amorynan commented on code in PR #49553:
URL: https://github.com/apache/doris/pull/49553#discussion_r2015685681
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be/src/vec/data_types/serde/data_type_struct_serde.cpp:
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@@ -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:
less than means `field_pos < elem_size` which is right . equal we should
return err, otherwise serders[field_pos] would make crash
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