yuanfeng0905 opened a new issue #5235:
URL: https://github.com/apache/incubator-doris/issues/5235
BE crash with follow SQL:
```sql
select count(1),max(unix_timestamp(dbus__timestamp)) from xxx
```
unix_timestamp UDF passes the time string by default, but here the
"dbus_timestamp" field is in the timestamp format, and the query operation will
make BE crash.
**crash log:**
```shell
PC: @ 0xd510fe doris::ScalarFnCall::interpret_eval<>()
*** SIGSEGV (@0x0) received by PID 59819 (TID 0x7f66dc977700) from PID 0;
stack trace: ***
@ 0x7f67330ac340 (unknown)
@ 0xd510fe doris::ScalarFnCall::interpret_eval<>()
@ 0xd4b298 doris::ScalarFnCall::get_datetime_val()
@ 0xd38d21 doris::ExprContext::get_value()
@ 0xd4ec90 doris::ScalarFnCall::interpret_eval<>()
@ 0xd387df doris::ExprContext::get_value()
@ 0x156885c doris::NewAggFnEvaluator::Update()
@ 0x14db676 doris::PartitionedAggregationNode::UpdateTuple()
@ 0x14e5fc3
doris::PartitionedAggregationNode::ProcessBatchNoGrouping()
@ 0x14e1335 doris::PartitionedAggregationNode::open()
@ 0x1023053 doris::PlanFragmentExecutor::open_internal()
@ 0x102381c doris::PlanFragmentExecutor::open()
@ 0xfb40f7 doris::FragmentExecState::execute()
@ 0xfb5bb6 doris::FragmentMgr::exec_actual()
@ 0xfbc884
boost::detail::function::void_function_obj_invoker0<>::invoke()
@ 0xf88095 doris::PriorityThreadPool::work_thread()
@ 0x1a3e37d thread_proxy
@ 0x7f6732e61dd5 start_thread
@ 0x7f673317402d __clone
```
Doris version: 0.12.21
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