suxiaogang223 commented on code in PR #32438:
URL: https://github.com/apache/doris/pull/32438#discussion_r1529826609
##########
be/src/vec/exec/format/parquet/vparquet_column_reader.cpp:
##########
@@ -728,28 +729,40 @@ Status StructColumnReader::read_column_data(ColumnPtr&
doris_column, DataTypePtr
}
auto& doris_struct = static_cast<ColumnStruct&>(*data_column);
- if (_child_readers.size() != doris_struct.tuple_size()) {
- return Status::InternalError("Wrong number of struct fields");
- }
const DataTypeStruct* doris_struct_type =
reinterpret_cast<const
DataTypeStruct*>(remove_nullable(type).get());
- for (int i = 0; i < doris_struct.tuple_size(); ++i) {
+
+ bool least_one_reader = false;
+ size_t least_one_idx = 0;
+ std::vector<size_t> missing_column_idxs {};
+
+ for (size_t i = 0; i < doris_struct.tuple_size(); ++i) {
ColumnPtr& doris_field = doris_struct.get_column_ptr(i);
DataTypePtr& doris_type =
const_cast<DataTypePtr&>(doris_struct_type->get_element(i));
+ String& doris_name =
const_cast<String&>(doris_struct_type->get_element_name(i));
Review Comment:
It seems that sql like this is not supported yet:
```sql
select sf.f1 from struct_test;
```
The result is:
```sql
ERROR 1054 (42S22): errCode = 2, detailMessage = Unknown column 'f1' in 'sf'
```
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