feat(datafusion): Export DefaultExpressionConvertor (#19)

Author: sgrebnov

vortex-datafusion/src/lib.rs

@@ -14,6 +14,7 @@ mod persistent;
 #[cfg(test)]
 mod tests;
 
+pub use convert::exprs::DefaultExpressionConvertor;
 pub use convert::exprs::ExpressionConvertor;
 pub use persistent::*;