jacktengg opened a new pull request, #13299:
URL: https://github.com/apache/doris/pull/13299
# Proposed changes
Issue Number: close #xxx
## Problem summary
How to reproduce:
```
-- DDL
drop TABLE if exists `t`;
CREATE TABLE `t` (
`a` varchar(150) NULL
) ENGINE=OLAP
AGGREGATE KEY(`a`)
DISTRIBUTED BY HASH(`a`) BUCKETS 1
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"bloom_filter_columns" = "a",
"in_memory" = "false",
"storage_format" = "V2"
);
INSERT INTO t values (null), ('b');
select count(1) from t; // result is 2
select count(1) count_not_null from t WHERE a is not null; // expected
result should be 1, but actually is 0
select count(1) count_null from t WHERE a is null; // result is 1
```
Describe your changes.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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