github-actions[bot] commented on code in PR #41701:
URL: https://github.com/apache/doris/pull/41701#discussion_r1800999541
##########
be/src/olap/memtable.cpp:
##########
@@ -578,6 +539,200 @@ void MemTable::_aggregate() {
}
}
+template <bool is_final>
+void MemTable::_aggregate_for_flexible_partial_update_without_seq_col(
+ const vectorized::ColumnsWithTypeAndName& block_data,
+ vectorized::MutableBlock& mutable_block, std::vector<RowInBlock*>&
temp_row_in_blocks) {
+ RowInBlock* prev_row = nullptr;
+ int row_pos = -1;
+ auto& skip_bitmaps = assert_cast<vectorized::ColumnBitmap*>(
+
mutable_block.mutable_columns()[_skip_bitmap_col_idx].get())
+ ->get_data();
+ auto& delete_signs = assert_cast<vectorized::ColumnInt8*>(
+
mutable_block.mutable_columns()[_delete_sign_col_idx].get())
+ ->get_data();
+ RowInBlock* row_with_delete_sign {nullptr};
+ RowInBlock* row_without_delete_sign {nullptr};
+
+ auto finalize_rows = [&]() {
+ if (row_with_delete_sign != nullptr) {
+ temp_row_in_blocks.push_back(row_with_delete_sign);
+ _finalize_one_row<is_final, false>(row_with_delete_sign,
block_data, ++row_pos);
+ row_with_delete_sign = nullptr;
+ }
+ if (row_without_delete_sign != nullptr) {
+ temp_row_in_blocks.push_back(row_without_delete_sign);
+ _finalize_one_row<is_final, false>(row_without_delete_sign,
block_data, ++row_pos);
+ row_without_delete_sign = nullptr;
+ }
+ _arena->clear();
+ };
+
+ auto add_row = [&](RowInBlock* row, bool with_delete_sign) {
+ if (with_delete_sign) {
+ row_with_delete_sign = row;
+ } else {
+ row_without_delete_sign = row;
+ }
+ };
+ for (RowInBlock* cur_row : _row_in_blocks) {
+ const BitmapValue& skip_bitmap = skip_bitmaps[cur_row->_row_pos];
+ bool cur_row_has_delete_sign =
(!skip_bitmap.contains(_delete_sign_col_unique_id) &&
+ delete_signs[cur_row->_row_pos] != 0);
+ prev_row =
+ (row_with_delete_sign == nullptr) ? row_without_delete_sign :
row_with_delete_sign;
+ // compare keys, the keys of row_with_delete_sign and
row_without_delete_sign is the same,
+ // choose any of them if it's valid
+ if (prev_row != nullptr && (*_vec_row_comparator)(prev_row, cur_row)
== 0) {
+ if (cur_row_has_delete_sign) {
+ if (row_without_delete_sign != nullptr) {
+ // if there exits row without delete sign, remove it first
+ _clear_row_agg(row_without_delete_sign);
+ _stat.merged_rows++;
+ row_without_delete_sign = nullptr;
+ }
+ // and then unconditionally replace the previous row
+ prev_row = row_with_delete_sign;
+ } else {
+ prev_row = row_without_delete_sign;
+ }
+
+ if (prev_row == nullptr) {
+ add_row(cur_row, cur_row_has_delete_sign);
+ } else {
+ if (!prev_row->has_init_agg()) {
+ _init_row_for_agg(prev_row, mutable_block);
+ }
+ _stat.merged_rows++;
+ _aggregate_two_row_in_block<true>(mutable_block, cur_row,
prev_row);
+ }
+ } else {
+ finalize_rows();
+ add_row(cur_row, cur_row_has_delete_sign);
+ }
+ }
+ // finalize the last lows
+ finalize_rows();
+}
+
+template <bool is_final>
+void MemTable::_aggregate_for_flexible_partial_update_with_seq_col(
Review Comment:
warning: function '_aggregate_for_flexible_partial_update_with_seq_col'
exceeds recommended size/complexity thresholds [readability-function-size]
```cpp
void MemTable::_aggregate_for_flexible_partial_update_with_seq_col(
^
```
<details>
<summary>Additional context</summary>
**be/src/olap/memtable.cpp:618:** 113 lines including whitespace and
comments (threshold 80)
```cpp
void MemTable::_aggregate_for_flexible_partial_update_with_seq_col(
^
```
</details>
##########
be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:
##########
@@ -831,15 +885,20 @@ Status
VerticalSegmentWriter::_generate_flexible_read_plan(
Status VerticalSegmentWriter::_merge_rows_for_sequence_column(
Review Comment:
warning: function '_merge_rows_for_sequence_column' has cognitive complexity
of 74 (threshold 50) [readability-function-cognitive-complexity]
```cpp
Status VerticalSegmentWriter::_merge_rows_for_sequence_column(
^
```
<details>
<summary>Additional context</summary>
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:907:** +1,
including nesting penalty of 0, nesting level increased to 1
```cpp
RETURN_IF_ERROR(_generate_encoded_default_seq_value(
^
```
**be/src/common/status.h:629:** expanded from macro 'RETURN_IF_ERROR'
```cpp
do { \
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:907:** +2,
including nesting penalty of 1, nesting level increased to 2
```cpp
RETURN_IF_ERROR(_generate_encoded_default_seq_value(
^
```
**be/src/common/status.h:631:** expanded from macro 'RETURN_IF_ERROR'
```cpp
if (UNLIKELY(!_status_.ok())) { \
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:918:** nesting
level increased to 1
```cpp
auto get_idx = [](bool with_seq_col, bool has_delete_sign) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:919:** +2,
including nesting penalty of 1, nesting level increased to 2
```cpp
if (!with_seq_col) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:920:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
return (has_delete_sign ? 0 : 1);
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:921:** +1,
nesting level increased to 2
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:922:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
return (has_delete_sign ? 2 : 3);
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:926:** nesting
level increased to 1
```cpp
auto find_rows_to_filter = [&](const std::string& key) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:929:** +2,
including nesting penalty of 1, nesting level increased to 2
```cpp
if (has_row_with_seq_col && has_row_without_seq_col) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:929:** +1
```cpp
if (has_row_with_seq_col && has_row_without_seq_col) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:944:** +1
```cpp
DCHECK(st.is<KEY_NOT_FOUND>() || st.ok());
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:946:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (st.is<KEY_NOT_FOUND>()) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:948:** +1,
nesting level increased to 3
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:953:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (batched_rows[2] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:957:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (batched_rows[3] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:962:** nesting
level increased to 3
```cpp
auto remove_rows_without_seq = [&]() {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:963:** +4,
including nesting penalty of 3, nesting level increased to 4
```cpp
if (batched_rows[0] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:967:** +4,
including nesting penalty of 3, nesting level increased to 4
```cpp
if (batched_rows[1] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:974:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (batched_rows[2] != -1 && batched_rows[3] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:976:** +4,
including nesting penalty of 3, nesting level increased to 4
```cpp
if (previous_seq_slice.compare(Slice
{row_with_delete_sign_encoded_seq_value}) <=
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:979:** +1,
nesting level increased to 4
```cpp
} else if (previous_seq_slice.compare(
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:984:** +1,
nesting level increased to 4
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:990:** +1,
nesting level increased to 3
```cpp
} else if (batched_rows[2] != -1) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:991:** +4,
including nesting penalty of 3, nesting level increased to 4
```cpp
if (previous_seq_slice.compare(Slice
{row_with_delete_sign_encoded_seq_value}) <=
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:994:** +1,
nesting level increased to 4
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:998:** +1,
nesting level increased to 3
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:999:** +4,
including nesting penalty of 3, nesting level increased to 4
```cpp
if (previous_seq_slice.compare(Slice
{row_without_delete_sign_encoded_seq_value}) <=
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1002:** +1,
nesting level increased to 4
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1012:** +1,
including nesting penalty of 0, nesting level increased to 1
```cpp
for (size_t block_pos = data.row_pos; block_pos < data.row_pos +
data.num_rows; block_pos++) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1018:** +1
```cpp
(!skip_bitmap.contains(delete_sign_col_unique_id) &&
delete_signs[block_pos] != 0);
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1021:** +2,
including nesting penalty of 1, nesting level increased to 2
```cpp
if (delta_pos > 0 && previous_key == key) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1021:** +1
```cpp
if (delta_pos > 0 && previous_key == key) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1022:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (!has_same_rows) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1028:** +1,
nesting level increased to 2
```cpp
} else {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1029:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
if (has_same_rows) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1037:** +1,
including nesting penalty of 0, nesting level increased to 1
```cpp
if (has_same_rows) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1040:** +1,
including nesting penalty of 0, nesting level increased to 1
```cpp
if (duplicate_keys > 0) {
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1041:** +2,
including nesting penalty of 1, nesting level increased to 2
```cpp
RETURN_IF_ERROR(_filter_block_for_flexible_partial_update(
^
```
**be/src/common/status.h:629:** expanded from macro 'RETURN_IF_ERROR'
```cpp
do { \
^
```
**be/src/olap/rowset/segment_v2/vertical_segment_writer.cpp:1041:** +3,
including nesting penalty of 2, nesting level increased to 3
```cpp
RETURN_IF_ERROR(_filter_block_for_flexible_partial_update(
^
```
**be/src/common/status.h:631:** expanded from macro 'RETURN_IF_ERROR'
```cpp
if (UNLIKELY(!_status_.ok())) { \
^
```
</details>
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