Rust

Fix ordering for UNION ALL over heterogeneous constants #70925

Job	Run time
cargo test (macos-aarch64)	5m 36s
Check GitHub Actions install tooling	7s
build and run with wasm-pack	6m 51s
Verify Vendored Code	1m 20s
linux build test	6m 3s
Verify MSRV (Min Supported Rust Version)	6m 24s
Check cargo fmt	1m 16s
cargo check datafusion-proto features	4m 59s
cargo test datafusion-cli (amd64)	5m 59s
cargo check datafusion-functions features	3m 15s
Run sqllogictest in Substrait round-trip mode	9m 8s
cargo check datafusion-common features	2m 30s
Run sqllogictest with Postgres runner	7m 37s
cargo test (amd64)	17m 58s
verify benchmark results (amd64)	16m 45s
cargo check datafusion-substrait features	13m 9s
cargo test doc (amd64)	9m 44s
cargo examples (amd64)	15m 54s
cargo doc	5m 47s
cargo check datafusion-ffi features	2m 12s
check example README is up-to-date	4m 21s
check Cargo.toml formatting	3m 56s
clippy	8m 53s
check configs.md and ***_functions.md is up-to-date	6m 58s
cargo check datafusion features	12m 2s
	2h 58m 44s

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