integrate dragonbox

Author: leung-ming

NOTICE.txt

@@ -10,4 +10,7 @@ Specifically:
 - Optimizer rule to replace SortMergeJoin with ShuffleHashJoin
 
 This product includes software developed at
-DataFusion HDFS ObjectStore Contrib Package(https://github.com/datafusion-contrib/datafusion-objectstore-hdfs)
+DataFusion HDFS ObjectStore Contrib Package(https://github.com/datafusion-contrib/datafusion-objectstore-hdfs)
+
+This product includes software developed at
+dragonbox (https://github.com/dtolnay/dragonbox)

native/Cargo.lock

@@ -16,8 +16,8 @@
 # under the License.
 
 [workspace]
-default-members = ["core", "spark-expr", "proto"]
-members = ["core", "spark-expr", "proto", "hdfs"]
+default-members = ["core", "spark-expr", "proto", "dragonbox"]
+members = ["core", "spark-expr", "proto", "hdfs", "dragonbox"]
 resolver = "2"
 
 [workspace.package]

native/Cargo.toml

@@ -1,22 +1,32 @@
-[package]
-name = "dragonbox"
-version = "0.1.10"
-authors = ["David Tolnay <dtolnay@gmail.com>"]
-categories = ["value-formatting", "no-std", "no-std::no-alloc"]
-description = "Fast floating point to string conversion"
-documentation = "https://docs.rs/dragonbox"
-edition = "2018"
-exclude = ["performance.png", "chart/**"]
-keywords = ["float"]
-license = "Apache-2.0 WITH LLVM-exception OR BSL-1.0"
-repository = "https://github.com/dtolnay/dragonbox"
-rust-version = "1.52"
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
-[dev-dependencies]
-rand = "0.9"
+[package]
+name = "datafusion-comet-dragonbox"
+description = "Comet dragonbox integration"
+version = { workspace = true }
+homepage = { workspace = true }
+repository = { workspace = true }
+authors = { workspace = true }
+readme = { workspace = true }
+license = { workspace = true }
+edition = { workspace = true }
 
 [package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]
 rustdoc-args = [
     "--generate-link-to-definition",
     "--extern-html-root-url=core=https://doc.rust-lang.org",

native/dragonbox/Cargo.toml

@@ -1,48 +1,25 @@
-# Dragonbox
-
-[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/dragonbox-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/dragonbox)
-[<img alt="crates.io" src="https://img.shields.io/crates/v/dragonbox.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/dragonbox)
-[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-dragonbox-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/dragonbox)
-[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/dragonbox/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/dragonbox/actions?query=branch%3Amaster)
-
-This crate contains a basic port of <https://github.com/jk-jeon/dragonbox> to
-Rust for benchmarking purposes.
-
-Please see the upstream repo for an explanation of the approach and comparison
-to the Ryū algorithm.
-
-<br>
-
-## Example
-
-```rust
-fn main() {
-    let mut buffer = dragonbox::Buffer::new();
-    let printed = buffer.format(1.234);
-    assert_eq!(printed, "1.234E0");
-}
-```
-
-<br>
-
-## Performance (lower is better)
-
-![performance](https://raw.githubusercontent.com/dtolnay/dragonbox/master/performance.png)
-
-<br>
-
-#### License
-
-<sup>
-Licensed under either of <a href="LICENSE-Apache2-LLVM">Apache License, Version
-2.0 with LLVM Exceptions</a> or <a href="LICENSE-Boost">Boost Software License
-Version 1.0</a> at your option.
-</sup>
-
-<br>
-
-<sub>
-Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
-be dual licensed as above, without any additional terms or conditions.
-</sub>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+# Apache DataFusion Comet: dragonbox integration
+
+This crate contains the dragonbox integration
+and is intended to be used as part of the Apache DataFusion Comet project
+
+The binary floating-point to decimal floating-point conversion powered by [dragonbox](https://github.com/dtolnay/dragonbox).