avro: strip inferred schema metadata for stable runtime matching

Author: getChan

datafusion/datasource-avro/src/mod.rs

@@ -47,11 +47,11 @@ pub fn read_avro_schema_from_reader<R: Read>(
     // Drop metadata from inferred schemas so runtime batches and inferred table schemas
     // compare consistently without requiring strict Avro metadata identity.
     Ok(strip_metadata_from_schema(
-        avro_reader.schema().as_ref().clone(),
+        avro_reader.schema().as_ref(),
     ))
 }
 
-fn strip_metadata_from_schema(schema: Schema) -> Schema {
+fn strip_metadata_from_schema(schema: &Schema) -> Schema {
     let fields = schema
         .fields
         .into_iter()