zclllyybb commented on code in PR #50798:
URL: https://github.com/apache/doris/pull/50798#discussion_r2084162732
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be/src/vec/data_types/serde/data_type_struct_serde.cpp:
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@@ -213,6 +213,9 @@ Status
DataTypeStructSerDe::deserialize_one_cell_from_json(IColumn& column, Slic
// check stuff:
if (field_pos < elem_size) {
+ for (size_t j = 0; j < field_pos; j++) {
+ struct_column.get_column(j).pop_back(1);
Review Comment:
why pop(1) many times rather than pop(n)?
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