BiteTheDDDDt opened a new pull request, #27523:
URL: https://github.com/apache/doris/pull/27523
## Proposed changes
add limitation for duplicate expr on materialized view, duplicate expr will
cause planning errors and lead to core dump.
```c++
*** Aborted at 1700795758 (unix time) try "date -d @1700795758" if you are
using GNU date ***
*** Current BE git commitID: ea1c6b53e6 ***
*** SIGABRT unknown detail explain (@0x446000f3df1) received by PID 998897
(TID 1007038 OR 0x7ff4871ad700) from PID 998897; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at
/mnt/disk1/xiaolei/incubator-doris/be/src/common/signal_handler.h:417
1# 0x00007FF914D57400 in /lib64/libc.so.6
2# __GI_raise in /lib64/libc.so.6
3# __GI_abort in /lib64/libc.so.6
4# 0x000055D053A4375D in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
5# 0x000055D053A35A6A in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
6# google::LogMessage::SendToLog() in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
7# google::LogMessage::Flush() in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
8# google::LogMessageFatal::~LogMessageFatal() in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
9# doris::vectorized::ColumnString const&
assert_cast<doris::vectorized::ColumnString const&, doris::vectorized::IColumn
const&>(doris::vectorized::IColumn const&) in
/mnt/disk1/xiaolei/incubator-doris/output/be/lib/doris_be
10# doris::vectorized::ColumnString::insert_from(doris::vectorized::IColumn
const&, unsigned long) at
/mnt/disk1/xiaolei/incubator-doris/be/src/vec/columns/column_string.h:166
11#
doris::MultiBlockMerger::merge(std::vector<std::unique_ptr<doris::vectorized::Block,
std::default_delete<doris::vectorized::Block> >,
std::allocator<std::unique_ptr<doris::vectorized::Block,
std::default_delete<doris::vectorized::Block> > > > const&,
doris::RowsetWriter*, unsigned long*) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:162
12#
doris::VSchemaChangeWithSorting::_internal_sorting(std::vector<std::unique_ptr<doris::vectorized::Block,
std::default_delete<doris::vectorized::Block> >,
std::allocator<std::unique_ptr<doris::vectorized::Block,
std::default_delete<doris::vectorized::Block> > > > const&, doris::Version
const&, long, std::shared_ptr<doris::Tablet>, doris::RowsetTypePB,
doris::SegmentsOverlapPB) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:624
13#
doris::VSchemaChangeWithSorting::_inner_process(std::shared_ptr<doris::RowsetReader>,
doris::RowsetWriter*, std::shared_ptr<doris::Tablet>,
std::shared_ptr<doris::TabletSchema>)::$_1::operator()() const at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:544
14#
doris::VSchemaChangeWithSorting::_inner_process(std::shared_ptr<doris::RowsetReader>,
doris::RowsetWriter*, std::shared_ptr<doris::Tablet>,
std::shared_ptr<doris::TabletSchema>) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:591
15# doris::SchemaChange::process(std::shared_ptr<doris::RowsetReader>,
doris::RowsetWriter*, std::shared_ptr<doris::Tablet>,
std::shared_ptr<doris::Tablet>, std::shared_ptr<doris::TabletSchema>) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.h:118
16#
doris::SchemaChangeHandler::_convert_historical_rowsets(doris::SchemaChangeHandler::SchemaChangeParams
const&) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:1129
17#
doris::SchemaChangeHandler::_do_process_alter_tablet_v2(doris::TAlterTabletReqV2
const&) at /mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:925
18#
doris::SchemaChangeHandler::process_alter_tablet_v2(doris::TAlterTabletReqV2
const&) at /mnt/disk1/xiaolei/incubator-doris/be/src/olap/schema_change.cpp:675
19# doris::EngineAlterTabletTask::execute() at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/task/engine_alter_tablet_task.cpp:51
20# doris::StorageEngine::execute_task(doris::EngineTask*) at
/mnt/disk1/xiaolei/incubator-doris/be/src/olap/storage_engine.cpp:1232
21# doris::AlterTableTaskPool::_alter_tablet(doris::TAgentTaskRequest
const&, long, doris::TTaskType::type, doris::TFinishTaskRequest*) at
/mnt/disk1/xiaolei/incubator-doris/be/src/agent/task_worker_pool.cpp:1792
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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