[HSTACK] Add TreeNode trait implementation for substrait Rel

- Adds the ability to modify and visit substrait plans
- For now, has to be in the common crate to satisfy trait / struct self
  crate Rust limitation

datafusion/common/Cargo.toml

@@ -69,6 +69,9 @@ recursive = { workspace = true, optional = true }
 sqlparser = { workspace = true }
 tokio = { workspace = true }
 
+prost = "0.13"
+substrait = { version = "0.51", features = ["serde"] }
+
 [target.'cfg(target_family = "wasm")'.dependencies]
 web-time = "1.1.0"
 

datafusion/common/src/lib.rs

@@ -49,6 +49,8 @@ pub mod types;
 pub mod utils;
 pub mod deep;
 
+pub mod substrait_tree;
+
 /// Reexport arrow crate
 pub use arrow;
 pub use column::Column;