Rust

example of stateless execution for projection exec #79

Job	Run time
Verify Vendored Code	2m 5s
build and run with wasm-pack	1m 57s
cargo test (macos-aarch64)	2m 8s
Check cargo fmt	1m 19s
Verify MSRV (Min Supported Rust Version)	2m 30s
linux build test	2m 8s
cargo check datafusion-common features	0s
cargo test doc (amd64)	0s
cargo check datafusion-substrait features	0s
check configs.md and ***_functions.md is up-to-date	0s
Run sqllogictest with Postgres runner	0s
clippy	0s
cargo examples (amd64)	0s
cargo test datafusion-cli (amd64)	0s
check Cargo.toml formatting	0s
cargo test (amd64)	0s
Run sqllogictest in Substrait round-trip mode	0s
cargo check datafusion features	-1s
cargo check datafusion-functions features	-1s
verify benchmark results (amd64)	-1s
cargo check datafusion-proto features	-1s
check example README is up-to-date	-1s
cargo doc	-1s
	12m 1s

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