Rust

Followup Support NULL literals in where clause #34

Job	Run time
build with wasm-pack	2m 16s
cargo check	3m 46s
cargo test (win64)	33m 45s
cargo test (macos)	10m 16s
cargo test (macos-aarch64)	9m 48s
Check cargo fmt	35s
Verify MSRV (Min Supported Rust Version)	6m 48s
Verify Vendored Code	1m 2s
cargo test (amd64)	9m 43s
cargo test datafusion-cli (amd64)	3m 40s
cargo doc	3m 31s
cargo test doc (amd64)	13m 58s
cargo examples (amd64)	12m 21s
verify benchmark results (amd64)	10m 30s
check Cargo.toml formatting	3m 4s
check configs.md is up-to-date	2m 34s
clippy	5m 25s
cargo test hash collisions (amd64)	9m 7s
Run sqllogictest with Postgres runner	3m 16s
cargo test pyarrow (amd64)	3m 3s
	2h 28m 28s

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