Rust

Minor fix #39

Job	Run time
build with wasm-pack	2m 56s
cargo check	3m 40s
cargo test (macos)	10m 11s
Check cargo fmt	34s
cargo test (macos-aarch64)	10m 51s
Verify Vendored Code	46s
cargo test (win64)	41m 49s
Verify MSRV (Min Supported Rust Version)	6m 54s
clippy	4m 54s
check Cargo.toml formatting	3m 7s
cargo test hash collisions (amd64)	13m 36s
check configs.md is up-to-date	2m 59s
cargo test (amd64)	9m 38s
cargo test datafusion-cli (amd64)	3m 29s
cargo doc	3m 44s
cargo test doc (amd64)	14m 43s
cargo examples (amd64)	12m 46s
cargo test pyarrow (amd64)	3m 1s
Run sqllogictest with Postgres runner	3m 16s
verify benchmark results (amd64)	10m 45s
	2h 43m 39s

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