jacktengg opened a new pull request, #17297:
URL: https://github.com/apache/doris/pull/17297
# Proposed changes
Issue Number: close #xxx
## Problem summary
min_by decimal type cause BE to coredump in release build:
```
select
id,
min_by (amount, time) pay_amount
FROM
t
GROUP BY
id
```
coredump callstack:
```
start time: Wed Mar 1 15:15:33 CST 2023
WARNING: Logging before InitGoogleLogging() is written to STDERR
I0301 15:15:33.988014 1130487 env.cpp:46] Env init successfully.
I0000 00:00:00.000000 1130487 vlog_is_on.cc:197] RAW: Set VLOG level for "*"
to 10
*** Query id: 0-0 ***
*** Aborted at 1677654998 (unix time) try "date -d @1677654998" if you are
using GNU date ***
*** SIGSEGV unkown detail explain (@0x0) received by PID 1130487 (TID
0x7efb363b1700) from PID 0; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/common/signal_handler.h:428
1# 0x00007F485CEE7400 in /lib64/libc.so.6
2# void doris::AggregateFunctions::maxminby_merge<doris_udf::DecimalV2Val,
doris_udf::BigIntVal, false>(doris_udf::FunctionContext*, doris_udf::StringVal
const&, doris_udf::StringVal*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exprs/aggregate_functions.cpp:603
3# doris::NewAggFnEvaluator::Update(doris::TupleRow const*, doris::Tuple*,
void*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exprs/new_agg_fn_evaluator.cc:403
4# doris::Status
doris::PartitionedAggregationNode::ProcessBatch<false>(doris::RowBatch*,
doris::PartitionedHashTableCtx*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exec/partitioned_aggregation_node.cc:1457
5# doris::PartitionedAggregationNode::open(doris::RuntimeState*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exec/partitioned_aggregation_node.cc:316
6# doris::HashJoinNode::open(doris::RuntimeState*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exec/hash_join_node.cpp:273
7# doris::PartitionedAggregationNode::open(doris::RuntimeState*) at
/mnt/disk1/tengjianping/doris-1.1/be/src/exec/partitioned_aggregation_node.cc:249
8# doris::PlanFragmentExecutor::open_internal() at
/mnt/disk1/tengjianping/doris-1.1/be/src/runtime/plan_fragment_executor.cpp:370
9# doris::PlanFragmentExecutor::open() at
/mnt/disk1/tengjianping/doris-1.1/be/src/runtime/plan_fragment_executor.cpp:261
```
The reason is that `DecimalV2Val` uses __int128, and assignment of __int128
in -O3 release build has aliagnment problem.
## Checklist(Required)
* [ ] Does it affect the original behavior
* [ ] Has unit tests been added
* [ ] Has document been added or modified
* [ ] Does it need to update dependencies
* [ ] Is this PR support rollback (If NO, please explain WHY)
## 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...
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
