alamb commented on code in PR #12981:
URL: https://github.com/apache/datafusion/pull/12981#discussion_r1815592498


##########
datafusion/core/src/execution/context/mod.rs:
##########
@@ -114,17 +114,20 @@ impl DataFilePaths for &String {
     }
 }
 
-impl<P> DataFilePaths for Vec<P>
-where
-    P: AsRef<str>,
-{
+impl DataFilePaths for Vec<&str> {

Review Comment:
   I think the previous implementation would have allowed `Vec<String>` (and 
anything else) that implemented `AsRef<str>` as well and after this change 
`Vec<String>` 
   
   I wonder if we could change the signature to something like
   
   ```rust
   impl<P> DataFilePaths for Vec<P>
   where
       P: Into<ListingTableUrl>,
   ```
   
   Which should still work for anything that allows `AsRef<str>` but also allow 
`Vec<ListingTableUrl>` 🤔 



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