Merge arrow-rs/main into shredding-variant-part1

.github/workflows/dev.yml

@@ -40,7 +40,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: 3.8
       - name: Audit licenses
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v5
         with:
           node-version: "14"
       - name: Prettier check

.github/workflows/dev_pr.yml

@@ -44,7 +44,7 @@ jobs:
           github.event_name == 'pull_request_target' &&
             (github.event.action == 'opened' ||
              github.event.action == 'synchronize')
-        uses: actions/labeler@v5.0.0
+        uses: actions/labeler@v6.0.1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           configuration-path: .github/workflows/dev_pr/labeler.yml

.github/workflows/docs.yml

@@ -56,7 +56,7 @@ jobs:
               echo "::warning title=Invalid file permissions automatically fixed::$line"
           done
       - name: Upload artifacts
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           name: crate-docs
           path: target/doc

.github/workflows/integration.yml

@@ -63,6 +63,7 @@ jobs:
       ARROW_INTEGRATION_CPP: ON
       ARROW_INTEGRATION_CSHARP: ON
       ARCHERY_INTEGRATION_TARGET_IMPLEMENTATIONS: "rust"
+      ARCHERY_INTEGRATION_WITH_DOTNET: "1"
       ARCHERY_INTEGRATION_WITH_GO: "1"
       ARCHERY_INTEGRATION_WITH_JAVA: "1"
       ARCHERY_INTEGRATION_WITH_JS: "1"
@@ -98,6 +99,11 @@ jobs:
         with:
           path: rust
           fetch-depth: 0
+      - name: Checkout Arrow .NET
+        uses: actions/checkout@v5
+        with:
+          repository: apache/arrow-dotnet
+          path: dotnet
       - name: Checkout Arrow Go
         uses: actions/checkout@v5
         with:
@@ -152,7 +158,7 @@ jobs:
           path: /home/runner/target
           # this key is not equal because maturin uses different compilation flags.
           key: ${{ runner.os }}-${{ matrix.arch }}-target-maturin-cache-${{ matrix.rust }}-
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.8'
       - name: Upgrade pip and setuptools

.github/workflows/miri.yaml

@@ -52,12 +52,8 @@ jobs:
           submodules: true
       - name: Setup Rust toolchain
         run: |
-          # Temp pin to nightly-2025-08-18 until https://github.com/rust-lang/rust/issues/145652 is resolved
-          # See https://github.com/apache/arrow-rs/issues/8181 for more details
-          rustup toolchain install nightly-2025-08-18 --component miri
-          rustup override set nightly-2025-08-18
-          # rustup toolchain install nightly --component miri
-          # rustup override set nightly
+          rustup toolchain install nightly --component miri
+          rustup override set nightly
           cargo miri setup
       - name: Run Miri Checks
         env:

.github/workflows/parquet.yml

@@ -153,7 +153,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.10"
           cache: "pip"

.github/workflows/take.yml

@@ -28,7 +28,7 @@ jobs:
     if: (!github.event.issue.pull_request) && github.event.comment.body == 'take'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             github.rest.issues.addAssignees({

arrow-array/Cargo.toml

@@ -46,7 +46,7 @@ chrono = { workspace = true }
 chrono-tz = { version = "0.10", optional = true }
 num = { version = "0.4.1", default-features = false, features = ["std"] }
 half = { version = "2.1", default-features = false, features = ["num-traits"] }
-hashbrown = { version = "0.15.1", default-features = false }
+hashbrown = { version = "0.16.0", default-features = false }
 
 [package.metadata.docs.rs]
 all-features = true

arrow-array/src/timezone.rs

@@ -53,6 +53,7 @@ mod private {
     use super::*;
     use chrono::offset::TimeZone;
     use chrono::{LocalResult, NaiveDate, NaiveDateTime, Offset};
+    use std::fmt::Display;
     use std::str::FromStr;
 
     /// An [`Offset`] for [`Tz`]
@@ -97,6 +98,15 @@ mod private {
         }
     }
 
+    impl Display for Tz {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            match self.0 {
+                TzInner::Timezone(tz) => tz.fmt(f),
+                TzInner::Offset(offset) => offset.fmt(f),
+            }
+        }
+    }
+
     macro_rules! tz {
         ($s:ident, $tz:ident, $b:block) => {
             match $s.0 {
@@ -228,6 +238,15 @@ mod private {
                 sydney_offset_with_dst
             );
         }
+
+        #[test]
+        fn test_timezone_display() {
+            let test_cases = ["UTC", "America/Los_Angeles", "-08:00", "+05:30"];
+            for &case in &test_cases {
+                let tz: Tz = case.parse().unwrap();
+                assert_eq!(tz.to_string(), case);
+            }
+        }
     }
 }
 

arrow-avro/Cargo.toml

@@ -40,6 +40,9 @@ default = ["deflate", "snappy", "zstd", "bzip2", "xz"]
 deflate = ["flate2"]
 snappy = ["snap", "crc"]
 canonical_extension_types = ["arrow-schema/canonical_extension_types"]
+md5 = ["dep:md5"]
+sha256 = ["dep:sha2"]
+small_decimals = []
 
 [dependencies]
 arrow-schema = { workspace = true }
@@ -59,6 +62,8 @@ strum_macros = "0.27"
 uuid = "1.17"
 indexmap = "2.10"
 rand = "0.9"
+md5 = { version = "0.8", optional = true }
+sha2 = { version = "0.10", optional = true }
 
 [dev-dependencies]
 arrow-data = { workspace = true }
@@ -73,7 +78,7 @@ arrow = { workspace = true }
 futures = "0.3.31"
 bytes = "1.10.1"
 async-stream = "0.3.6"
-apache-avro = "0.14.0"
+apache-avro = "0.20.0"
 num-bigint = "0.4"
 once_cell = "1.21.3"
 
@@ -83,4 +88,8 @@ harness = false
 
 [[bench]]
 name = "decoder"
+harness = false
+
+[[bench]]
+name = "avro_writer"
 harness = false