github-actions[bot] commented on code in PR #39483:
URL: https://github.com/apache/doris/pull/39483#discussion_r1719515999
##########
be/src/olap/schema_change.cpp:
##########
@@ -777,6 +777,7 @@ SchemaChangeJob::SchemaChangeJob(StorageEngine&
local_storage_engine,
// The admin should upgrade all BE and then upgrade FE.
// Should delete the old code after upgrade finished.
Status SchemaChangeJob::_do_process_alter_tablet(const TAlterTabletReqV2&
request) {
Review Comment:
warning: function '_do_process_alter_tablet' has cognitive complexity of 66
(threshold 50) [readability-function-cognitive-complexity]
```cpp
Status SchemaChangeJob::_do_process_alter_tablet(const TAlterTabletReqV2&
request) {
^
```
<details>
<summary>Additional context</summary>
**be/src/olap/schema_change.cpp:779:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
DBUG_EXECUTE_IF("SchemaChangeJob._do_process_alter_tablet.sleep", {
sleep(10); })
^
```
**be/src/util/debug_points.h:36:** expanded from macro 'DBUG_EXECUTE_IF'
```cpp
if (UNLIKELY(config::enable_debug_points)) {
\
^
```
**be/src/olap/schema_change.cpp:779:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
DBUG_EXECUTE_IF("SchemaChangeJob._do_process_alter_tablet.sleep", {
sleep(10); })
^
```
**be/src/util/debug_points.h:38:** expanded from macro 'DBUG_EXECUTE_IF'
```cpp
if (dp) {
\
^
```
**be/src/olap/schema_change.cpp:785:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
if (_new_tablet->tablet_state() != TABLET_NOTREADY) {
^
```
**be/src/olap/schema_change.cpp:806:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
if (!base_migration_rlock.owns_lock()) {
^
```
**be/src/olap/schema_change.cpp:811:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
if (!new_migration_rlock.owns_lock()) {
^
```
**be/src/olap/schema_change.cpp:833:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
for (int i = 0; i < num_cols; ++i) {
^
```
**be/src/olap/schema_change.cpp:843:** nesting level increased to 1
```cpp
SCOPED_SIMPLE_TRACE_IF_TIMEOUT(TRACE_TABLET_LOCK_THRESHOLD);
^
```
**be/src/util/trace.h:31:** expanded from macro
'SCOPED_SIMPLE_TRACE_IF_TIMEOUT'
```cpp
SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT(timeout, LOG(WARNING))
^
```
**be/src/util/trace.h:43:** expanded from macro
'SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT'
```cpp
SCOPED_CLEANUP({
\
^
```
**be/src/util/scoped_cleanup.h:33:** expanded from macro 'SCOPED_CLEANUP'
```cpp
auto VARNAME_LINENUM(scoped_cleanup) = MakeScopedCleanup([&] { func_body
});
^
```
**be/src/olap/schema_change.cpp:843:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
SCOPED_SIMPLE_TRACE_IF_TIMEOUT(TRACE_TABLET_LOCK_THRESHOLD);
^
```
**be/src/util/trace.h:31:** expanded from macro
'SCOPED_SIMPLE_TRACE_IF_TIMEOUT'
```cpp
SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT(timeout, LOG(WARNING))
^
```
**be/src/util/trace.h:48:** expanded from macro
'SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT'
```cpp
if (VARNAME_LINENUM(cost_us) >= VARNAME_LINENUM(timeout_us)) {
\
^
```
**be/src/olap/schema_change.cpp:846:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
do {
^
```
**be/src/olap/schema_change.cpp:850:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:855:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
DBUG_EXECUTE_IF("SchemaChangeJob.process_alter_tablet.alter_fail", {
^
```
**be/src/util/debug_points.h:36:** expanded from macro 'DBUG_EXECUTE_IF'
```cpp
if (UNLIKELY(config::enable_debug_points)) {
\
^
```
**be/src/olap/schema_change.cpp:855:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
DBUG_EXECUTE_IF("SchemaChangeJob.process_alter_tablet.alter_fail", {
^
```
**be/src/util/debug_points.h:38:** expanded from macro 'DBUG_EXECUTE_IF'
```cpp
if (dp) {
\
^
```
**be/src/olap/schema_change.cpp:864:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (max_rowset == nullptr || max_rowset->end_version() <
request.alter_version) {
^
```
**be/src/olap/schema_change.cpp:864:** +1
```cpp
if (max_rowset == nullptr || max_rowset->end_version() <
request.alter_version) {
^
```
**be/src/olap/schema_change.cpp:867:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
(max_rowset == nullptr ? 0 :
max_rowset->end_version()),
^
```
**be/src/olap/schema_change.cpp:897:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
RETURN_IF_ERROR(_new_tablet->modify_rowsets(empty_vec,
rowsets_to_delete));
^
```
**be/src/common/status.h:628:** expanded from macro 'RETURN_IF_ERROR'
```cpp
do { \
^
```
**be/src/olap/schema_change.cpp:897:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
RETURN_IF_ERROR(_new_tablet->modify_rowsets(empty_vec,
rowsets_to_delete));
^
```
**be/src/common/status.h:630:** expanded from macro 'RETURN_IF_ERROR'
```cpp
if (UNLIKELY(!_status_.ok())) { \
^
```
**be/src/olap/schema_change.cpp:914:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
RETURN_IF_ERROR(
^
```
**be/src/common/status.h:628:** expanded from macro 'RETURN_IF_ERROR'
```cpp
do { \
^
```
**be/src/olap/schema_change.cpp:914:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
RETURN_IF_ERROR(
^
```
**be/src/common/status.h:630:** expanded from macro 'RETURN_IF_ERROR'
```cpp
if (UNLIKELY(!_status_.ok())) { \
^
```
**be/src/olap/schema_change.cpp:916:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (rs_splits.empty()) {
^
```
**be/src/olap/schema_change.cpp:932:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:958:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
do {
^
```
**be/src/olap/schema_change.cpp:959:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:964:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
RETURN_IF_ERROR(
^
```
**be/src/common/status.h:628:** expanded from macro 'RETURN_IF_ERROR'
```cpp
do { \
^
```
**be/src/olap/schema_change.cpp:964:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
RETURN_IF_ERROR(
^
```
**be/src/common/status.h:630:** expanded from macro 'RETURN_IF_ERROR'
```cpp
if (UNLIKELY(!_status_.ok())) { \
^
```
**be/src/olap/schema_change.cpp:973:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
switch (request.alter_tablet_type) {
^
```
**be/src/olap/schema_change.cpp:984:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (request.__isset.materialized_view_params) {
^
```
**be/src/olap/schema_change.cpp:1008:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:1014:** +2, including nesting penalty of 1,
nesting level increased to 2
```cpp
if (_new_tablet->keys_type() == UNIQUE_KEYS &&
^
```
**be/src/olap/schema_change.cpp:1017:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:1020:** +1, nesting level increased to 2
```cpp
} else {
^
```
**be/src/olap/schema_change.cpp:1023:** nesting level increased to 3
```cpp
SCOPED_SIMPLE_TRACE_IF_TIMEOUT(TRACE_TABLET_LOCK_THRESHOLD);
^
```
**be/src/util/trace.h:31:** expanded from macro
'SCOPED_SIMPLE_TRACE_IF_TIMEOUT'
```cpp
SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT(timeout, LOG(WARNING))
^
```
**be/src/util/trace.h:43:** expanded from macro
'SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT'
```cpp
SCOPED_CLEANUP({
\
^
```
**be/src/util/scoped_cleanup.h:33:** expanded from macro 'SCOPED_CLEANUP'
```cpp
auto VARNAME_LINENUM(scoped_cleanup) = MakeScopedCleanup([&] { func_body
});
^
```
**be/src/olap/schema_change.cpp:1023:** +4, including nesting penalty of 3,
nesting level increased to 4
```cpp
SCOPED_SIMPLE_TRACE_IF_TIMEOUT(TRACE_TABLET_LOCK_THRESHOLD);
^
```
**be/src/util/trace.h:31:** expanded from macro
'SCOPED_SIMPLE_TRACE_IF_TIMEOUT'
```cpp
SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT(timeout, LOG(WARNING))
^
```
**be/src/util/trace.h:48:** expanded from macro
'SCOPED_SIMPLE_TRACE_TO_STREAM_IF_TIMEOUT'
```cpp
if (VARNAME_LINENUM(cost_us) >= VARNAME_LINENUM(timeout_us)) {
\
^
```
**be/src/olap/schema_change.cpp:1025:** +3, including nesting penalty of 2,
nesting level increased to 3
```cpp
if (!res) {
^
```
**be/src/olap/schema_change.cpp:1032:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
if (res) {
^
```
**be/src/olap/schema_change.cpp:1039:** +1, including nesting penalty of 0,
nesting level increased to 1
```cpp
if (!res) {
^
```
</details>
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