Rust

perf: optimize octet_length for string arrays #55412

Job	Run time
Check cargo fmt	1m 7s
Verify Vendored Code	1m 17s
Verify MSRV (Min Supported Rust Version)	4m 38s
linux build test	3m 39s
cargo test (macos-aarch64)	12m 40s
build and run with wasm-pack	4m 57s
cargo check datafusion-proto features	4m 33s
cargo check datafusion-substrait features	10m 9s
cargo test (amd64)	11m 17s
cargo doc	4m 43s
cargo check datafusion-common features	1m 55s
cargo test datafusion-cli (amd64)	5m 27s
cargo check datafusion features	10m 52s
cargo check datafusion-functions features	2m 29s
verify benchmark results (amd64)	11m 30s
cargo examples (amd64)	9m 57s
Run sqllogictest in Substrait round-trip mode	7m 34s
check example README is up-to-date	1m 51s
check configs.md and ***_functions.md is up-to-date	5m 56s
clippy	3m 27s
cargo test doc (amd64)	8m 51s
Run sqllogictest with Postgres runner	7m 2s
check Cargo.toml formatting	4m 58s
	2h 20m 49s

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