HappenLee commented on code in PR #12970:
URL: https://github.com/apache/doris/pull/12970#discussion_r981044071
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be/src/vec/runtime/vparquet_writer.cpp:
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@@ -215,58 +225,64 @@ Status VParquetWriterWrapper::write(const Block& block) {
parquet::RowGroupWriter* rgWriter = get_rg_writer();
parquet::Int32Writer* col_writer =
static_cast<parquet::Int32Writer*>(rgWriter->column(i));
- int32_t default_int32 = 0;
if (null_map != nullptr) {
+ auto& null_data = assert_cast<const
ColumnUInt8&>(*null_map).get_data();
if (const auto* nested_column =
check_and_get_column<const
ColumnVector<Int32>>(col)) {
for (size_t row_id = 0; row_id < sz; row_id++) {
Review Comment:
`def_level[row_id] = (bool) null_data[row_id] == 0` may SIMD
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