WingsGo opened a new issue #3832:
URL: https://github.com/apache/incubator-doris/issues/3832
**Describe the bug**
If we create a table with column type is bitmap and aggregate type is
replace.BE will core during load data.
```
Thu Jun 11 15:23:42 CST 2020: *** Aborted at 1591860222 (unix time) try
"date -d @1591860222" if you are using GNU date ***
Thu Jun 11 15:23:42 CST 2020: PC: @ 0xe974e1
doris::Field::consume()
Thu Jun 11 15:23:42 CST 2020: *** SIGSEGV (@0x18) received by PID 28285 (TID
0x7fb89f22b700) from PID 24; stack trace: ***
Thu Jun 11 15:23:42 CST 2020: @ 0x7fb9222a9250 (unknown)
Thu Jun 11 15:23:42 CST 2020: @ 0xe974e1 doris::Field::consume()
Thu Jun 11 15:23:42 CST 2020: @ 0xec990f doris::MemTable::insert()
Thu Jun 11 15:23:42 CST 2020: @ 0x155ddd6
doris::DeltaWriter::write()
Thu Jun 11 15:23:42 CST 2020: @ 0xfedd76
doris::TabletsChannel::add_batch()
Thu Jun 11 15:23:42 CST 2020: @ 0xfea5c6
doris::LoadChannel::add_batch()
Thu Jun 11 15:23:42 CST 2020: @ 0xfe5bc1
doris::LoadChannelMgr::add_batch()
Thu Jun 11 15:23:42 CST 2020: @ 0x106a5b5
_ZZN5doris20PInternalServiceImplIN4palo16PInternalServiceEE23tablet_writer_add_batchEPN6google8protobuf13RpcControllerEPKNS_28PTabletWriterAddBatchRequestEPNS_27PTabletWriterAddBatchResultEPNS5_7ClosureEENKUlvE_clEv
Thu Jun 11 15:23:42 CST 2020: @ 0xf80105
doris::PriorityThreadPool::work_thread()
Thu Jun 11 15:23:42 CST 2020: @ 0x1a2096d thread_proxy
Thu Jun 11 15:23:42 CST 2020: @ 0x7fb92205fdc5 start_thread
Thu Jun 11 15:23:42 CST 2020: @ 0x7fb92236b73d __clone
```
**To Reproduce**
Steps to reproduce the behavior:
1. create a table
```
CREATE TABLE `xm_stat_addcart_goods_user_minute` (
`stat_date` date NOT NULL DEFAULT "1970-01-01" ,
`c1` bitmap REPLACE NOT NULL,
`c2` datetime REPLACE NOT NULL DEFAULT "1970-01-01 00:00:00"
) ENGINE=OLAP
AGGREGATE KEY(`stat_date`)
DISTRIBUTED BY HASH(`stat_date`) BUCKETS 9
PROPERTIES (
"replication_num" = "3",
"in_memory" = "false",
"storage_format" = "DEFAULT"
);
```
2. load data into this table.
**reason**
https://github.com/apache/incubator-doris/blob/2ce2cf78acc298a094771d1b6df602aeddb3e8d1/be/src/olap/field.h#L41-L76
In class `Field`, the member variable `_agg_info` is initialized by function
`get_aggregate_info`, and if the agg_method is `OLAP_FIELD_AGGREGATION_REPLACE`
and `OLAP_FIELD_TYPE_OBJECT`, it will return `nullptr`, because the pair is not
initialize in _infos_mapping, so we should forbidden the behavior and add more
unit test to test the fucntion `get_aggregate_info` to avoid get nullptr, I
will fix it later.
https://github.com/apache/incubator-doris/blob/2ce2cf78acc298a094771d1b6df602aeddb3e8d1/be/src/olap/aggregate_func.cpp#L39-L47
**Expected behavior**
be not core.
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