[FEAT MERGE] Optimize dml performance in multi-local index scenarios

Co-authored-by: Handora <qcdsr970209@gmail.com>
Co-authored-by: Naynahs <cfzy002@126.com>
Co-authored-by: ZenoWang <wzybuaasoft@163.com>

src/storage/ob_relative_table.cpp

@@ -453,6 +453,11 @@ bool ObRelativeTable::is_storage_index_table() const
   return schema_param_->is_storage_index_table();
 }
 
+bool ObRelativeTable::is_index_local_storage() const
+{
+  return schema_param_->is_index_local_storage();
+}
+
 bool ObRelativeTable::can_read_index() const
 {
   return schema_param_->can_read_index();