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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/07/20 20:28:25 UTC

[GitHub] [arrow] jorgecarleitao commented on a change in pull request #7812: ARROW-9507: [Rust] [DataFusion] Implement Display for PhysicalExpr

jorgecarleitao commented on a change in pull request #7812:
URL: https://github.com/apache/arrow/pull/7812#discussion_r457672336



##########
File path: rust/datafusion/src/execution/physical_plan/udf.rs
##########
@@ -84,6 +86,19 @@ impl ScalarFunctionExpr {
     }
 }
 
+impl fmt::Display for ScalarFunctionExpr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}(", self.name)?;
+        for i in 0..self.args.len() {

Review comment:
       `self.args.join(", ")`?




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