kaka11chen commented on code in PR #38245:
URL: https://github.com/apache/doris/pull/38245#discussion_r1696858669
##########
be/src/vec/data_types/serde/data_type_nullable_serde.cpp:
##########
@@ -138,8 +138,10 @@ Status
DataTypeNullableSerDe::deserialize_column_from_fixed_json(
auto& null_map = col.get_null_map_data();
auto& nested_column = col.get_nested_column();
- null_map.resize_fill(
- rows, null_map.back()); //
data_type_nullable::insert_column_last_value_multiple_times()
+ uint8_t val = null_map.back();
+ size_t new_sz = null_map.size() + rows - 1;
+ null_map.resize_fill(new_sz,
Review Comment:
What about put this line into the following condition?
```
if (rows - 1 != 0) {
}
```
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