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[C++] shared conversion framework for JSON/CSV parsers

2

CSV and JSON both convert strings to values in a Array but there is little code sharing beyond `arrow::util::StringConverter`. It would be advantageous if a single interface could be shared...

asfimport

GH-41364: [GLib][Ruby] Allow passing thread pool to ExecutePlan

1

### Rationale for this change Aggregators like `first` and `last` are unusable in Ruby because they don't work when the execution plan is executed using multiple threads. ### What changes...

stenlarsson

### Describe the bug, including details regarding any error messages, version, and platform. When creating an `Arrow::Table` from a Ruby Hash where a column contains nested arrays of Integer values,...

hypsakata

GH-36593: [Python] Add rename_columns method to pyarrow datasets

1

### Rationale for this change See https://github.com/apache/arrow/issues/36593 In particular this change is convenient when the column names stored in a file are different from the logical names associated with the...

JonatanMartens

[Ruby] Arrow::Table.new infers nested integer arrays as utf8 when all values are non-negative

2

### Describe the bug, including details regarding any error messages, version, and platform. When creating an `Arrow::Table` from a Ruby Hash, if a column contains nested arrays consisting solely of...

hypsakata

[Ruby] Improve non-blocking I/O for Flight client?

3

### Describe the enhancement requested I'm trying to do multiple Flight DoGet requests in parallel Ruby Threads/Fibers and observe that `ArrowFlight::Client#do_get` doesn't yield to another Thread/Fiber until the first Arrow...

datbth

GH-48312: [C++][FlightRPC] Standalone ODBC MSVC CI

10

### Rationale for this change https://github.com/apache/arrow/issues/48312 ### What changes are included in this PR? - Add new ODBC workflow for Windows MSVC - Added build fixes to enable build on...

alinaliBQ

### Describe the enhancement requested ### Short I'd like to be able to handle nulls in [`binary_join`](https://arrow.apache.org/docs/python/generated/pyarrow.compute.binary_join.html#pyarrow.compute.binary_join) in the same way as [`binary_join_element_wise`](https://arrow.apache.org/docs/python/generated/pyarrow.compute.binary_join_element_wise.html). ### Longer I've recently been trying to...

dangotbanned

GH-48013: [R] Add CI job for musl (Alpine Linux) to replicate CRAN checks

37

### Rationale for this change CRAN have added Alpine Linux to their additional jobs - we should make sure we can test for this on CI ### What changes are...

thisisnic

GH-48277: [C++][Parquet] unpack with shuffle algorithm

15

### Rationale for this change ### What changes are included in this PR? - Add a new method for building unpacking kernels. The `constexpr` code generation creates a kernel appropriate...

AntoinePrv