WIP tree_node impl for substrait Rel

Author: adragomir

datafusion/common/Cargo.toml

@@ -66,6 +66,9 @@ sqlparser = { workspace = true }
 tokio = { workspace = true }
 log = { workspace = true }
 
+prost = "0.13"
+substrait = { version = "0.50", 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;