BiteTheDDDDt opened a new pull request, #31787:
URL: https://github.com/apache/doris/pull/31787
## Proposed changes
fix wrong data in mv when routine load with function mapping
```sql
CREATE TABLE `test` (
`event_id` varchar(50) NULL COMMENT '',
`time_stamp` datetime NULL COMMENT '',
`device_id` varchar(150) NULL DEFAULT "" COMMENT ''
) ENGINE=OLAP
DUPLICATE KEY(`event_id`)
DISTRIBUTED BY HASH(`device_id`) BUCKETS AUTO
PROPERTIES (
"replication_allocation" = "tag.location.default: 1"
);
insert into test(event_id,time_stamp,device_id)
values('ad_sdk_request','2024-03-04 00:00:00','a');
create materialized view m_view as select time_stamp, count(device_id) from
test group by time_stamp;
CREATE ROUTINE LOAD test.test ON test
COLUMNS(event_id,time_stamp,device_id,time_stamp=from_unixtime(`time_stamp`))
PROPERTIES
(
"desired_concurrent_number" = "10",
"max_error_number" = "200000",
"max_filter_ratio" = "1.0",
"max_batch_interval" = "10",
"max_batch_rows" = "200000",
"max_batch_size" = "104857600",
"format" = "json",
"strip_outer_array" = "false",
"num_as_string" = "false",
"fuzzy_parse" = "false",
"strict_mode" = "false",
"timezone" = "Asia/Shanghai",
"exec_mem_limit" = "2147483648"
)
FROM KAFKA
(
"kafka_broker_list" = "localhost:9092",
"kafka_topic" = "test"
);
mysql [test]>select * from com_haixingyd_home;
+----------------+---------------------+-----------+
| event_id | time_stamp | device_id |
+----------------+---------------------+-----------+
| ad_sdk_request | 2024-03-04 00:00:00 | a |
| ad_sdk_request | 2007-12-01 00:30:19 | a |
+----------------+---------------------+-----------+
2 rows in set (0.02 sec)
mysql [test]>select * from com_haixingyd_home index m_view;
+---------------------+----------------------------------------------------------+
| mv_time_stamp | mva_SUM__CASE WHEN `device_id` IS NULL THEN 0 ELSE 1
END |
+---------------------+----------------------------------------------------------+
| NULL |
1 |
| 2024-03-04 00:00:00 |
1 |
+---------------------+----------------------------------------------------------+
2 rows in set (0.02 sec)
```
## 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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