[fix](serde)fix bug in DataTypeNullableSerDe.deserialize_column_from_…

…fixed_json
apache · Jul 29, 2024 · c0034cf · c0034cf
1 parent 11b332f
commit c0034cf
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/be/src/vec/data_types/serde/data_type_nullable_serde.cpp b/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,
+ val); // data_type_nullable::insert_column_last_value_multiple_times()
  if (rows - 1 != 0) {
  nested_serde->insert_column_last_value_multiple_times(nested_column, rows - 1);
  }