zeroshade commented on code in PR #3099:
URL: https://github.com/apache/arrow-adbc/pull/3099#discussion_r2193016267


##########
rust/core/src/driver_manager.rs:
##########
@@ -316,6 +408,65 @@ impl Driver for ManagedDriver {
     }
 }
 
+fn get_optional_key(manifest: &Table, key: &str) -> String {
+    manifest
+        .get(key)
+        .and_then(Value::as_str)
+        .unwrap_or_default()
+        .to_string()
+}
+
+fn load_driver_manifest(info: &mut DriverInfo) -> Result<()> {
+    let contents = 
fs::read_to_string(info.manifest_file.as_path()).map_err(|e| {
+        let file = info.manifest_file.to_string_lossy();
+        Error::with_message_and_status(
+            format!("Could not read manifest '{file}': {e}"),
+            Status::InvalidArguments,
+        )
+    })?;
+
+    let manifest = contents
+        .parse::<Table>()
+        .map_err(|e| Error::with_message_and_status(e.to_string(), 
Status::InvalidArguments))?;

Review Comment:
   given we have three people in favor of removing serde and using the original 
logic, I'm gonna switch back to that unless someone objects.



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