apache · richox · Sep 3, 2026 · Sep 3, 2026
diff --git a/Cargo.toml b/Cargo.toml
@@ -202,7 +202,7 @@ zstd = "0.13.3"
 rdkafka = { version = "0.36.0", features = ["tokio"] }
 
 [patch.crates-io]
-# datafusion: branch=v49.0.0-blaze
+# datafusion: branch=v49.0.0-auron
 datafusion = { path = "./dev/vendors/packages/datafusion/datafusion/core"}
 datafusion-common = { path = "./dev/vendors/packages/datafusion/datafusion/common"}
 datafusion-expr = { path = "./dev/vendors/packages/datafusion/datafusion/expr"}
@@ -214,7 +214,7 @@ datafusion-physical-expr = { path = "./dev/vendors/packages/datafusion/datafusio
 datafusion-spark = { path = "./dev/vendors/packages/datafusion/datafusion/spark"}
 orc-rust = { path = "./dev/vendors/packages/orc-rust"}
 
-# arrow: branch=v55.2.0-blaze
+# arrow: branch=v55.2.0-auron
 arrow = { path = "./dev/vendors/packages/arrow-rs/arrow"}
 arrow-arith = { path = "./dev/vendors/packages/arrow-rs/arrow-arith"}
 arrow-array = { path = "./dev/vendors/packages/arrow-rs/arrow-array"}
@@ -229,5 +229,5 @@ arrow-select = { path = "./dev/vendors/packages/arrow-rs/arrow-select"}
 arrow-string = { path = "./dev/vendors/packages/arrow-rs/arrow-string"}
 parquet = { path = "./dev/vendors/packages/arrow-rs/parquet"}
 
-# serde_json: branch=v1.0.96-blaze
+# serde_json: branch=v1.0.96-auron
 serde_json = { path = "./dev/vendors/packages/serde_json" }
diff --git a/...1-blaze-fix-NaN-comparison-semantic.patch → ...1-auron-fix-NaN-comparison-semantic.patch b/...1-blaze-fix-NaN-comparison-semantic.patch → ...1-auron-fix-NaN-comparison-semantic.patch
@@ -1,7 +1,7 @@
 From ed4ace347da4acfe0c3453e1b34ede067de894e2 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 20:54:37 +0800
-Subject: [PATCH] blaze: fix NaN comparison semantic
+Subject: [PATCH] auron: fix NaN comparison semantic
 
 ---
  arrow-array/src/arithmetic.rs | 19 ++++++++++++++++++-
@@ -16,7 +16,7 @@ index b5f4a106f..c4e88b91a 100644
              #[inline]
              fn compare(self, rhs: Self) -> Ordering {
 -                <$t>::total_cmp(&self, &rhs)
-+                // blaze:
++                // auron:
 +                // nan-safe version according to semantics where NaN == NaN and
 +                // NaN is greater than any non-NaN double.
 +                if self.is_nan() && rhs.is_nan() {
@@ -35,7 +35,7 @@ index b5f4a106f..c4e88b91a 100644
                  // Equivalent to `self.total_cmp(&rhs).is_eq()`
                  // but LLVM isn't able to realise this is bitwise equality
                  // https://rust.godbolt.org/z/347nWGxoW
-+                // blaze:
++                // auron:
 +                // nan-safe version according to semantics where NaN == NaN and
 +                // NaN is greater than any non-NaN double.
 +                if self.is_nan() && rhs.is_nan() {

diff --git a/...ow-rs/0002-blaze-add-get_dictionary.patch → ...ow-rs/0002-auron-add-get_dictionary.patch b/...ow-rs/0002-blaze-add-get_dictionary.patch → ...ow-rs/0002-auron-add-get_dictionary.patch
@@ -1,17 +1,17 @@
 From 83e2918853b9519b669a3143293943df9626fd6b Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 21:00:43 +0800
-Subject: [PATCH] blaze: add get_dictionary
+Subject: [PATCH] auron: add get_dictionary
 
 ---
  parquet/src/arrow/array_reader/mod.rs |   2 +-
  parquet/src/arrow/async_reader/mod.rs |  12 +-
  parquet/src/arrow/mod.rs              |   4 +-
- parquet/src/blaze.rs                  | 274 ++++++++++++++++++++++++++
+ parquet/src/auron.rs                  | 274 ++++++++++++++++++++++++++
  parquet/src/column/reader.rs          |   2 +-
  parquet/src/lib.rs                    |   4 +
  6 files changed, 293 insertions(+), 5 deletions(-)
- create mode 100644 parquet/src/blaze.rs
+ create mode 100644 parquet/src/auron.rs
 
 diff --git a/parquet/src/arrow/array_reader/mod.rs b/parquet/src/arrow/array_reader/mod.rs
 index 94d61c9ea..06b06c9de 100644
@@ -36,9 +36,9 @@ index 611d6999e..248de5be3 100644
      ) -> BoxFuture<'a, Result<Arc<ParquetMetaData>>>;
 +
 +    /// Sync version of get_bytes
-+    /// this is only used by blaze, for reading dictionary values for row group pruning
++    /// this is only used by auron, for reading dictionary values for row group pruning
 +    fn get_bytes_sync(&mut self, range: Range<u64>) -> Result<Bytes> {
-+        unimplemented!("blaze only")
++        unimplemented!("auron only")
 +    }
  }
 
@@ -71,11 +71,11 @@ index e33d6a05a..4afcb9464 100644
  mod decoder;
 
  #[cfg(feature = "async")]
-diff --git a/parquet/src/blaze.rs b/parquet/src/blaze.rs
+diff --git a/parquet/src/auron.rs b/parquet/src/auron.rs
 new file mode 100644
 index 000000000..88ab30d1e
 --- /dev/null
-+++ b/parquet/src/blaze.rs
++++ b/parquet/src/auron.rs
 @@ -0,0 +1,274 @@
 +use std::io::Read;
 +use std::sync::{Arc, Mutex};
@@ -285,7 +285,7 @@ index 000000000..88ab30d1e
 +    use crate::arrow::arrow_reader::ArrowReaderOptions;
 +    use crate::arrow::async_reader::AsyncFileReader;
 +    use crate::arrow::ParquetRecordBatchStreamBuilder;
-+    use crate::blaze::get_dictionary_for_pruning;
++    use crate::auron::get_dictionary_for_pruning;
 +    use crate::errors::ParquetError;
 +    use crate::file::footer::{decode_footer, decode_metadata};
 +    use crate::file::FOOTER_SIZE;
@@ -325,7 +325,7 @@ index 000000000..88ab30d1e
 +    #[tokio::test]
 +    async fn test_get_dictionary() -> crate::errors::Result<()> {
 +        let input = AsyncLocalFileReader(
-+            File::open("/Volumes/Workspace/blaze-init/arrow-rs/with-dict-2.parquet")?
++            File::open("/Volumes/Workspace/auron-init/arrow-rs/with-dict-2.parquet")?
 +        );
 +        let mut builder = ParquetRecordBatchStreamBuilder::new_with_options(
 +            input,
@@ -375,7 +375,7 @@ index f814ddeb0..b69d85ba8 100644
 +
 +#[cfg(feature = "arrow")]
 +#[cfg(feature = "async")]
-+pub mod blaze;
++pub mod auron;
 --
 2.50.1
 
diff --git a/...blaze-skip-parquet-utf-8-validating.patch → ...auron-skip-parquet-utf-8-validating.patch b/...blaze-skip-parquet-utf-8-validating.patch → ...auron-skip-parquet-utf-8-validating.patch
@@ -1,7 +1,7 @@
 From 0ed0f11556f78301050d71d4c40b77d46ecba52a Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 21:14:08 +0800
-Subject: [PATCH] blaze: skip parquet utf-8 validating
+Subject: [PATCH] auron: skip parquet utf-8 validating
 
 ---
  arrow-array/src/types.rs                  | 40 +++++++++++------------
@@ -114,7 +114,7 @@ index 5051dce12..802df6ed0 100644
      /// [`Self::try_push`] can perform this validation check on insertion
      pub fn check_valid_utf8(&self, start_offset: usize) -> Result<()> {
 -        check_valid_utf8(&self.values.as_slice()[start_offset..])
-+        // blaze: ignore utf8 validation
++        // auron: ignore utf8 validation
 +        // check_valid_utf8(&self.values.as_slice()[start_offset..])
 +        Ok(())
      }

diff --git a/...aze-map-field-name-fixed-to-entries.patch → ...ron-map-field-name-fixed-to-entries.patch b/...aze-map-field-name-fixed-to-entries.patch → ...ron-map-field-name-fixed-to-entries.patch
@@ -1,7 +1,7 @@
 From ac1cb670bf1d82289c9a7aacca46a438905a8fcd Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 21:21:14 +0800
-Subject: [PATCH] blaze: map_field's name fixed to 'entries'
+Subject: [PATCH] auron: map_field's name fixed to 'entries'
 
 ---
  parquet/src/arrow/async_reader/metadata.rs | 6 ++++++
@@ -18,9 +18,9 @@ index e0f7bdbbe..9a985e885 100644
      fn fetch_suffix(&mut self, suffix: usize) -> BoxFuture<'_, Result<Bytes>>;
 +
 +    /// Sync version of get_bytes
-+    /// this is only used by blaze, for reading dictionary values for row group pruning
++    /// this is only used by auron, for reading dictionary values for row group pruning
 +    fn get_bytes_sync(&mut self, range: Range<usize>) -> Result<Bytes> {
-+        unimplemented!("blaze only")
++        unimplemented!("auron only")
 +    }
  }
 
@@ -34,7 +34,7 @@ index 16d46bd85..af70b8684 100644
 
                  let map_field = Field::new_struct(
 -                    map_key_value.name(),
-+                    "entries", // blaze: map_field's name fixed to 'entries'
++                    "entries", // auron: map_field's name fixed to 'entries'
                      [key_field, value_field],
                      false, // The inner map field is always non-nullable (#1697)
                  )

diff --git a/...istics-null-count-is-negative-error.patch → ...istics-null-count-is-negative-error.patch b/...istics-null-count-is-negative-error.patch → ...istics-null-count-is-negative-error.patch
@@ -1,7 +1,7 @@
 From 308b3c77cd28c654a84b38df46871cf0a88444f3 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 21:24:51 +0800
-Subject: [PATCH] blaze: fix 'Statistics null count is negative (-1)' error
+Subject: [PATCH] auron: fix 'Statistics null count is negative (-1)' error
 
 ---
  parquet/src/file/statistics.rs | 3 ++-
@@ -17,7 +17,7 @@ index b7522a76f..b7849e4f9 100644
              // see https://github.com/apache/arrow-rs/pull/6216/files
 -            let null_count = stats.null_count.unwrap_or(0);
 +            let null_count = stats.null_count.unwrap_or(0)
-+                .max(0); // blaze - fix 'Statistics null count is negative (-1)' error
++                .max(0); // auron - fix 'Statistics null count is negative (-1)' error
 
              if null_count < 0 {
                  return Err(ParquetError::General(format!(

diff --git a/...yncReader-ArrowReaderBuilder-to-pub.patch → ...yncReader-ArrowReaderBuilder-to-pub.patch b/...yncReader-ArrowReaderBuilder-to-pub.patch → ...yncReader-ArrowReaderBuilder-to-pub.patch
@@ -1,7 +1,7 @@
 From 0f9132f81a3a6d69ed2b893a5bc5d7820f819a4d Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Mon, 16 Sep 2024 00:16:57 +0800
-Subject: [PATCH] blaze: expose fields of AsyncReader/ArrowReaderBuilder to
+Subject: [PATCH] auron: expose fields of AsyncReader/ArrowReaderBuilder to
  public
 
 ---

diff --git a/...e-header-avoid-reading-in-fragments.patch → ...e-header-avoid-reading-in-fragments.patch b/...e-header-avoid-reading-in-fragments.patch → ...e-header-avoid-reading-in-fragments.patch
@@ -1,7 +1,7 @@
 From 417f165b72b99a25cc8f910fde9b43c1d5e06587 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Tue, 19 Nov 2024 10:52:22 +0800
-Subject: [PATCH] blaze: use bufreader to read page header, avoid reading in
+Subject: [PATCH] auron: use bufreader to read page header, avoid reading in
  fragments
 
 ---
@@ -16,10 +16,10 @@ index 9a985e885..2c994b9f0 100644
 @@ -87,7 +87,7 @@ pub trait MetadataSuffixFetch: MetadataFetch {
 
      /// Sync version of get_bytes
-     /// this is only used by blaze, for reading dictionary values for row group pruning
+     /// this is only used by auron, for reading dictionary values for row group pruning
 -    fn get_bytes_sync(&mut self, range: Range<usize>) -> Result<Bytes> {
 +    fn get_bytes_sync(&mut self, range: Range<u64>) -> Result<Bytes> {
-         unimplemented!("blaze only")
+         unimplemented!("auron only")
      }
  }
 diff --git a/parquet/src/bin/parquet-layout.rs b/parquet/src/bin/parquet-layout.rs
@@ -31,7 +31,7 @@ index 46a231a7d..26e22e1b2 100644
      }
 
 -    let input = reader.get_read(offset)?;
-+    // blaze: use BufReader to avoid reading in fragments
++    // auron: use BufReader to avoid reading in fragments
 +    let input = std::io::BufReader::new(reader.get_read(offset)?);
      let mut tracked = TrackedRead(input, 0);
      let mut prot = TCompactInputProtocol::new(&mut tracked);

diff --git a/...s-processing-old-style-array-struct.patch → ...s-processing-old-style-array-struct.patch b/...s-processing-old-style-array-struct.patch → ...s-processing-old-style-array-struct.patch
@@ -1,7 +1,7 @@
 From 5de02520ca6c9f8f092b4b364906dc0507002cbb Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sat, 21 Dec 2024 02:16:53 +0800
-Subject: [PATCH] blaze: parquet supports processing old-style
+Subject: [PATCH] auron: parquet supports processing old-style
  array<struct<..>> represented as `REPEATED group field_nme {..}`
 
 ---
@@ -20,7 +20,7 @@ index af70b8684..bf497fb77 100644
 -                    "incompatible arrow schema, expected struct got {}",
 -                    d
 -                ))
-+                // blaze: match old-style array<struct<..>> represented as
++                // auron: match old-style array<struct<..>> represented as
 +                // `REPEATED group field_nme {..}`
 +                let mut old_style_fields = None;
 +                if let DataType::List(f) = d {

diff --git a/.../0001-blaze-update-arrow-dependency.patch → .../0001-auron-update-arrow-dependency.patch b/.../0001-blaze-update-arrow-dependency.patch → .../0001-auron-update-arrow-dependency.patch
@@ -1,7 +1,7 @@
 From 0015 Mon Sep 17 00:00:00 2001
-From: blaze <blaze@example.com>
+From: auron <auron@example.com>
 Date: Mon, 27 Jul 2026 02:26:00 +0800
-Subject: [PATCH] blaze: update arrow dependency to vendored v55.2.0-blaze
+Subject: [PATCH] auron: update arrow dependency to vendored v55.2.0-auron
 
 ---
  Cargo.toml | 16 ++++++++++++++++
@@ -17,7 +17,7 @@ index 11cd3c637..b2fbf0df3 100644
  unused_qualifications = "deny"
 +
 +[patch.crates-io]
-+# arrow: vendored from v55.2.0-blaze
++# arrow: vendored from v55.2.0-auron
 +arrow = { path = "../arrow-rs/arrow" }
 +arrow-arith = { path = "../arrow-rs/arrow-arith" }
 +arrow-array = { path = "../arrow-rs/arrow-array" }

diff --git a/...02-blaze-exclude-testing-submodules.patch → ...02-auron-exclude-testing-submodules.patch b/...02-blaze-exclude-testing-submodules.patch → ...02-auron-exclude-testing-submodules.patch
@@ -1,7 +1,7 @@
 From a3f528a1ea0d3e64992dbda9d764774fbc6185b0 Mon Sep 17 00:00:00 2001
 From: zhangli20 <richselian@gmail.com>
 Date: Wed, 13 Aug 2025 11:34:56 +0800
-Subject: [PATCH] blaze: exclude testing submodules
+Subject: [PATCH] auron: exclude testing submodules
 
 ---
  .gitmodules        | 20 ++++++++++----------

diff --git a/...rquet-scan-with-adaptive-batch-size.patch → ...rquet-scan-with-adaptive-batch-size.patch b/...rquet-scan-with-adaptive-batch-size.patch → ...rquet-scan-with-adaptive-batch-size.patch
@@ -1,7 +1,7 @@
 From feeca02d670231014a2144293331e311494e31c6 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 18:43:15 +0800
-Subject: [PATCH] blaze: supports parquet scan with adaptive batch size
+Subject: [PATCH] auron: supports parquet scan with adaptive batch size
 
 ---
  datafusion/datasource-parquet/src/opener.rs | 28 +++++++++++++++++++++
@@ -15,7 +15,7 @@ index 7c208d142..ffeaaf63c 100644
                  builder = builder.with_limit(limit)
              }
 
-+            // blaze:
++            // auron:
 +            // target batch size is usually 1MB ~ 16MB as there are lightweight compressions
 +            // like RLE/DICT encodings
 +            let adaptive_mem_size = 1048576;

diff --git a/...s-when-pruning-float-column-with-Na.patch → ...s-when-pruning-float-column-with-Na.patch b/...s-when-pruning-float-column-with-Na.patch → ...s-when-pruning-float-column-with-Na.patch
@@ -1,7 +1,7 @@
 From c9fda37e2cfd77d13698f59f3ff594dd17b38d6a Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 22:59:40 +0800
-Subject: [PATCH] blaze: handle special cases when pruning float column with
+Subject: [PATCH] auron: handle special cases when pruning float column with
  NaN values
 
 ---

diff --git a/...pports-parquet-dictionary-filtering.patch → ...pports-parquet-dictionary-filtering.patch b/...pports-parquet-dictionary-filtering.patch → ...pports-parquet-dictionary-filtering.patch
@@ -1,7 +1,7 @@
 From a887b7659f10ec62ed9102aa9a3e9fd5d2e9ea0c Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Sun, 15 Sep 2024 22:02:24 +0800
-Subject: [PATCH] blaze: supports parquet dictionary filtering
+Subject: [PATCH] auron: supports parquet dictionary filtering
 
 ---
  datafusion-examples/examples/pruning.rs       |   4 +
@@ -118,7 +118,7 @@ index 51d50d780..982eed293 100644
 
          assert_eq!(groups.len(), self.access_plan.len());
          // Indexes of row groups still to scan
-+        // blaze: for less reading of dictionary pages, we still prune in separated passes
++        // auron: for less reading of dictionary pages, we still prune in separated passes
          let row_group_indexes = self.access_plan.row_group_indexes();
 -        let row_group_metadatas = row_group_indexes
 -            .iter()
@@ -213,7 +213,7 @@ index 51d50d780..982eed293 100644
 -    fn metadata_iter(&'a self) -> impl Iterator<Item = &'a RowGroupMetaData> + 'a {
 -        self.row_group_metadatas.iter().copied()
 +    fn metadata_iter(&self) -> impl Iterator<Item = &'a RowGroupMetaData> + 'a {
-+        // blaze: bypass lifetime checker
++        // auron: bypass lifetime checker
 +        let unchecked_self: &'a Self = unsafe {
 +            std::mem::transmute(self)
 +        };
@@ -225,7 +225,7 @@ index 51d50d780..982eed293 100644
 +        &self,
          column: &'b Column,
      ) -> Result<StatisticsConverter<'a>> {
-+        // blaze: bypass lifetime checker
++        // auron: bypass lifetime checker
 +        let unchecked_self: &'a Self = unsafe {
 +            std::mem::transmute(self)
 +        };
@@ -235,7 +235,7 @@ index 51d50d780..982eed293 100644
 -            self.parquet_schema,
 +            unchecked_self.arrow_schema,
 +            unsafe {
-+                // blaze: bypass lifetime checker
++                // auron: bypass lifetime checker
 +                std::mem::transmute(unchecked_self.builder.borrow_mut().parquet_schema())
 +            }
          )?)
@@ -271,7 +271,7 @@ index 51d50d780..982eed293 100644
 +            let mut values = vec![];
 +            for row_group_metadata in self.metadata_iter() {
 +                let dict_values =
-+                    parquet::blaze::get_dictionary_for_pruning(
++                    parquet::auron::get_dictionary_for_pruning(
 +                        &mut self.builder.borrow_mut().input.0,
 +                        row_group_metadata,
 +                        col_idx,

diff --git a/...nullable-parquet-scan-partition-key.patch → ...nullable-parquet-scan-partition-key.patch b/...nullable-parquet-scan-partition-key.patch → ...nullable-parquet-scan-partition-key.patch
@@ -1,7 +1,7 @@
 From 534651739be8f95b6dedf34b06fe7c355611af70 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Mon, 16 Sep 2024 10:03:29 +0800
-Subject: [PATCH] blaze: allow nullable parquet scan partition key
+Subject: [PATCH] auron: allow nullable parquet scan partition key
 
 ---
  datafusion/datasource/src/file_scan_config.rs | 7 ++++---
@@ -21,7 +21,7 @@ index 959a2dd33..2606c5387 100644
 +                    self.table_partition_cols[partition_idx]
 +                        .as_ref()
 +                        .clone()
-+                        .with_nullable(true) // blaze: allow nullable parquet scan partition key
++                        .with_nullable(true) // auron: allow nullable parquet scan partition key
                  }
              })
              .collect();

diff --git a/...sion/0007-blaze-make-scatter-public.patch → ...sion/0007-auron-make-scatter-public.patch b/...sion/0007-blaze-make-scatter-public.patch → ...sion/0007-auron-make-scatter-public.patch
@@ -1,7 +1,7 @@
 From b781bce65fef561bb3e4006c874d8f88291b637d Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Mon, 16 Sep 2024 10:04:54 +0800
-Subject: [PATCH] blaze: make scatter() public
+Subject: [PATCH] auron: make scatter() public
 
 ---
  datafusion/physical-expr-common/src/physical_expr.rs | 2 +-

diff --git a/...min-max-values-only-when-min-==-max.patch → ...min-max-values-only-when-min-==-max.patch b/...min-max-values-only-when-min-==-max.patch → ...min-max-values-only-when-min-==-max.patch
@@ -1,7 +1,7 @@
 From da84929cc253eeb4b14b20f6f141145da2a14d05 Mon Sep 17 00:00:00 2001
 From: zhangli20 <zhangli20@kuaishou.com>
 Date: Mon, 16 Sep 2024 11:15:48 +0800
-Subject: [PATCH] blaze: use deprecated min/max values only when min == max
+Subject: [PATCH] auron: use deprecated min/max values only when min == max
 
 ---
  .../src/row_group_filter.rs                   | 40 +++++++++++++++++--