Rust

Refine ParquetAccessPlan comments and tests #3363

Job	Run time
Check cargo fmt	45s
cargo check	8m 5s
build with wasm-pack	2m 14s
cargo test (macos)	9m 34s
Verify MSRV (Min Supported Rust Version)	6m 20s
cargo test (macos-aarch64)	10m 34s
Verify Vendored Code	44s
cargo test (win64)	33m 24s
cargo test datafusion-cli (amd64)	3m 39s
cargo test (amd64)	9m 47s
cargo examples (amd64)	12m 14s
cargo doc	3m 38s
Run sqllogictest with Postgres runner	3m 21s
check Cargo.toml formatting	2m 45s
clippy	5m 20s
verify benchmark results (amd64)	10m 59s
check configs.md is up-to-date	2m 35s
cargo test hash collisions (amd64)	8m 58s
cargo test pyarrow (amd64)	2m 49s
cargo test doc (amd64)	13m 1s
	2h 30m 46s

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