simges commented on code in PR #49553:
URL: https://github.com/apache/doris/pull/49553#discussion_r2015714547


##########
be/src/vec/data_types/serde/data_type_struct_serde.cpp:
##########
@@ -157,7 +157,8 @@ Status 
DataTypeStructSerDe::deserialize_one_cell_from_json(IColumn& column, Slic
             }
             Slice next(slice.data + start_pos, idx - start_pos);
             next.trim_prefix();
-            if (field_pos > elem_size) {
+            // field_pos should always less than elem_size, if not, we should 
return error
+            if (field_pos >= elem_size) {

Review Comment:
   After taking a closer look, I noticed I misunderstood the context. All looks 
good now, thanks for your patience.



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