Refactor to support recursive unnest in physical plan #32544

Job	Run time
cargo check	6m 5s
build with wasm-pack	2m 37s
cargo test (macos)	9m 44s
cargo test (macos-aarch64)	10m 22s
Verify Vendored Code	55s
cargo test (win64)	47m 19s
Check cargo fmt	32s
Verify MSRV (Min Supported Rust Version)	7m 8s
cargo test (amd64)	10m 1s
clippy	5m 39s
cargo test hash collisions (amd64)	14m 43s
cargo test datafusion-cli (amd64)	3m 53s
cargo doc	3m 49s
cargo test doc (amd64)	14m 48s
cargo examples (amd64)	12m 58s
Run sqllogictest with Postgres runner	3m 37s
cargo test pyarrow (amd64)	2m 54s
verify benchmark results (amd64)	12m 7s
check Cargo.toml formatting	2m 55s
check configs.md is up-to-date	2m 49s
	2h 54m 55s

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