liaoxin01 opened a new pull request, #42067:
URL: https://github.com/apache/doris/pull/42067
Aggregating string types with null values may result in incorrect result.
CREATE TABLE `test_scan_keys_with_bool_type` (
`col1` tinyint NOT NULL,
`col2` int NOT NULL,
`col3` tinyint NOT NULL,
`col5` boolean REPLACE NOT NULL,
`col4` datetime(2) REPLACE NOT NULL,
`col6` double REPLACE_IF_NOT_NULL NULL,
`col7` varchar(100) REPLACE_IF_NOT_NULL NULL
) ENGINE=OLAP
AGGREGATE KEY(`col1`, `col2`, `col3`)
DISTRIBUTED BY HASH(`col1`, `col2`, `col3`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"disable_auto_compaction" = "true"
);
insert into test_scan_keys_with_bool_type values
( -100 , 1 , -82 , 1 , '2024-02-16 04:37:37.00' , -1299962421.904282
, NULL ),
( -100 , 0 , -82 , 1 , '2024-02-16 04:37:37.00' , -1299962421.904282
, "hi" ),
( -100 , 1 , 92 , 1 , '2024-02-16 04:37:37.00' , 23423423.0324234
, NULL );
insert into test_scan_keys_with_bool_type values
( -100 , 1 , 1 , 1 , '2024-02-16 04:37:37.00' , -1299962421.904282 ,
"doris" );
MySQL [test]> select * from test_scan_keys_with_bool_type;
+------+------+------+------+------------------------+---------------------+-------+
| col1 | col2 | col3 | col5 | col4 | col6 |
col7 |
+------+------+------+------+------------------------+---------------------+-------+
| -100 | 0 | -82 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
hi |
| -100 | 1 | -82 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
NULL |
| -100 | 1 | 1 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
hidor |
| -100 | 1 | 92 | 1 | 2024-02-16 04:37:37.00 | 23423423.0324234 |
NULL |
+------+------+------+------+------------------------+---------------------+-------+
4 rows in set (0.057 sec)
MySQL [test]> set skip_storage_engine_merge = true; select * from
test_scan_keys_with_bool_type;
+------+------+------+------+------------------------+---------------------+-------+
| col1 | col2 | col3 | col5 | col4 | col6 |
col7 |
+------+------+------+------+------------------------+---------------------+-------+
| -100 | 0 | -82 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
hi |
| -100 | 1 | -82 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
NULL |
| -100 | 1 | 92 | 1 | 2024-02-16 04:37:37.00 | 23423423.0324234 |
NULL |
| -100 | 1 | 1 | 1 | 2024-02-16 04:37:37.00 | -1299962421.9042821 |
doris |
+------+------+------+------+------------------------+---------------------+-------+
4 rows in set (0.023 sec)
https://github.com/apache/doris/pull/33493 By supporting variant type
aggregation, this issue has been resolved.So versions after 2.1 do not have
this issue.
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