Rust

Finish prototype #27

Job	Run time
build with wasm-pack	1m 40s
cargo check	4m 16s
cargo test (win64)	11m 51s
cargo test (macos)	6m 23s
Check cargo fmt	28s
cargo test (macos-aarch64)	4m 39s
Verify MSRV (Min Supported Rust Version)	6m 49s
Verify Vendored Code	50s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
cargo test doc (amd64)	0s
cargo doc	0s
Run sqllogictest with Postgres runner	0s
check Cargo.toml formatting	0s
clippy	0s
cargo test hash collisions (amd64)	0s
cargo test (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo examples (amd64)	0s
check configs.md is up-to-date	0s
	36m 56s

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