yjhjstz opened a new issue, #1309:
URL: https://github.com/apache/cloudberry/issues/1309
### Apache Cloudberry version
main
### What happened
orca result error
### What you think should happen instead
_No response_
### How to reproduce
CREATE TABLE count_empty (a int, b int);
CREATE TABLE count_one (a int, b int);
INSERT INTO count_one VALUES (0, 0);
-- optimizer=off：
SET optimizer=off;
SELECT *
FROM count_one
WHERE count_one.a IN (
SELECT COUNT(*)
FROM count_empty
WHERE count_one.b = count_empty.b
);
a | b
---+---
0 | 0
(1 row)
-- optimizer=on：
SET optimizer=on;
SELECT *
FROM count_one
WHERE count_one.a IN (
SELECT COUNT(*)
FROM count_empty
WHERE count_one.b = count_empty.b
);
a | b
---+---
(0 rows)
### Operating System
centos 9
### Anything else
_No response_
### Are you willing to submit PR?
- [x] Yes, I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of
Conduct](https://github.com/apache/cloudberry/blob/main/CODE_OF_CONDUCT.md).
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