xy720 opened a new pull request, #12479:
URL: https://github.com/apache/doris/pull/12479
# Proposed changes
```
mysql> desc array_test;
+-----------+----------------+------+-------+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------+----------------+------+-------+---------+-------+
| id | INT | Yes | true | NULL | |
| c_array | ARRAY<INT(11)> | Yes | false | NULL | NONE |
+-----------+----------------+------+-------+---------+-------+
Before:
mysql> ALTER TABLE array_test ADD COLUMN add_arr_key array<int> key NULL
DEFAULT NULL;
Query OK, 0 rows affected (0.00 sec)
After:
mysql> ALTER TABLE array_test MODIFY COLUMN c_array array<int> key NULL
DEFAULT NULL;
ERROR 1105 (HY000): errCode = 2, detailMessage = Array can only be used in
the non-key column of the duplicate table at present.
```
## Problem summary
Describe your changes.
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [x] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [x] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [x] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [x] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [x] 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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