fix: PR feedback

crates/core/src/kernel/snapshot/mod.rs

@@ -769,7 +769,7 @@ fn get_stats_field<'a>(schema: &'a StructType, stats_field_name: &str) -> Option
     let dialect = sqlparser::dialect::GenericDialect {};
     match sqlparser::parser::Parser::new(&dialect).try_with_sql(stats_field_name) {
         Ok(mut parser) => match parser.parse_multipart_identifier() {
-            Ok(parts) => find_nested_field(schema, &parts, 0),
+            Ok(parts) => find_nested_field(schema, &parts),
             Err(_) => schema.field(stats_field_name),
         },
         Err(_) => schema.field(stats_field_name),
@@ -779,17 +779,19 @@ fn get_stats_field<'a>(schema: &'a StructType, stats_field_name: &str) -> Option
 fn find_nested_field<'a>(
     schema: &'a StructType,
     parts: &[sqlparser::ast::Ident],
-    part_idx: usize,
 ) -> Option<&'a StructField> {
-    let part_name = &parts[part_idx].value;
+    if parts.is_empty() {
+        return None;
+    }
+    let part_name = &parts[0].value;
     match schema.field(part_name) {
         Some(field) => {
-            if part_idx == parts.len() - 1 {
+            if parts.len() == 1 {
                 Some(field)
             } else {
                 match field.data_type() {
                     DataType::Struct(struct_schema) => {
-                        find_nested_field(struct_schema, parts, part_idx + 1)
+                        find_nested_field(struct_schema, &parts[1..])
                     }
                     // Any part before the end must be a struct
                     _ => None,