Rust

test: add regression coverage and docs for NULL format handling #72171

Job	Run time
build and run with wasm-pack	6m 38s
Verify MSRV (Min Supported Rust Version)	7m 17s
cargo test (macos-aarch64)	4m 36s
Check cargo fmt	2m 16s
Verify Vendored Code	1m 47s
Check GitHub Actions install tooling	9s
linux build test	7m 18s
cargo test (amd64)	18m 54s
cargo check datafusion-proto features	5m 53s
cargo check datafusion-substrait features	13m 23s
cargo check datafusion-common features	2m 12s
check example README is up-to-date	6m 35s
check configs.md and ***_functions.md is up-to-date	6m 45s
Run sqllogictest with Postgres runner	7m 24s
cargo check datafusion-ffi features	2m 37s
cargo check datafusion features	13m 14s
cargo test doc (amd64)	9m 45s
cargo examples (amd64)	16m 19s
check Cargo.toml formatting	1m 27s
Run sqllogictest in Substrait round-trip mode	7m 52s
cargo check datafusion-functions features	3m 22s
verify benchmark results (amd64)	17m 17s
cargo test datafusion-cli (amd64)	6m 50s
clippy	7m 8s
cargo doc	6m 5s
	3h 3m 3s

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