eldenmoon opened a new pull request, #16416:
URL: https://github.com/apache/doris/pull/16416
SlotDescriptor.setColumn before set Column.Type as type, but the real type
could be different from Column.Type when order by with expr like `CAST k1 as
INT` which k1 is VARCHAR type.Example:
```
create table tbl1 (k1 varchar(100), k2 string) distributed by hash(k1)
buckets 1 properties("replication_num" = "1");
insert into tbl1 values(1, "alice");
mysql> select cast(k1 as INT) as id from tbl1 order by id;
+------+
| id |
+------+
| |
+------+
```
the result could be incorrect due to the wrong type of SlotDescriptor
# Proposed changes
Issue Number: close #xxx
## Problem summary
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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