CHANGELOG.md

Changelog

39.0.0 (2023-05-05)

Full Changelog

Breaking changes:

• Allow creating unbuffered streamreader #4165 [arrow] (ming08108)
• Cleanup ChunkReader (#4118) #4156 [parquet] (tustvold)
• Remove Type from NativeIndex #4146 [parquet] (tustvold)
• Don't Duplicate Offset Index on RowGroupMetadata #4142 [parquet] (tustvold)
• Return BooleanBuffer from BooleanBufferBuilder #4140 [parquet] [arrow] (tustvold)
• Cleanup CSV schema inference (#4129) (#4130) #4133 [parquet] [arrow] (tustvold)
• Remove deprecated parquet ArrowReader #4125 [parquet] (tustvold)
• refactor: construct StructArray w/ FieldRef #4116 [parquet] [arrow] (crepererum)
• Ignore Field Metadata in equals_datatype for Dictionary, RunEndEncoded, Map and Union #4111 [arrow] (izveigor)
• Add StructArray Constructors (#3879) #4064 [arrow] (tustvold)

Implemented enhancements:

• Release 39.0.0 of arrow/arrow-flight/parquet/parquet-derive (next release after 38.0.0) #4170 [arrow] [arrow-flight]
• Fixed point decimal multiplication for DictionaryArray #4135 [arrow]
• Remove Seek Requirement from CSV ReaderBuilder #4130 [parquet] [arrow]
• Inconsistent CSV Inference and Parsing DateTime Handling #4129 [parquet] [arrow]
• Support accessing ipc Reader/Writer inner by reference #4121
• Add Type Declarations for All Primitive Tensors and Buffer Builders #4112 [arrow]
• Support Interval + Timestamp and Interval + Date in addition to Timestamp + Interval and Interval + Date #4094 [arrow]
• Enable setting FlightDescriptor on FlightDataEncoderBuilder #3855 [arrow] [arrow-flight]

Fixed bugs:

• Parquet Page Index Reader Assumes Consecutive Offsets #4149 [parquet]
• Equality of nested data types #4110 [arrow]

Documentation updates:

• Improve Documentation of Parquet ChunkReader #4118

Closed issues:

• add specific error log for empty JSON array #4105 [arrow]

Merged pull requests:

• Prep for 39.0.0 #4171 [arrow] [arrow-flight] (iajoiner)
• Support Compression in parquet-fromcsv #4160 [parquet] (suxiaogang223)
• feat: support bitwise shift left/right with scalars #4159 [arrow] (izveigor)
• Cleanup reading page index (#4149) (#4090) #4151 [parquet] (tustvold)
• feat: support bitwise shift left/right #4148 [arrow] (Weijun-H)
• Don't hardcode port in FlightSQL tests #4145 [arrow] [arrow-flight] (tustvold)
• Better flight SQL example codes #4144 [arrow] [arrow-flight] (sundy-li)
• chore: clean the code by using as_primitive #4143 [arrow] (Weijun-H)
• docs: fix the wrong ln command in CONTRIBUTING.md #4139 (SteveLauC)
• Infer Float64 for JSON Numerics Beyond Bounds of i64 #4138 [arrow] (SteveLauC)
• Support fixed point multiplication for DictionaryArray of Decimals #4136 [arrow] (viirya)
• Make arrow_json::ReaderBuilder method names consistent #4128 [arrow] (tustvold)
• feat: add get_{ref, mut} to arrow_ipc Reader and Writer #4122 (sticnarf)
• feat: support Interval + Timestamp and Interval + Date #4117 [arrow] (Weijun-H)
• Support NullArray in JSON Reader #4114 [arrow] (jiangzhx)
• Add Type Declarations for All Primitive Tensors and Buffer Builders #4113 [arrow] (izveigor)
• Update regex-syntax requirement from 0.6.27 to 0.7.1 #4107 [arrow] (dependabot[bot])
• feat: set FlightDescriptor on FlightDataEncoderBuilder #4101 [arrow] [arrow-flight] (Weijun-H)
• optimize cast for same decimal type and same scale #4088 [arrow] (liukun4515)

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