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### Describe the enhancement requested This is a follow up to https://github.com/apache/arrow/pull/38357#discussion_r1365908049. In the C++ code for the MATLAB interface, we frequently `wrap`/`unwrap` Arrow types, like `arrow::Array`, into/from a corresponding...

kevingurney

[Format] Consider adding an official variant type to Arrow

23

### Describe the enhancement requested This could be aligned with the new [Spark variant type](https://github.com/apache/spark/blob/master/common/variant/README.md) or it could not be. ### Component(s) Format

CurtHagenlocher

GH-43891: [C++][Parquet] Faster reading of FIXED_LEN_BYTE_ARRAY data

6

### Rationale for this change Reading FIXED_LEN_BYTE_ARRAY columns goes through an intermediate array of FLBA structures, even when the end goal is to decode to a FixedSizeBinaryArray. This makes reading...

pitrou

GH-46833:[Python][Azure] Adding ConfigureClientSecretCredential to AzureFileSystem

8

### Rationale for this change `ClientSecretCredential` is another method to authenticate to Azure resources using Service Principle (SP). We work on AzureML, where there are two main types of compute...

KirillTsyganov

### Rationale for this change We have lots of stale issues/PRs ### What changes are included in this PR? CI job to warn then close ### Are these changes tested?...

thisisnic

GH-45798: [C++] Add extension directory to Meson

2

### Rationale for this change Continues growing Meson support in Arrow ### What changes are included in this PR? Added the extension directory to the Meson configuration ### Are these...

WillAyd

GH-46410: [C++] Add parquet options to Meson configuration

1

### Rationale for this change This continues adding functionality to the Meson configuration ### What changes are included in this PR? This adds the parquet directory to the Meson configuration...

WillAyd

[Parquet][C++] Expose Statistics.is_{min/max}_value_exact if they are present

1

### Describe the enhancement requested Those two fields exist on the Thrift statistics but we don't expose them when reading a Parquet file in the C++ implementation: https://github.com/apache/parquet-format/blob/87f2c8bf77eefb4c43d0ebaeea1778bd28ac3609/src/main/thrift/parquet.thrift#L308-L311 Even though...

raulcd

[C++][Compute] Add modulo compute kernel

1

### Describe the enhancement requested Currently, Arrow doesn't provide native support for modulo operations (%) on numeric data types. This is a commonly needed mathematical operation for many data processing...

uchenily

GH-46740: [C++] Update bundled Thrift to 0.22.0

9

### Rationale for this change Apache Thrift 0.22.0 has been released: https://github.com/apache/thrift/releases/tag/v0.22.0 ### What changes are included in this PR? Update bundled Thrift version. ### Are these changes tested? Yes....

kou