jira/browse/ARROW-9734) - [Rust] [DataFusion] TableProvider.scan executing partitions prematurely +* [ARROW-9741](https://issues.apache.org/jira/browse/ARROW-9741) - [Rust] [DataFusion] Incorrect count in TPC-H query 1 result set +* [ARROW-9743](https://issues.apache.org/jira/browse/ARROW-9743) - [R] Sanitize paths in open\_dataset +* [ARROW-9744](https://issues.apache.org/jira/browse/ARROW-9744) - [Python] Failed to install on aarch64 +* [ARROW-9764](https://issues.apache.org/jira/browse/ARROW-9764) - [CI][Java] Push wrong Docker image +* [ARROW-9768](https://issues.apache.org/jira/browse/ARROW-9768) - [Python] Pyarrow allows for unsafe conversions of datetime objects to timestamp nanoseconds +* [ARROW-9768](https://issues.apache.org/jira/browse/ARROW-9768) - [Python] Pyarrow allows for unsafe conversions of datetime objects to timestamp nanoseconds +* [ARROW-9778](https://issues.apache.org/jira/browse/ARROW-9778) - [Rust] [DataFusion] Logical and physical schemas' nullability does not match in 8 out of 20 end-to-end tests +* [ARROW-9783](https://issues.apache.org/jira/browse/ARROW-9783) - [Rust] [DataFusion] Logical aggregate expressions require explicit data type +* [ARROW-9785](https://issues.apache.org/jira/browse/ARROW-9785) - [Python] pyarrow/tests/test\_fs.py::test\_s3\_options too slow +* [ARROW-9789](https://issues.apache.org/jira/browse/ARROW-9789) - [C++] Don't install jemalloc in parallel +* [ARROW-9790](https://issues.apache.org/jira/browse/ARROW-9790) - [Rust] [Parquet] ParquetFileArrowReader fails to decode all pages if batches fall exactly on row group boundaries +* [ARROW-9790](https://issues.apache.org/jira/browse/ARROW-9790) - [Rust] [Parquet] ParquetFileArrowReader fails to decode all pages if batches fall exactly on row group boundaries +* [ARROW-9793](https://issues.apache.org/jira/browse/ARROW-9793) - [Rust] [DataFusion] Tests failing in master +* [ARROW-9797](https://issues.apache.org/jira/browse/ARROW-9797) - [Rust] AMD64 Conda Integration Tests is failing for the Master branch +* [ARROW-9799](https://issues.apache.org/jira/browse/ARROW-9799) - [Rust] [DataFusion] Implementation of physical binary expression get\_type method is incorrect +* [ARROW-9800](https://issues.apache.org/jira/browse/ARROW-9800) - [Rust] [Parquet] "min" and "max" written to standard out when writing columns +* [ARROW-9809](https://issues.apache.org/jira/browse/ARROW-9809) - [Rust] [DataFusion] logical schema = physical schema is not true +* [ARROW-9814](https://issues.apache.org/jira/browse/ARROW-9814) - [Python] Crash in test\_parquet.py::test\_read\_partitioned\_directory\_s3fs +* [ARROW-9815](https://issues.apache.org/jira/browse/ARROW-9815) - [Rust] [DataFusion] Deadlock in creation of physical plan with two udfs +* [ARROW-9815](https://issues.apache.org/jira/browse/ARROW-9815) - [Rust] [DataFusion] Deadlock in creation of physical plan with two udfs +* [ARROW-9815](https://issues.apache.org/jira/browse/ARROW-9815) - [Rust] [DataFusion] Deadlock in creation of physical plan with two udfs +* [ARROW-9816](https://issues.apache.org/jira/browse/ARROW-9816) - [C++] Escape quotes in config.h +* [ARROW-9827](https://issues.apache.org/jira/browse/ARROW-9827) - [Python] pandas.read\_parquet fails for wide parquet files and pyarrow 1.0.X +* [ARROW-9831](https://issues.apache.org/jira/browse/ARROW-9831) - [Rust] [DataFusion] Fix compilation error +* [ARROW-9840](https://issues.apache.org/jira/browse/ARROW-9840) - [Python] Python fs documentation out of date with code +* [ARROW-9846](https://issues.apache.org/jira/browse/ARROW-9846) - [Rust] Master branch broken build +* [ARROW-9851](https://issues.apache.org/jira/browse/ARROW-9851) - [C++] Valgrind errors due to unrecognized instructions +* [ARROW-9852](https://issues.apache.org/jira/browse/ARROW-9852) - [C++] Fix crash on invalid IPC input (OSS-Fuzz) +* [ARROW-9852](https://issues.apache.org/jira/browse/ARROW-9852) - [C++] Fix crash on invalid IPC input (OSS-Fuzz) +* [ARROW-9855](https://issues.apache.org/jira/browse/ARROW-9855) - [R] Fix bad merge/Rcpp conflict +* [ARROW-9859](https://issues.apache.org/jira/browse/ARROW-9859) - [C++] S3 FileSystemFromUri with special char in secret key fails +* [ARROW-9864](https://issues.apache.org/jira/browse/ARROW-9864) - [Python] pathlib.Path not supported in write\_to\_dataset with partition columns +* [ARROW-9874](https://issues.apache.org/jira/browse/ARROW-9874) - [C++] NewStreamWriter / NewFileWriter don't own output stream +* [ARROW-9876](https://issues.apache.org/jira/browse/ARROW-9876) - [CI][C++] Travis ARM jobs timeout +* [ARROW-9877](https://issues.apache.org/jira/browse/ARROW-9877) - [C++][CI] homebrew-cpp fails due to avx512 +* [ARROW-9879](https://issues.apache.org/jira/browse/ARROW-9879) - [Python] ChunkedArray.\_\_getitem\_\_ doesn't work with numpy scalars +* [ARROW-9882](https://issues.apache.org/jira/browse/ARROW-9882) - [C++/Python] Update conda-forge-pinning to 3 for OSX conda packages +* [ARROW-9883](https://issues.apache.org/jira/browse/ARROW-9883) - [R] Fix linuxlibs.R install script for R < 3.6 +* [ARROW-9888](https://issues.apache.org/jira/browse/ARROW-9888) - [Rust] [DataFusion] ExecutionContext can not be shared between threads +* [ARROW-9889](https://issues.apache.org/jira/browse/ARROW-9889) - [Rust][DataFusion] Datafusion CLI: CREATE EXTERNAL TABLE errors with "Unsupported logical plan variant" +* [ARROW-9897](https://issues.apache.org/jira/browse/ARROW-9897) - [C++][Gandiva] Add to\_date() function from pattern +* [ARROW-9906](https://issues.apache.org/jira/browse/ARROW-9906) - [Python] Crash in test\_parquet.py::test\_parquet\_writer\_filesystem\_s3\_uri (closing NativeFile from S3FileSystem) +* [ARROW-9913](https://issues.apache.org/jira/browse/ARROW-9913) - [C++] Outputs of Decimal128::FromString depend on presence of one another +* [ARROW-9920](https://issues.apache.org/jira/browse/ARROW-9920) - [Python] pyarrow.concat\_arrays segfaults when passing it a chunked array +* [ARROW-9922](https://issues.apache.org/jira/browse/ARROW-9922) - [Rust] Add \`try\_from(Vec<Option<(&str, ArrayRef)\>\>)\` to StructArray +* [ARROW-9924](https://issues.apache.org/jira/browse/ARROW-9924) - [Python] Performance regression reading individual Parquet files using Dataset interface +* [ARROW-9931](https://issues.apache.org/jira/browse/ARROW-9931) - [C++] Fix undefined behaviour on invalid IPC (OSS-Fuzz) +* [ARROW-9932](https://issues.apache.org/jira/browse/ARROW-9932) - [R] Arrow 1.0.1 R package fails to install on R3.4 over linux +* [ARROW-9936](https://issues.apache.org/jira/browse/ARROW-9936) - [Python] Fix / test relative file paths in pyarrow.parquet +* [ARROW-9937](https://issues.apache.org/jira/browse/ARROW-9937) - [Rust] [DataFusion] Average is not correct +* [ARROW-9943](https://issues.apache.org/jira/browse/ARROW-9943) - [C++] Arrow metadata not applied recursively when reading Parquet file +* [ARROW-9946](https://issues.apache.org/jira/browse/ARROW-9946) - [R] ParquetFileWriter segfaults when \`sink\` is a string +* [ARROW-9953](https://issues.apache.org/jira/browse/ARROW-9953) - [R] Declare minimum version for bit64 +* [ARROW-9962](https://issues.apache.org/jira/browse/ARROW-9962) - [Python] Conversion to pandas with index column using fixed timezone fails +* [ARROW-9968](https://issues.apache.org/jira/browse/ARROW-9968) - [C++] UBSAN link failure with \_\_int8\_t +* [ARROW-9969](https://issues.apache.org/jira/browse/ARROW-9969) - [C++] RecordBatchBuilder yields invalid result with dictionary fields +* [ARROW-9970](https://issues.apache.org/jira/browse/ARROW-9970) - [Go] checkptr failures in sum methods +* [ARROW-9972](https://issues.apache.org/jira/browse/ARROW-9972) - [CI] Work around grpc-re2 clash on Homebrew +* [ARROW-9973](https://issues.apache.org/jira/browse/ARROW-9973) - [Java] JDBC DateConsumer does not allow dates before epoch +* [ARROW-9976](https://issues.apache.org/jira/browse/ARROW-9976) - [Python] ArrowCapacityError when doing Table.from\_pandas with large dataframe +* [ARROW-9990](https://issues.apache.org/jira/browse/ARROW-9990) - [Rust] [DataFusion] NOT is not plannable +* [ARROW-9993](https://issues.apache.org/jira/browse/ARROW-9993) - [Python] Tzinfo - string roundtrip fails on pytz.StaticTzInfo objects +* [ARROW-9994](https://issues.apache.org/jira/browse/ARROW-9994) - [C++][Python] Auto chunking nested array containing binary-like fields result malformed output +* [ARROW-9996](https://issues.apache.org/jira/browse/ARROW-9996) - [C++] Dictionary is unset when calling DictionaryArray.GetScalar for null values +* [ARROW-10003](https://issues.apache.org/jira/browse/ARROW-10003) - [C++] Create directories in CopyFiles when copying within the same filesystem +* [ARROW-10008](https://issues.apache.org/jira/browse/ARROW-10008) - [Python] pyarrow.parquet.read\_table fails with predicate pushdown on categorical data with use\_legacy\_dataset=False +* [ARROW-10011](https://issues.apache.org/jira/browse/ARROW-10011) - [C++] Make FindRE2.cmake re-entrant +* [ARROW-10012](https://issues.apache.org/jira/browse/ARROW-10012) - [C++] Sporadic failures in CopyFiles test +* [ARROW-10013](https://issues.apache.org/jira/browse/ARROW-10013) - [C++][CI] Flight test failure in TestFlightClient.GenericOptions +* [ARROW-10017](https://issues.apache.org/jira/browse/ARROW-10017) - [Java] LargeMemoryUtil.checkedCastToInt has buggy logic +* [ARROW-10022](https://issues.apache.org/jira/browse/ARROW-10022) - [C++] [Compute] core dumped on some scalar-arithmetic-benchmark +* [ARROW-10027](https://issues.apache.org/jira/browse/ARROW-10027) - [Python] Incorrect null column returned when using a dataset filter expression. +* [ARROW-10034](https://issues.apache.org/jira/browse/ARROW-10034) - [Rust] Master build broken +* [ARROW-10041](https://issues.apache.org/jira/browse/ARROW-10041) - [Rust] Possible to create LargeStringArray with DataType::Utf8 +* [ARROW-10047](https://issues.apache.org/jira/browse/ARROW-10047) - [CI] Conda integration tests failing with cmake error +* [ARROW-10048](https://issues.apache.org/jira/browse/ARROW-10048) - [Rust] Error in aggregate of min/max for strings +* [ARROW-10049](https://issues.apache.org/jira/browse/ARROW-10049) - [C++/Python] Sync conda recipe with conda-forge +* [ARROW-10060](https://issues.apache.org/jira/browse/ARROW-10060) - [Rust] [DataFusion] MergeExec currently discards partitions with errors +* [ARROW-10062](https://issues.apache.org/jira/browse/ARROW-10062) - [Rust]: Fix for null elems for DoubleEndedIter for DictArray +* [ARROW-10073](https://issues.apache.org/jira/browse/ARROW-10073) - [Python] Test test\_parquet\_nested\_storage relies on dict item ordering +* [ARROW-10081](https://issues.apache.org/jira/browse/ARROW-10081) - [C++/Python] Fix bash syntax in drone.io conda builds +* [ARROW-10085](https://issues.apache.org/jira/browse/ARROW-10085) - [C++] S3 tests fail on AppVeyor +* [ARROW-10087](https://issues.apache.org/jira/browse/ARROW-10087) - [CI] Fix nightly docs job +* [ARROW-10098](https://issues.apache.org/jira/browse/ARROW-10098) - [R][Doc] Fix copy\_files doc mismatch +* [ARROW-10104](https://issues.apache.org/jira/browse/ARROW-10104) - [Python] Separate tests into its own conda package +* [ARROW-10114](https://issues.apache.org/jira/browse/ARROW-10114) - [R] Segfault in to\_dataframe\_parallel with deeply nested structs +* [ARROW-10116](https://issues.apache.org/jira/browse/ARROW-10116) - [Python][Packaging] Fix gRPC linking error in macOS wheels builds +* [ARROW-10119](https://issues.apache.org/jira/browse/ARROW-10119) - [C++] Fix Parquet crashes on invalid input (OSS-Fuzz) +* [ARROW-10121](https://issues.apache.org/jira/browse/ARROW-10121) - [C++][Python] Variable dictionaries do not survive roundtrip to IPC stream +* [ARROW-10124](https://issues.apache.org/jira/browse/ARROW-10124) - [R] Write functions don't follow umask setting +* [ARROW-10125](https://issues.apache.org/jira/browse/ARROW-10125) - [R] Int64 downcast check doesn't consider all chunks +* [ARROW-10130](https://issues.apache.org/jira/browse/ARROW-10130) - [C++][Dataset] ParquetFileFragment::SplitByRowGroup does not preserve "complete\_metadata" status +* [ARROW-10136](https://issues.apache.org/jira/browse/ARROW-10136) - [Rust][Arrow] Nulls are transformed into "" after filtering for StringArray +* [ARROW-10137](https://issues.apache.org/jira/browse/ARROW-10137) - [R] Fix cpp helper that breaks if libarrow is not present +* [ARROW-10147](https://issues.apache.org/jira/browse/ARROW-10147) - [Python] Constructing pandas metadata fails if an Index name is not JSON-serializable by default +* [ARROW-10150](https://issues.apache.org/jira/browse/ARROW-10150) - [C++] Fix crashes on invalid Parquet file (OSS-Fuzz) +* [ARROW-10169](https://issues.apache.org/jira/browse/ARROW-10169) - [Rust] Nulls should be rendered as "" rather than default value when pretty printing arrays +* [ARROW-10175](https://issues.apache.org/jira/browse/ARROW-10175) - [CI] Nightly hdfs integration test job fails +* [ARROW-10176](https://issues.apache.org/jira/browse/ARROW-10176) - [CI] Nightly valgrind job fails +* [ARROW-10178](https://issues.apache.org/jira/browse/ARROW-10178) - [CI] Fix spark master integration test build setup +* [ARROW-10179](https://issues.apache.org/jira/browse/ARROW-10179) - [Rust] Labeler is not labeling +* [ARROW-10181](https://issues.apache.org/jira/browse/ARROW-10181) - [Rust] Arrow tests fail to compile on Raspberry Pi (32 bit) +* [ARROW-10188](https://issues.apache.org/jira/browse/ARROW-10188) - [Rust] [DataFusion] Some examples are broken +* [ARROW-10189](https://issues.apache.org/jira/browse/ARROW-10189) - [Doc] C data interface example for i32 uses \`l\`, not \`i\`, in the format +* [ARROW-10192](https://issues.apache.org/jira/browse/ARROW-10192) - [C++][Python] Segfault when converting nested struct array with dictionary field to pandas series +* [ARROW-10193](https://issues.apache.org/jira/browse/ARROW-10193) - [Python] Segfault when converting to fixed size binary array +* [ARROW-10200](https://issues.apache.org/jira/browse/ARROW-10200) - [Java][CI] Fix failure of Java CI on s390x +* [ARROW-10204](https://issues.apache.org/jira/browse/ARROW-10204) - [RUST] [Datafusion] Test failure in aggregate\_grouped\_empty with simd feature enabled +* [ARROW-10214](https://issues.apache.org/jira/browse/ARROW-10214) - [Python] UnicodeDecodeError when printing schema with binary metadata +* [ARROW-10226](https://issues.apache.org/jira/browse/ARROW-10226) - [Rust] [Parquet] Parquet reader reading wrong columns in some batches within a parquet file +* [ARROW-10230](https://issues.apache.org/jira/browse/ARROW-10230) - [JS][Doc] JavaScript documentation fails to build +* [ARROW-10232](https://issues.apache.org/jira/browse/ARROW-10232) - FixedSizeListArray is incorrectly written/read to/from parquet +* [ARROW-10234](https://issues.apache.org/jira/browse/ARROW-10234) - [C++][Gandiva] Fix logic of round() for floats/decimals in Gandiva +* [ARROW-10237](https://issues.apache.org/jira/browse/ARROW-10237) - [C++] Duplicate values in a dictionary result in corrupted parquet +* [ARROW-10238](https://issues.apache.org/jira/browse/ARROW-10238) - [C\#] List<Struct\> is broken +* [ARROW-10239](https://issues.apache.org/jira/browse/ARROW-10239) - [C++] aws-sdk-cpp apparently requires zlib too +* [ARROW-10244](https://issues.apache.org/jira/browse/ARROW-10244) - [Python][Docs] Add docs on using pyarrow.dataset.parquet\_dataset +* [ARROW-10248](https://issues.apache.org/jira/browse/ARROW-10248) - [C++][Dataset] Dataset writing does not write schema metadata +* [ARROW-10262](https://issues.apache.org/jira/browse/ARROW-10262) - [C++] Some TypeClass in Scalar classes seem incorrect +* [ARROW-10271](https://issues.apache.org/jira/browse/ARROW-10271) - [Rust] packed\_simd is broken and continued under a new project +* [ARROW-10279](https://issues.apache.org/jira/browse/ARROW-10279) - [Release][Python] Fix verification script to align with the new macos wheel platform tags +* [ARROW-10280](https://issues.apache.org/jira/browse/ARROW-10280) - [Packaging][Python] Fix macOS wheel artifact patterns +* [ARROW-10281](https://issues.apache.org/jira/browse/ARROW-10281) - [Python] Fix warnings when running tests +* [ARROW-10284](https://issues.apache.org/jira/browse/ARROW-10284) - [Python] Pyarrow is raising deprecation warning about filesystems on import +* [ARROW-10285](https://issues.apache.org/jira/browse/ARROW-10285) - [Python] pyarrow.orc submodule is using deprecated functionality +* [ARROW-10286](https://issues.apache.org/jira/browse/ARROW-10286) - [C++][Flight] Misleading CMake errors +* [ARROW-10288](https://issues.apache.org/jira/browse/ARROW-10288) - [C++] Compilation fails on i386 +* [ARROW-10290](https://issues.apache.org/jira/browse/ARROW-10290) - [C++] List POP\_BACK is not available in older CMake versions + + +## New Features and Improvements + +* [ARROW-983](https://issues.apache.org/jira/browse/ARROW-983) - [C++] Implement InputStream and OutputStream classes for interacting with socket connections +* [ARROW-1105](https://issues.apache.org/jira/browse/ARROW-1105) - [C++] SQLite record batch reader +* [ARROW-1509](https://issues.apache.org/jira/browse/ARROW-1509) - [Python] Write serialized object as a stream of encapsulated IPC messages +* [ARROW-1669](https://issues.apache.org/jira/browse/ARROW-1669) - [C++] Consider adding Abseil (Google C++11 standard library extensions) to toolchain +* [ARROW-1797](https://issues.apache.org/jira/browse/ARROW-1797) - [C++] Implement binary arithmetic kernels for numeric arrays +* [ARROW-2164](https://issues.apache.org/jira/browse/ARROW-2164) - [C++] Clean up unnecessary decimal module refs +* [ARROW-3080](https://issues.apache.org/jira/browse/ARROW-3080) - [Python] Unify Arrow to Python object conversion paths +* [ARROW-3757](https://issues.apache.org/jira/browse/ARROW-3757) - [R] R bindings for Flight RPC client +* [ARROW-3872](https://issues.apache.org/jira/browse/ARROW-3872) - [R] Add ad hoc test of feather compatibility +* [ARROW-4046](https://issues.apache.org/jira/browse/ARROW-4046) - [Python/CI] Exercise large memory tests +* [ARROW-4248](https://issues.apache.org/jira/browse/ARROW-4248) - [C++][Plasma] Build on Windows / Visual Studio +* [ARROW-4685](https://issues.apache.org/jira/browse/ARROW-4685) - [C++] Update Boost to 1.69 in manylinux1 docker image +* [ARROW-4927](https://issues.apache.org/jira/browse/ARROW-4927) - [Rust] Update top level README to describe current functionality +* [ARROW-4957](https://issues.apache.org/jira/browse/ARROW-4957) - [Rust] [DataFusion] Implement get\_supertype correctly +* [ARROW-4965](https://issues.apache.org/jira/browse/ARROW-4965) - [Python] Timestamp array type detection should use tzname of datetime.datetime objects +* [ARROW-5034](https://issues.apache.org/jira/browse/ARROW-5034) - [C\#] ArrowStreamWriter should expose synchronous Write methods +* [ARROW-5123](https://issues.apache.org/jira/browse/ARROW-5123) - [Rust] derive RecordWriter from struct definitions +* [ARROW-6075](https://issues.apache.org/jira/browse/ARROW-6075) - [FlightRPC] Handle uncaught exceptions in middleware +* [ARROW-6281](https://issues.apache.org/jira/browse/ARROW-6281) - [Python] Produce chunked arrays for nested types in pyarrow.array +* [ARROW-6282](https://issues.apache.org/jira/browse/ARROW-6282) - [Format] Support lossy compression +* [ARROW-6437](https://issues.apache.org/jira/browse/ARROW-6437) - [R] Add AWS SDK to system dependencies for macOS and Windows +* [ARROW-6535](https://issues.apache.org/jira/browse/ARROW-6535) - [C++] Status::WithMessage should accept variadic parameters +* [ARROW-6537](https://issues.apache.org/jira/browse/ARROW-6537) - [R] Pass column\_types to CSV reader +* [ARROW-6972](https://issues.apache.org/jira/browse/ARROW-6972) - [C\#] Should support StructField arrays +* [ARROW-6982](https://issues.apache.org/jira/browse/ARROW-6982) - [R] Add bindings for compare and boolean kernels +* [ARROW-7136](https://issues.apache.org/jira/browse/ARROW-7136) - [Rust][CI] Pre-install the rust dependencies in the dockerfile +* [ARROW-7218](https://issues.apache.org/jira/browse/ARROW-7218) - [Python] Conversion from boolean numpy scalars not working +* [ARROW-7302](https://issues.apache.org/jira/browse/ARROW-7302) - [C++] CSV: allow converting a column to a specific dictionary type +* [ARROW-7372](https://issues.apache.org/jira/browse/ARROW-7372) - [C++] Allow creating dictionary array from simple JSON +* [ARROW-7871](https://issues.apache.org/jira/browse/ARROW-7871) - [Python] Expose more compute kernels +* [ARROW-7960](https://issues.apache.org/jira/browse/ARROW-7960) - [C++][Parquet] Add support for schema translation from parquet nodes back to arrow for missing types +* [ARROW-8001](https://issues.apache.org/jira/browse/ARROW-8001) - [R][Dataset] Bindings for dataset writing +* [ARROW-8002](https://issues.apache.org/jira/browse/ARROW-8002) - [C++][Dataset] Dataset writing should let you (re)partition the data +* [ARROW-8048](https://issues.apache.org/jira/browse/ARROW-8048) - [Python] Run memory leak tests nightly as follow up to ARROW-4120 +* [ARROW-8172](https://issues.apache.org/jira/browse/ARROW-8172) - [C++] ArrayFromJSON for dictionary arrays +* [ARROW-8205](https://issues.apache.org/jira/browse/ARROW-8205) - [Rust] [DataFusion] DataFusion should enforce unique field names in a schema +* [ARROW-8253](https://issues.apache.org/jira/browse/ARROW-8253) - [Rust] [DataFusion] Improve ergonomics of registering UDFs +* [ARROW-8262](https://issues.apache.org/jira/browse/ARROW-8262) - [Rust] [DataFusion] Add example that uses LogicalPlanBuilder +* [ARROW-8289](https://issues.apache.org/jira/browse/ARROW-8289) - [Rust] [Parquet] Implement minimal Arrow Parquet writer as starting point for full writer +* [ARROW-8296](https://issues.apache.org/jira/browse/ARROW-8296) - [C++][Dataset] IpcFileFormat should support writing files with compressed buffers +* [ARROW-8355](https://issues.apache.org/jira/browse/ARROW-8355) - [Python] Reduce the number of pandas dependent test cases in test\_feather +* [ARROW-8359](https://issues.apache.org/jira/browse/ARROW-8359) - [C++/Python] Enable aarch64/ppc64le build in conda recipes +* [ARROW-8383](https://issues.apache.org/jira/browse/ARROW-8383) - [Rust] Easier random access to DictionaryArray keys and values +* [ARROW-8402](https://issues.apache.org/jira/browse/ARROW-8402) - [Java] Support ValidateFull methods in Java +* [ARROW-8423](https://issues.apache.org/jira/browse/ARROW-8423) - [Rust] [Parquet] Serialize arrow schema into metadata when writing parquet +* [ARROW-8426](https://issues.apache.org/jira/browse/ARROW-8426) - [Rust] [Parquet] Add support for writing dictionary types +* [ARROW-8493](https://issues.apache.org/jira/browse/ARROW-8493) - [C++] Create unified schema resolution code for Array reconstruction. +* [ARROW-8494](https://issues.apache.org/jira/browse/ARROW-8494) - [C++] Implement basic array-by-array reassembly logic +* [ARROW-8581](https://issues.apache.org/jira/browse/ARROW-8581) - [C\#] Date32/64Array.Builder should accept DateTime, not DateTimeOffset +* [ARROW-8601](https://issues.apache.org/jira/browse/ARROW-8601) - [Go][Flight] Implement Flight Writer interface +* [ARROW-8601](https://issues.apache.org/jira/browse/ARROW-8601) - [Go][Flight] Implement Flight Writer interface +* [ARROW-8618](https://issues.apache.org/jira/browse/ARROW-8618) - [C++] ASSIGN\_OR\_RAISE should move its argument +* [ARROW-8678](https://issues.apache.org/jira/browse/ARROW-8678) - [C++][Parquet] Remove legacy arrow to level translation. +* [ARROW-8712](https://issues.apache.org/jira/browse/ARROW-8712) - [R] Expose strptime timestamp parsing in read\_csv conversion options +* [ARROW-8774](https://issues.apache.org/jira/browse/ARROW-8774) - [Rust] [DataFusion] Improve threading model +* [ARROW-8810](https://issues.apache.org/jira/browse/ARROW-8810) - [R] Add documentation about Parquet format, appending to stream format +* [ARROW-8824](https://issues.apache.org/jira/browse/ARROW-8824) - [Rust] [DataFusion] Implement new SQL parser +* [ARROW-8828](https://issues.apache.org/jira/browse/ARROW-8828) - [Rust] Implement SQL tokenizer +* [ARROW-8829](https://issues.apache.org/jira/browse/ARROW-8829) - [Rust] Implement SQL parser +* [ARROW-9010](https://issues.apache.org/jira/browse/ARROW-9010) - [Java] Framework and interface changes for RecordBatch IPC buffer compression +* [ARROW-9065](https://issues.apache.org/jira/browse/ARROW-9065) - [C++] Support parsing date32 in dataset partition folders +* [ARROW-9068](https://issues.apache.org/jira/browse/ARROW-9068) - [C++][Dataset] Simplify Partitioning interface +* [ARROW-9078](https://issues.apache.org/jira/browse/ARROW-9078) - [C++] Parquet writing of extension type with nested storage type fails +* [ARROW-9104](https://issues.apache.org/jira/browse/ARROW-9104) - [C++] Parquet encryption tests should write files to a temporary directory instead of the testing submodule's directory +* [ARROW-9107](https://issues.apache.org/jira/browse/ARROW-9107) - [C++][Dataset] Time-based types support +* [ARROW-9147](https://issues.apache.org/jira/browse/ARROW-9147) - [C++][Dataset] Support null -\> other type promotion in Dataset scanning +* [ARROW-9205](https://issues.apache.org/jira/browse/ARROW-9205) - [Documentation] Fix typos in Columnar.rst +* [ARROW-9266](https://issues.apache.org/jira/browse/ARROW-9266) - [Python][Packaging] Enable S3 support in macOS wheels +* [ARROW-9271](https://issues.apache.org/jira/browse/ARROW-9271) - [R] Preserve data frame metadata in round trip +* [ARROW-9286](https://issues.apache.org/jira/browse/ARROW-9286) - [C++] Add function "aliases" to compute::FunctionRegistry +* [ARROW-9328](https://issues.apache.org/jira/browse/ARROW-9328) - [C++][Gandiva] Add LTRIM, RTRIM, BTRIM functions for string +* [ARROW-9338](https://issues.apache.org/jira/browse/ARROW-9338) - [Rust] Add instructions for running clippy locally +* [ARROW-9344](https://issues.apache.org/jira/browse/ARROW-9344) - [C++][Flight] measure latency quantile in flight benchmark +* [ARROW-9358](https://issues.apache.org/jira/browse/ARROW-9358) - [Integration] Reconsider generated\_large\_batch.json +* [ARROW-9371](https://issues.apache.org/jira/browse/ARROW-9371) - [Java] Run vector tests for both allocators +* [ARROW-9377](https://issues.apache.org/jira/browse/ARROW-9377) - [Java] Support unsigned dictionary indices +* [ARROW-9387](https://issues.apache.org/jira/browse/ARROW-9387) - [R] Use new C++ table select method +* [ARROW-9388](https://issues.apache.org/jira/browse/ARROW-9388) - [C++] Division kernels +* [ARROW-9394](https://issues.apache.org/jira/browse/ARROW-9394) - [Python] Support pickling of Scalars +* [ARROW-9398](https://issues.apache.org/jira/browse/ARROW-9398) - [C++] Register the SIMD sum variants under function instance instead a SIMD function +* [ARROW-9402](https://issues.apache.org/jira/browse/ARROW-9402) - [C++] Add portable wrappers for \_\_builtin\_add\_overflow and friends +* [ARROW-9405](https://issues.apache.org/jira/browse/ARROW-9405) - [R] Switch to cpp11 +* [ARROW-9412](https://issues.apache.org/jira/browse/ARROW-9412) - [C++] Add non-BUNDLED dependencies to exported INSTALL\_INTERFACE\_LIBS of arrow\_static and test that it works +* [ARROW-9429](https://issues.apache.org/jira/browse/ARROW-9429) - [Python] ChunkedArray.to\_numpy +* [ARROW-9454](https://issues.apache.org/jira/browse/ARROW-9454) - [GLib] Add binding of some dictionary builders +* [ARROW-9465](https://issues.apache.org/jira/browse/ARROW-9465) - [Python] Improve ergonomics of compute functions +* [ARROW-9469](https://issues.apache.org/jira/browse/ARROW-9469) - [Python] Make more objects weakrefable +* [ARROW-9487](https://issues.apache.org/jira/browse/ARROW-9487) - [Developer] Cover the archery release utilities with unittests +* [ARROW-9488](https://issues.apache.org/jira/browse/ARROW-9488) - [Release] Use the new changelog generation when updating the website +* [ARROW-9507](https://issues.apache.org/jira/browse/ARROW-9507) - [Rust] [DataFusion] PhysicalExpr should implement Display trait +* [ARROW-9508](https://issues.apache.org/jira/browse/ARROW-9508) - [Release][APT][Yum] Enable verification for arm64 binaries +* [ARROW-9516](https://issues.apache.org/jira/browse/ARROW-9516) - [Rust][DataFusion] Refactor physical expressions to not care about their names nor indexes +* [ARROW-9517](https://issues.apache.org/jira/browse/ARROW-9517) - [C++][Python] Allow session\_token argument when initializing S3FileSystem +* [ARROW-9518](https://issues.apache.org/jira/browse/ARROW-9518) - [Python] Deprecate pyarrow serialization +* [ARROW-9521](https://issues.apache.org/jira/browse/ARROW-9521) - [Rust] CsvReadOptions should allow file extension to be specified +* [ARROW-9523](https://issues.apache.org/jira/browse/ARROW-9523) - [Rust] improve performance of filter kernel +* [ARROW-9534](https://issues.apache.org/jira/browse/ARROW-9534) - [Rust] [DataFusion] Implement functions for creating literal expressions for all types +* [ARROW-9550](https://issues.apache.org/jira/browse/ARROW-9550) - [Rust] [DataFusion] Remove Rc<RefCell<\_\>\> from hash aggregate operator +* [ARROW-9553](https://issues.apache.org/jira/browse/ARROW-9553) - [Rust] Release script doesn't bump parquet crate's arrow dependency version +* [ARROW-9557](https://issues.apache.org/jira/browse/ARROW-9557) - [R] Iterating over parquet columns is slow in R +* [ARROW-9559](https://issues.apache.org/jira/browse/ARROW-9559) - [Rust] [DataFusion] Revert privatization of exprlist\_to\_fields +* [ARROW-9563](https://issues.apache.org/jira/browse/ARROW-9563) - [Dev][Release] Use archery's changelog generator when creating release notes for the website +* [ARROW-9568](https://issues.apache.org/jira/browse/ARROW-9568) - [CI] Use official msys action on GHA +* [ARROW-9576](https://issues.apache.org/jira/browse/ARROW-9576) - [Python][Doc] Fix error in code example for extension types +* [ARROW-9580](https://issues.apache.org/jira/browse/ARROW-9580) - [JS] Docs have superfluous () +* [ARROW-9581](https://issues.apache.org/jira/browse/ARROW-9581) - [Dev][Release] Bump next snapshot versions to 2.0.0 +* [ARROW-9582](https://issues.apache.org/jira/browse/ARROW-9582) - [Rust] Implement Array::memory\_size() +* [ARROW-9585](https://issues.apache.org/jira/browse/ARROW-9585) - [Rust] Remove duplicated to-do line in DataFusion readme +* [ARROW-9587](https://issues.apache.org/jira/browse/ARROW-9587) - [FlightRPC][Java] Clean up DoPut/FlightStream memory handling +* [ARROW-9593](https://issues.apache.org/jira/browse/ARROW-9593) - [Python] Add custom pickle reducers for DictionaryScalar +* [ARROW-9604](https://issues.apache.org/jira/browse/ARROW-9604) - [C++] Add benchmark for aggregate min/max compute kernels +* [ARROW-9605](https://issues.apache.org/jira/browse/ARROW-9605) - [C++] Optimize performance for aggregate min/max compute kernels +* [ARROW-9607](https://issues.apache.org/jira/browse/ARROW-9607) - [C++][Gandiva] Add bitwise\_and(), bitwise\_or() and bitwise\_not() functions for integers +* [ARROW-9608](https://issues.apache.org/jira/browse/ARROW-9608) - [Rust] Remove arrow flight from parquet's feature gating +* [ARROW-9615](https://issues.apache.org/jira/browse/ARROW-9615) - [Rust] Add kernel to compute length of string array +* [ARROW-9617](https://issues.apache.org/jira/browse/ARROW-9617) - [Rust] [DataFusion] Add length of string array +* [ARROW-9618](https://issues.apache.org/jira/browse/ARROW-9618) - [Rust] [DataFusion] Make it easier to write optimizers +* [ARROW-9619](https://issues.apache.org/jira/browse/ARROW-9619) - [Rust] [DataFusion] Add predicate push-down +* [ARROW-9632](https://issues.apache.org/jira/browse/ARROW-9632) - [Rust] Add a "new" method for ExecutionContextSchemaProvider +* [ARROW-9638](https://issues.apache.org/jira/browse/ARROW-9638) - [C++][Compute] Implement mode(most frequent number) kernel +* [ARROW-9639](https://issues.apache.org/jira/browse/ARROW-9639) - [Ruby] Add dependency version check +* [ARROW-9640](https://issues.apache.org/jira/browse/ARROW-9640) - [C++][Gandiva] Implement round() for integers and long integers +* [ARROW-9641](https://issues.apache.org/jira/browse/ARROW-9641) - [C++][Gandiva] Implement round() for floating point and double floating point numbers +* [ARROW-9645](https://issues.apache.org/jira/browse/ARROW-9645) - [Python] Deprecate the legacy pyarrow.filesystem interface +* [ARROW-9646](https://issues.apache.org/jira/browse/ARROW-9646) - [C++][Dataset] Add support for writing parquet datasets +* [ARROW-9650](https://issues.apache.org/jira/browse/ARROW-9650) - [Packaging][APT] Drop support for Ubuntu 19.10 +* [ARROW-9654](https://issues.apache.org/jira/browse/ARROW-9654) - [Rust][DataFusion] Add an EXPLAIN command to the datafusion CLI +* [ARROW-9656](https://issues.apache.org/jira/browse/ARROW-9656) - [Rust][DataFusion] Slightly confusing error message when unsupported type is provided to CREATE EXTERNAL TABLE +* [ARROW-9658](https://issues.apache.org/jira/browse/ARROW-9658) - [Python][Dataset] Bindings for dataset writing +* [ARROW-9665](https://issues.apache.org/jira/browse/ARROW-9665) - [R] head/tail/take for Datasets +* [ARROW-9667](https://issues.apache.org/jira/browse/ARROW-9667) - [CI][Crossbow] Segfault in 2 nightly R builds +* [ARROW-9671](https://issues.apache.org/jira/browse/ARROW-9671) - [C++] BasicDecimal128 constructor interprets uint64\_t integers with highest bit set as negative +* [ARROW-9673](https://issues.apache.org/jira/browse/ARROW-9673) - [Rust] Add a param "dialect" for DFParser::parse\_sql +* [ARROW-9678](https://issues.apache.org/jira/browse/ARROW-9678) - [Rust] [DataFusion] Improve projection push down to remove unused columns +* [ARROW-9679](https://issues.apache.org/jira/browse/ARROW-9679) - [Rust] [DataFusion] HashAggregate walks map many times building final batch +* [ARROW-9681](https://issues.apache.org/jira/browse/ARROW-9681) - [Java] Failed Arrow Memory - Core on big-endian platform +* [ARROW-9683](https://issues.apache.org/jira/browse/ARROW-9683) - [Rust][DataFusion] Implement Debug for ExecutionPlan trait +* [ARROW-9691](https://issues.apache.org/jira/browse/ARROW-9691) - [Rust] [DataFusion] Make sql\_statement\_to\_plan public +* [ARROW-9695](https://issues.apache.org/jira/browse/ARROW-9695) - [Rust][DataFusion] Improve documentation on LogicalPlan variants +* [ARROW-9699](https://issues.apache.org/jira/browse/ARROW-9699) - [C++][Compute] Improve mode kernel performance for small integer types +* [ARROW-9701](https://issues.apache.org/jira/browse/ARROW-9701) - [Java][CI] Add a test job on s390x +* [ARROW-9702](https://issues.apache.org/jira/browse/ARROW-9702) - [C++] Move bpacking simd to runtime path +* [ARROW-9703](https://issues.apache.org/jira/browse/ARROW-9703) - [Developer][Archery] Restartable cherry-picking process for creating maintenance branches +* [ARROW-9706](https://issues.apache.org/jira/browse/ARROW-9706) - [Java] Tests in TestLargeListVector fails on big endian platform +* [ARROW-9710](https://issues.apache.org/jira/browse/ARROW-9710) - [C++] Generalize Decimal ToString in preparation for Decimal256 +* [ARROW-9711](https://issues.apache.org/jira/browse/ARROW-9711) - [Rust] Add benchmark based on TPC-H +* [ARROW-9713](https://issues.apache.org/jira/browse/ARROW-9713) - [Rust][DataFusion] Remove explicit panics +* [ARROW-9715](https://issues.apache.org/jira/browse/ARROW-9715) - [R] changelog/doc updates for 1.0.1 +* [ARROW-9718](https://issues.apache.org/jira/browse/ARROW-9718) - [Python] Make pyarrow.parquet work with the new filesystem interfaces +* [ARROW-9721](https://issues.apache.org/jira/browse/ARROW-9721) - [Packaging][Python] Update wheel dependency files +* [ARROW-9722](https://issues.apache.org/jira/browse/ARROW-9722) - [Rust]: Shorten key lifetime for reverse lookup for dictionary arrays +* [ARROW-9723](https://issues.apache.org/jira/browse/ARROW-9723) - [C++] Expected behaviour of "mode" kernel with NaNs ? +* [ARROW-9725](https://issues.apache.org/jira/browse/ARROW-9725) - [Rust] [DataFusion] LimitExec and SortExec should use MergeExec +* [ARROW-9737](https://issues.apache.org/jira/browse/ARROW-9737) - [C++][Gandiva] Add bitwise\_xor() for integers +* [ARROW-9739](https://issues.apache.org/jira/browse/ARROW-9739) - [CI][Ruby] Don't install gem documents +* [ARROW-9742](https://issues.apache.org/jira/browse/ARROW-9742) - [Rust] Create one standard DataFrame API +* [ARROW-9751](https://issues.apache.org/jira/browse/ARROW-9751) - [Rust] [DataFusion] Extend UDFs to accept more than one type per argument +* [ARROW-9752](https://issues.apache.org/jira/browse/ARROW-9752) - [Rust] [DataFusion] Add support for Aggregate UDFs +* [ARROW-9753](https://issues.apache.org/jira/browse/ARROW-9753) - [Rust] [DataFusion] Remove the use of Mutex in ExecutionPlan trait +* [ARROW-9754](https://issues.apache.org/jira/browse/ARROW-9754) - [Rust] [DataFusion] Implement async in DataFusion traits +* [ARROW-9757](https://issues.apache.org/jira/browse/ARROW-9757) - [Rust] [DataFusion] Use "pub use" to expose a clean public API +* [ARROW-9758](https://issues.apache.org/jira/browse/ARROW-9758) - [Rust] [DataFusion] Implement extension API for DataFusion +* [ARROW-9759](https://issues.apache.org/jira/browse/ARROW-9759) - [Rust] [DataFusion] Implement DataFrame::sort +* [ARROW-9760](https://issues.apache.org/jira/browse/ARROW-9760) - [Rust] [DataFusion] Implement DataFrame::explain +* [ARROW-9761](https://issues.apache.org/jira/browse/ARROW-9761) - [C++] Add experimental pull-based iterator structures to C interface implementation +* [ARROW-9762](https://issues.apache.org/jira/browse/ARROW-9762) - [Rust] [DataFusion] ExecutionContext::sql should return DataFrame +* [ARROW-9769](https://issues.apache.org/jira/browse/ARROW-9769) - [Python] Remove skip for in-memory fsspec in test\_move\_file +* [ARROW-9775](https://issues.apache.org/jira/browse/ARROW-9775) - [C++] Automatic S3 region selection +* [ARROW-9781](https://issues.apache.org/jira/browse/ARROW-9781) - [C++] Fix uninitialized value warnings +* [ARROW-9782](https://issues.apache.org/jira/browse/ARROW-9782) - [C++][Dataset] Ability to write ".feather" files with IpcFileFormat +* [ARROW-9784](https://issues.apache.org/jira/browse/ARROW-9784) - [Rust] [DataFusion] Improve instructions for running tpch benchmark +* [ARROW-9786](https://issues.apache.org/jira/browse/ARROW-9786) - [R] Unvendor cpp11 before release +* [ARROW-9788](https://issues.apache.org/jira/browse/ARROW-9788) - Handle naming inconsistencies between SQL, DataFrame API and struct names +* [ARROW-9792](https://issues.apache.org/jira/browse/ARROW-9792) - [Rust] [DataFusion] Logical aggregate functions should not return Result +* [ARROW-9794](https://issues.apache.org/jira/browse/ARROW-9794) - [C++] Add functionality to cpu\_info to discriminate between Intel vs AMD x86 +* [ARROW-9795](https://issues.apache.org/jira/browse/ARROW-9795) - [C++][Gandiva] Implement castTIMESTAMP(int64) in Gandiva +* [ARROW-9806](https://issues.apache.org/jira/browse/ARROW-9806) - [R] More compute kernel bindings +* [ARROW-9807](https://issues.apache.org/jira/browse/ARROW-9807) - [R] News update/version bump post-1.0.1 +* [ARROW-9808](https://issues.apache.org/jira/browse/ARROW-9808) - [Python] parquet.read\_table docstring wrong use\_legacy\_dataset explanation +* [ARROW-9811](https://issues.apache.org/jira/browse/ARROW-9811) - [C++] Unchecked floating point division by 0 should succeed +* [ARROW-9813](https://issues.apache.org/jira/browse/ARROW-9813) - [C++] Disable semantic interposition +* [ARROW-9819](https://issues.apache.org/jira/browse/ARROW-9819) - [C++] Bump mimalloc to 1.6.4 +* [ARROW-9821](https://issues.apache.org/jira/browse/ARROW-9821) - [Rust][DataFusion] User Defined PlanNode / Operator API +* [ARROW-9821](https://issues.apache.org/jira/browse/ARROW-9821) - [Rust][DataFusion] User Defined PlanNode / Operator API +* [ARROW-9823](https://issues.apache.org/jira/browse/ARROW-9823) - [CI][C++][MinGW] Enable S3 +* [ARROW-9832](https://issues.apache.org/jira/browse/ARROW-9832) - [Rust] [DataFusion] Refactor PhysicalPlan to remove Partition +* [ARROW-9833](https://issues.apache.org/jira/browse/ARROW-9833) - [Rust] [DataFusion] Refactor TableProvider.scan to return ExecutionPlan +* [ARROW-9834](https://issues.apache.org/jira/browse/ARROW-9834) - [Rust] [DataFusion] Remove Partition trait +* [ARROW-9835](https://issues.apache.org/jira/browse/ARROW-9835) - [Rust] [DataFusion] Remove FunctionMeta +* [ARROW-9836](https://issues.apache.org/jira/browse/ARROW-9836) - [Rust] [DataFusion] Improve API for usage of UDFs +* [ARROW-9837](https://issues.apache.org/jira/browse/ARROW-9837) - [Rust] Add provider for variable +* [ARROW-9838](https://issues.apache.org/jira/browse/ARROW-9838) - [Rust] [DataFusion] DefaultPhysicalPlanner should insert explicit MergeExec nodes +* [ARROW-9839](https://issues.apache.org/jira/browse/ARROW-9839) - [Rust] [DataFusion] Add ability to downcast ExecutionPlan to specific operator +* [ARROW-9841](https://issues.apache.org/jira/browse/ARROW-9841) - [Rust] Update checked-in flatbuffer files +* [ARROW-9844](https://issues.apache.org/jira/browse/ARROW-9844) - [Go][CI] Add Travis CI job for Go on s390x +* [ARROW-9845](https://issues.apache.org/jira/browse/ARROW-9845) - [Rust] [Parquet] serde\_json is only used in tests but isn't in dev-dependencies +* [ARROW-9848](https://issues.apache.org/jira/browse/ARROW-9848) - [Rust] Implement changes to ensure flatbuffer alignment +* [ARROW-9849](https://issues.apache.org/jira/browse/ARROW-9849) - [Rust] [DataFusion] Make UDFs not need a Field +* [ARROW-9850](https://issues.apache.org/jira/browse/ARROW-9850) - [Go] Defer should not be used in the loop +* [ARROW-9853](https://issues.apache.org/jira/browse/ARROW-9853) - [RUST] Implement "take" kernel for dictionary arrays +* [ARROW-9854](https://issues.apache.org/jira/browse/ARROW-9854) - [R] Support reading/writing data to/from S3 +* [ARROW-9858](https://issues.apache.org/jira/browse/ARROW-9858) - [C++][Python][Docs] Expand user guide for FileSystem +* [ARROW-9863](https://issues.apache.org/jira/browse/ARROW-9863) - [C++] [PARQUET] Optimize meta data recovery of ApplicationVersion +* [ARROW-9867](https://issues.apache.org/jira/browse/ARROW-9867) - [C++][Dataset] FileSystemDataset should expose its filesystem +* [ARROW-9868](https://issues.apache.org/jira/browse/ARROW-9868) - [C++] Provide utility for copying files between filesystems +* [ARROW-9869](https://issues.apache.org/jira/browse/ARROW-9869) - [R] Implement full S3FileSystem/S3Options constructor +* [ARROW-9870](https://issues.apache.org/jira/browse/ARROW-9870) - [R] Friendly interface for filesystems (S3) +* [ARROW-9871](https://issues.apache.org/jira/browse/ARROW-9871) - [C++] Add uppercase support to ARROW\_USER\_SIMD\_LEVEL. +* [ARROW-9873](https://issues.apache.org/jira/browse/ARROW-9873) - [C++][Compute] Improve mode kernel for intergers within limited value range +* [ARROW-9875](https://issues.apache.org/jira/browse/ARROW-9875) - [Python] Let FileSystem.get\_file\_info accept a single path +* [ARROW-9884](https://issues.apache.org/jira/browse/ARROW-9884) - [R] Bindings for writing datasets to Parquet +* [ARROW-9885](https://issues.apache.org/jira/browse/ARROW-9885) - [Rust] [DataFusion] Simplify code of type coercion for binary types +* [ARROW-9886](https://issues.apache.org/jira/browse/ARROW-9886) - [Rust] [DataFusion] Simplify code to test cast +* [ARROW-9887](https://issues.apache.org/jira/browse/ARROW-9887) - [Rust] [DataFusion] Add support for complex return types of built-in functions +* [ARROW-9890](https://issues.apache.org/jira/browse/ARROW-9890) - [R] Add zstandard compression codec in macOS build +* [ARROW-9891](https://issues.apache.org/jira/browse/ARROW-9891) - [Rust] [DataFusion] Make math functions support f32 +* [ARROW-9892](https://issues.apache.org/jira/browse/ARROW-9892) - [Rust] [DataFusion] Add support for concat +* [ARROW-9893](https://issues.apache.org/jira/browse/ARROW-9893) - [Python] Bindings for writing datasets to Parquet +* [ARROW-9895](https://issues.apache.org/jira/browse/ARROW-9895) - [RUST] Improve sort kernels +* [ARROW-9899](https://issues.apache.org/jira/browse/ARROW-9899) - [Rust] [DataFusion] Switch from Box<Schema\> --\> SchemaRef (Arc<Schema\>) to be consistent with the rest of Arrow +* [ARROW-9900](https://issues.apache.org/jira/browse/ARROW-9900) - [Rust][DataFusion] Use Arc<\> instead of Box<\> in LogicalPlan +* [ARROW-9901](https://issues.apache.org/jira/browse/ARROW-9901) - [C++] Add hand-crafted Parquet to Arrow reconstruction test for nested reading +* [ARROW-9902](https://issues.apache.org/jira/browse/ARROW-9902) - [Rust] [DataFusion] Add support for array() +* [ARROW-9904](https://issues.apache.org/jira/browse/ARROW-9904) - [C++] Unroll the loop manually for CountSetBits +* [ARROW-9908](https://issues.apache.org/jira/browse/ARROW-9908) - [Rust] Support temporal data types in JSON reader +* [ARROW-9910](https://issues.apache.org/jira/browse/ARROW-9910) - [Rust] [DataFusion] Type coercion of Variadic is wrong +* [ARROW-9914](https://issues.apache.org/jira/browse/ARROW-9914) - [Rust][DataFusion] Document the SQL -\> Arrow type mapping +* [ARROW-9916](https://issues.apache.org/jira/browse/ARROW-9916) - [RUST] Avoid cloning ArrayData in several places +* [ARROW-9917](https://issues.apache.org/jira/browse/ARROW-9917) - [Python][Compute] Add bindings for mode kernel +* [ARROW-9919](https://issues.apache.org/jira/browse/ARROW-9919) - [Rust] [DataFusion] Math functions +* [ARROW-9921](https://issues.apache.org/jira/browse/ARROW-9921) - [Rust] Add \`from(Vec<Option<&str\>\>)\` to [Large]StringArray +* [ARROW-9925](https://issues.apache.org/jira/browse/ARROW-9925) - [GLib] Add low level value readers for GArrowListArray family +* [ARROW-9926](https://issues.apache.org/jira/browse/ARROW-9926) - [GLib] Use placement new for GArrowRecordBatchFileReader +* [ARROW-9928](https://issues.apache.org/jira/browse/ARROW-9928) - [C++] Speed up integer parsing slightly +* [ARROW-9929](https://issues.apache.org/jira/browse/ARROW-9929) - [Developer] Autotune cmake-format +* [ARROW-9933](https://issues.apache.org/jira/browse/ARROW-9933) - [Developer] Add drone as a CI provider for crossbow +* [ARROW-9934](https://issues.apache.org/jira/browse/ARROW-9934) - [Rust] Shape and stride check in tensor +* [ARROW-9941](https://issues.apache.org/jira/browse/ARROW-9941) - [Python] Better string representation for extension types +* [ARROW-9944](https://issues.apache.org/jira/browse/ARROW-9944) - [Rust] Implement TO\_TIMESTAMP function +* [ARROW-9949](https://issues.apache.org/jira/browse/ARROW-9949) - [C++] Generalize Decimal128::FromString for reuse in Decimal256 +* [ARROW-9950](https://issues.apache.org/jira/browse/ARROW-9950) - [Rust] [DataFusion] Allow UDF usage without registry +* [ARROW-9952](https://issues.apache.org/jira/browse/ARROW-9952) - [Python] Use pyarrow.dataset writing for pq.write\_to\_dataset +* [ARROW-9954](https://issues.apache.org/jira/browse/ARROW-9954) - [Rust] [DataFusion] Simplify code of aggregate planning +* [ARROW-9956](https://issues.apache.org/jira/browse/ARROW-9956) - [C++][Gandiva] Implement Binary string function in Gandiva +* [ARROW-9957](https://issues.apache.org/jira/browse/ARROW-9957) - [Rust] Remove unmaintained tempdir dependency +* [ARROW-9961](https://issues.apache.org/jira/browse/ARROW-9961) - [Rust][DataFusion] to\_timestamp function parses timestamp without timezone offset as UTC rather than local +* [ARROW-9964](https://issues.apache.org/jira/browse/ARROW-9964) - [C++] CSV date support +* [ARROW-9965](https://issues.apache.org/jira/browse/ARROW-9965) - [Java] Buffer capacity calculations are slow for fixed-width vectors +* [ARROW-9966](https://issues.apache.org/jira/browse/ARROW-9966) - [Rust] Speedup aggregate kernels +* [ARROW-9967](https://issues.apache.org/jira/browse/ARROW-9967) - [Python] Add compute module docs +* [ARROW-9971](https://issues.apache.org/jira/browse/ARROW-9971) - [Rust] Speedup take +* [ARROW-9977](https://issues.apache.org/jira/browse/ARROW-9977) - [Rust] Add min/max for [Large]String +* [ARROW-9979](https://issues.apache.org/jira/browse/ARROW-9979) - [Rust] Fix arrow crate clippy lints +* [ARROW-9980](https://issues.apache.org/jira/browse/ARROW-9980) - [Rust] Fix parquet crate clippy lints +* [ARROW-9981](https://issues.apache.org/jira/browse/ARROW-9981) - [Rust] Allow configuring flight IPC with IpcWriteOptions +* [ARROW-9983](https://issues.apache.org/jira/browse/ARROW-9983) - [C++][Dataset][Python] Use larger default batch size than 32K for Datasets API +* [ARROW-9984](https://issues.apache.org/jira/browse/ARROW-9984) - [Rust] [DataFusion] DRY of function to string +* [ARROW-9986](https://issues.apache.org/jira/browse/ARROW-9986) - [Rust][DataFusion] TO\_TIMESTAMP function erroneously requires fractional seconds when no timezone is present +* [ARROW-9987](https://issues.apache.org/jira/browse/ARROW-9987) - [Rust] [DataFusion] Improve docs of \`Expr\`. +* [ARROW-9988](https://issues.apache.org/jira/browse/ARROW-9988) - [Rust] [DataFusion] Added std::ops to logical expressions +* [ARROW-9992](https://issues.apache.org/jira/browse/ARROW-9992) - [C++][Python] Refactor python to arrow conversions based on a reusable conversion API +* [ARROW-9998](https://issues.apache.org/jira/browse/ARROW-9998) - [Python] Support pickling DictionaryScalar +* [ARROW-9999](https://issues.apache.org/jira/browse/ARROW-9999) - [Python] Support constructing dictionary array directly through pa.array() +* [ARROW-10000](https://issues.apache.org/jira/browse/ARROW-10000) - [C++][Python] Support constructing StructArray from list of key-value pairs +* [ARROW-10001](https://issues.apache.org/jira/browse/ARROW-10001) - [Rust] [DataFusion] Add developer guide to README +* [ARROW-10010](https://issues.apache.org/jira/browse/ARROW-10010) - [Rust] Speedup arithmetic +* [ARROW-10015](https://issues.apache.org/jira/browse/ARROW-10015) - [Rust] Implement SIMD for aggregate kernel sum +* [ARROW-10016](https://issues.apache.org/jira/browse/ARROW-10016) - [Rust] [DataFusion] Implement IsNull and IsNotNull +* [ARROW-10018](https://issues.apache.org/jira/browse/ARROW-10018) - [CI] Disable Sphinx and API documentation build since it takes 6 hours on master +* [ARROW-10019](https://issues.apache.org/jira/browse/ARROW-10019) - [Rust] Add substring kernel +* [ARROW-10023](https://issues.apache.org/jira/browse/ARROW-10023) - [Gandiva][C++] Implementing Split part function in gandiva +* [ARROW-10024](https://issues.apache.org/jira/browse/ARROW-10024) - [C++][Parquet] Create nested reading benchmarks +* [ARROW-10028](https://issues.apache.org/jira/browse/ARROW-10028) - [Rust] Simplify macro def\_numeric\_from\_vec +* [ARROW-10030](https://issues.apache.org/jira/browse/ARROW-10030) - [Rust] Support fromIter and toIter +* [ARROW-10035](https://issues.apache.org/jira/browse/ARROW-10035) - [C++] Bump versions of vendored code +* [ARROW-10037](https://issues.apache.org/jira/browse/ARROW-10037) - [C++] Workaround to force find AWS SDK to look for shared libraries +* [ARROW-10040](https://issues.apache.org/jira/browse/ARROW-10040) - [Rust] Create a way to slice unalligned offset buffers +* [ARROW-10043](https://issues.apache.org/jira/browse/ARROW-10043) - [Rust] [DataFusion] Introduce support for DISTINCT by partially implementing COUNT(DISTINCT) +* [ARROW-10044](https://issues.apache.org/jira/browse/ARROW-10044) - [Rust] Improve README +* [ARROW-10046](https://issues.apache.org/jira/browse/ARROW-10046) - [Rust] [DataFusion] Made \`\*Iterator\` implement Iterator +* [ARROW-10050](https://issues.apache.org/jira/browse/ARROW-10050) - [C++][Gandiva] Implement concat() in Gandiva for up to 10 arguments +* [ARROW-10051](https://issues.apache.org/jira/browse/ARROW-10051) - [C++][Compute] Make aggregate kernel merge state mutable +* [ARROW-10054](https://issues.apache.org/jira/browse/ARROW-10054) - [Python] Slice methods should return empty arrays instead of crashing +* [ARROW-10055](https://issues.apache.org/jira/browse/ARROW-10055) - [Rust] Implement DoubleEndedIterator for NullableIter +* [ARROW-10057](https://issues.apache.org/jira/browse/ARROW-10057) - [C++] Add Parquet-Arrow roundtrip tests for nested data +* [ARROW-10058](https://issues.apache.org/jira/browse/ARROW-10058) - [C++] Investigate performance of LevelsToBitmap without BMI2 +* [ARROW-10059](https://issues.apache.org/jira/browse/ARROW-10059) - [R][Doc] Give more advice on how to set up C++ build +* [ARROW-10063](https://issues.apache.org/jira/browse/ARROW-10063) - [Archery][CI] Fetch main branch in archery build only when it is a pull request +* [ARROW-10064](https://issues.apache.org/jira/browse/ARROW-10064) - [C++] Resolve compile warnings on Apple Clang 12 +* [ARROW-10065](https://issues.apache.org/jira/browse/ARROW-10065) - [Rust] DRY downcasted Arrays +* [ARROW-10066](https://issues.apache.org/jira/browse/ARROW-10066) - [C++] Make sure that default AWS region is respected +* [ARROW-10068](https://issues.apache.org/jira/browse/ARROW-10068) - [C++] Add bundled external project for aws-sdk-cpp +* [ARROW-10069](https://issues.apache.org/jira/browse/ARROW-10069) - [Java] Support running Java benchmarks from command line +* [ARROW-10070](https://issues.apache.org/jira/browse/ARROW-10070) - [C++][Compute] Implement stdev aggregate kernel +* [ARROW-10071](https://issues.apache.org/jira/browse/ARROW-10071) - [R] segfault with ArrowObject from previous session, or saved +* [ARROW-10074](https://issues.apache.org/jira/browse/ARROW-10074) - [C++] Don't use string\_view.to\_string() +* [ARROW-10075](https://issues.apache.org/jira/browse/ARROW-10075) - [C++] Don't use nonstd::nullopt this breaks out vendoring abstraction. +* [ARROW-10076](https://issues.apache.org/jira/browse/ARROW-10076) - [C++] Use TemporaryDir for all tests that don't already use it. +* [ARROW-10077](https://issues.apache.org/jira/browse/ARROW-10077) - [C++] Potential overflow in bit\_stream\_utils.h multiplication. +* [ARROW-10083](https://issues.apache.org/jira/browse/ARROW-10083) - [C++] Improve Parquet fuzz seed corpus +* [ARROW-10084](https://issues.apache.org/jira/browse/ARROW-10084) - [Rust] [DataFusion] Add length of large string array +* [ARROW-10086](https://issues.apache.org/jira/browse/ARROW-10086) - [Rust] Migrate min\_large\_string -\> min\_string kernels +* [ARROW-10090](https://issues.apache.org/jira/browse/ARROW-10090) - [C++][Compute] Improve mode kernel +* [ARROW-10092](https://issues.apache.org/jira/browse/ARROW-10092) - [Dev][Go] Add grpc generated go files to rat exclusion list +* [ARROW-10093](https://issues.apache.org/jira/browse/ARROW-10093) - [R] Add ability to opt-out of int64 -\> int demotion +* [ARROW-10095](https://issues.apache.org/jira/browse/ARROW-10095) - [Rust] [Parquet] Update for IPC changes +* [ARROW-10096](https://issues.apache.org/jira/browse/ARROW-10096) - [Rust] [DataFusion] Remove unused code +* [ARROW-10099](https://issues.apache.org/jira/browse/ARROW-10099) - [C++][Dataset] Also allow integer partition fields to be dictionary encoded +* [ARROW-10100](https://issues.apache.org/jira/browse/ARROW-10100) - [C++][Dataset] Ability to read/subset a ParquetFileFragment with given set of row group ids +* [ARROW-10102](https://issues.apache.org/jira/browse/ARROW-10102) - [C++] Generalize BasicDecimal128::operator\*= for reuse in Decimal256 +* [ARROW-10103](https://issues.apache.org/jira/browse/ARROW-10103) - [Rust] Add a Contains kernel +* [ARROW-10105](https://issues.apache.org/jira/browse/ARROW-10105) - [FlightRPC] Add client option to disable certificate validation with TLS +* [ARROW-10120](https://issues.apache.org/jira/browse/ARROW-10120) - [C++][Parquet] Create reading benchmarks for 2-level nested data +* [ARROW-10127](https://issues.apache.org/jira/browse/ARROW-10127) - [Format] Update specification to support 256-bit Decimal types +* [ARROW-10129](https://issues.apache.org/jira/browse/ARROW-10129) - [Rust] Cargo build is rebuilding dependencies on arrow changes +* [ARROW-10134](https://issues.apache.org/jira/browse/ARROW-10134) - [C++][Dataset] Add ParquetFileFragment::num\_row\_groups property +* [ARROW-10139](https://issues.apache.org/jira/browse/ARROW-10139) - [C++] Add support for building arrow\_testing without building tests +* [ARROW-10148](https://issues.apache.org/jira/browse/ARROW-10148) - [Rust] Add documentation to lib.rs +* [ARROW-10151](https://issues.apache.org/jira/browse/ARROW-10151) - [Python] Add support MapArray to\_pandas conversion +* [ARROW-10155](https://issues.apache.org/jira/browse/ARROW-10155) - [Rust] [DataFusion] Add documentation to lib.rs +* [ARROW-10156](https://issues.apache.org/jira/browse/ARROW-10156) - [Rust] Auto-label PRs +* [ARROW-10157](https://issues.apache.org/jira/browse/ARROW-10157) - [Rust] Add more documentation about take +* [ARROW-10160](https://issues.apache.org/jira/browse/ARROW-10160) - [Rust] Improve documentation of DictionaryType +* [ARROW-10161](https://issues.apache.org/jira/browse/ARROW-10161) - [Rust] [DataFusion] Simplify expression tests +* [ARROW-10162](https://issues.apache.org/jira/browse/ARROW-10162) - [Rust] Support display of DictionaryArrays in pretty printing +* [ARROW-10164](https://issues.apache.org/jira/browse/ARROW-10164) - [Rust] Add support for DictionaryArray types to cast kernels +* [ARROW-10167](https://issues.apache.org/jira/browse/ARROW-10167) - [Rust] Support display of DictionaryArrays in sql.rs +* [ARROW-10168](https://issues.apache.org/jira/browse/ARROW-10168) - [Rust] [Parquet] Extend arrow schema conversion to projected fields +* [ARROW-10171](https://issues.apache.org/jira/browse/ARROW-10171) - [Rust] [DataFusion] Add \`ExecutionContext::from<ExecutionContextState\>\` +* [ARROW-10190](https://issues.apache.org/jira/browse/ARROW-10190) - [Website] Add Jorge to list of committers +* [ARROW-10191](https://issues.apache.org/jira/browse/ARROW-10191) - [Rust] [Parquet] Add roundtrip tests for single column batches +* [ARROW-10196](https://issues.apache.org/jira/browse/ARROW-10196) - [C++] Add Future::DeferNotOk() +* [ARROW-10199](https://issues.apache.org/jira/browse/ARROW-10199) - [Rust][Parquet] Release Parquet at crates.io to remove debug prints +* [ARROW-10201](https://issues.apache.org/jira/browse/ARROW-10201) - [C++][CI] Disable S3 in arm64 job on Travis CI +* [ARROW-10202](https://issues.apache.org/jira/browse/ARROW-10202) - [CI][Windows] Use sf.net mirror for MSYS2 +* [ARROW-10205](https://issues.apache.org/jira/browse/ARROW-10205) - [Java][FlightRPC] Add client option to disable server verification +* [ARROW-10206](https://issues.apache.org/jira/browse/ARROW-10206) - [Python][C++][FlightRPC] Add client option to disable server validation +* [ARROW-10215](https://issues.apache.org/jira/browse/ARROW-10215) - [Rust] [DataFusion] Rename "Source" typedef +* [ARROW-10217](https://issues.apache.org/jira/browse/ARROW-10217) - [CI] Run fewer GitHub Actions jobs +* [ARROW-10225](https://issues.apache.org/jira/browse/ARROW-10225) - [Rust] [Parquet] Fix null bitmap comparisons in roundtrip tests +* [ARROW-10227](https://issues.apache.org/jira/browse/ARROW-10227) - [Ruby] Use a table size as the default for parquet chunk\_size +* [ARROW-10229](https://issues.apache.org/jira/browse/ARROW-10229) - [C++][Parquet] Remove left over ARROW\_LOG statement. +* [ARROW-10231](https://issues.apache.org/jira/browse/ARROW-10231) - [CI] Unable to download minio in arm32v7 docker image +* [ARROW-10233](https://issues.apache.org/jira/browse/ARROW-10233) - [Rust] Make array\_value\_to\_string available in all Arrow builds +* [ARROW-10235](https://issues.apache.org/jira/browse/ARROW-10235) - [Rust][DataFusion] Improve documentation for type coercion +* [ARROW-10240](https://issues.apache.org/jira/browse/ARROW-10240) - [Rust] [Datafusion] Optionally load tpch data into memory before running benchmark query +* [ARROW-10251](https://issues.apache.org/jira/browse/ARROW-10251) - [Rust] [DataFusion] MemTable::load() should load partitions in parallel +* [ARROW-10252](https://issues.apache.org/jira/browse/ARROW-10252) - [Python] Add option to skip inclusion of Arrow headers in Python installation +* [ARROW-10256](https://issues.apache.org/jira/browse/ARROW-10256) - [C++][Flight] Disable -Werror carefully +* [ARROW-10257](https://issues.apache.org/jira/browse/ARROW-10257) - [R] Prepare news/docs for 2.0 release +* [ARROW-10260](https://issues.apache.org/jira/browse/ARROW-10260) - [Python] Missing MapType to Pandas dtype +* [ARROW-10265](https://issues.apache.org/jira/browse/ARROW-10265) - [CI] Use smaler build when cache doesn't exit on Travis CI +* [ARROW-10266](https://issues.apache.org/jira/browse/ARROW-10266) - [CI][macOS] Ensure using Python 3.8 with Homebrew +* [ARROW-10267](https://issues.apache.org/jira/browse/ARROW-10267) - [Python] Skip flight test if disable\_server\_verification feature is not available +* [ARROW-10272](https://issues.apache.org/jira/browse/ARROW-10272) - [Packaging][Python] Pin newer multibuild version to avoid updating homebrew +* [ARROW-10273](https://issues.apache.org/jira/browse/ARROW-10273) - [CI][Homebrew] Fix "brew audit" usage +* [ARROW-10287](https://issues.apache.org/jira/browse/ARROW-10287) - [C++] Avoid std::random\_device whenever possible +* [PARQUET-1845](https://issues.apache.org/jira/browse/PARQUET-1845) - [C++] Int96 memory images in test cases assume only little-endian +* [PARQUET-1878](https://issues.apache.org/jira/browse/PARQUET-1878) - [C++] lz4 codec is not compatible with Hadoop Lz4Codec +* [PARQUET-1904](https://issues.apache.org/jira/browse/PARQUET-1904) - [C++] Export file\_offset in RowGroupMetaData + + + # Apache Arrow 1.0.0 (2020-07-20) ## Bug Fixes
