Changelog

40.0.0 (2023-05-19)

Breaking changes:

Prefetch page index (#4090) #4216 [parquet] (tustvold)
Add RecordBatchWriter trait and implement it for CSV, JSON, IPC and P… #4206 [parquet] [arrow] (alexandreyc)
Remove powf_scalar kernel #4187 [arrow] (tustvold)
Allow format specification in cast #4169 [arrow] (parthchandra)

Implemented enhancements:

ObjectStore with_url Should Handle Path #4199
Support Interval +/- Interval #4178 [arrow]
[parquet] add compression info to print_column_chunk_metadata() #4172 [parquet]
Allow cast to take in a format specification #4168 [arrow]
Support extended pow arithmetic #4166 [arrow]
Preload page index for async ParquetObjectReader #4090 [parquet]

Fixed bugs:

Subtracting Timestamp from Timestamp should produce a Duration (not Timestamp) #3964 [arrow]

Merged pull requests:

Arrow Arithmetic: Subtract timestamps #4244 [arrow] (mr-brobot)
Update proc-macro2 requirement from =1.0.57 to =1.0.58 #4236 [arrow] [arrow-flight] (dependabot[bot])
Fix Nightly Clippy Lints #4233 [arrow] (tustvold)
Minor: use all primitive types in test_layouts #4229 [arrow] (izveigor)
Add close method to RecordBatchWriter trait #4228 [parquet] [arrow] (alexandreyc)
Update proc-macro2 requirement from =1.0.56 to =1.0.57 #4219 [arrow] [arrow-flight] (dependabot[bot])
Feat docs #4215 [parquet] [arrow] (Folyd)
feat: Support bitwise and boolean aggregate functions #4210 [arrow] (izveigor)
Document how to sort a RecordBatch #4204 [arrow] (tustvold)
Fix incorrect cast Timestamp with Timezone #4201 [arrow] (aprimadi)
Add implementation of RecordBatchReader for CSV reader #4195 [arrow] (alexandreyc)
Add Sliced ListArray test (#3748) #4186 [arrow] (tustvold)
refactor: simplify can_cast_types code. #4185 [arrow] (jackwener)
Minor: support new types in struct_builder.rs #4177 [arrow] (izveigor)
feat: add compression info to print_column_chunk_metadata() #4176 [parquet] (SteveLauC)

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