Rust

Simplify `EXPR LIKE 'constant'` to `expr = 'constant'` #338

Job	Run time
Check cargo fmt	47s
build with wasm-pack	2m 47s
cargo test (macos)	10m 32s
cargo check	11m 7s
cargo test (macos-aarch64)	10m 33s
Verify MSRV (Min Supported Rust Version)	8m 10s
Verify Vendored Code	56s
cargo test (win64)	1h 15m 23s
check configs.md and ***_functions.md is up-to-date	2m 59s
check Cargo.toml formatting	3m 5s
cargo test hash collisions (amd64)	17m 43s
clippy	6m 33s
cargo doc	4m 10s
cargo test (amd64)	11m 26s
cargo test datafusion-cli (amd64)	4m 2s
cargo test doc (amd64)	16m 27s
cargo examples (amd64)	13m 12s
Run sqllogictest with Postgres runner	3m 36s
cargo test pyarrow (amd64)	3m 0s
verify benchmark results (amd64)	12m 56s
	3h 39m 24s

Provide feedback