Rust

maintaining fifo hashmap in hash join #660

Job	Run time
build with wasm-pack	1m 54s
cargo check	3m 20s
Check cargo fmt	38s
cargo test (mac)	12m 17s
Verify MSRV	6m 27s
Verify Vendored Code	45s
cargo test (win64)	26m 29s
Run sqllogictest with Postgres runner	3m 7s
cargo doc	3m 9s
cargo test datafusion-cli (amd64)	3m 1s
cargo test (amd64)	9m 5s
clippy	2m 41s
verify benchmark results (amd64)	9m 24s
cargo test pyarrow (amd64)	2m 18s
check configs.md is up-to-date	2m 9s
check Cargo.toml formatting	1m 22s
cargo test hash collisions (amd64)	8m 39s
cargo test doc (amd64)	9m 36s
cargo examples (amd64)	6m 46s
	1h 53m 7s

Provide feedback