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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/10/12 09:54:31 UTC
[GitHub] [doris] xy720 opened a new pull request, #13324: [Bug](array-type) Fix cast null to array make be core
xy720 opened a new pull request, #13324:
URL: https://github.com/apache/doris/pull/13324
# Proposed changes
Doris do not support explicitly cast NULL_TYPE to ANY type .
So we should also forbid user from casting NULL_TYPE to ARRAY type.
This commit will produce the following effect:
```
mysql> select cast(NULL as int);
ERROR 1105 (HY000): errCode = 2, detailMessage = Invalid type cast of NULL from NULL_TYPE to INT
mysql> select cast(NULL as array<int>);
ERROR 1105 (HY000): errCode = 2, detailMessage = Invalid type cast of NULL from NULL_TYPE to ARRAY<INT(11)>
```
## 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 [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] morningman merged pull request #13324: [Bug](array-type) Fix cast null to array make be core
Posted by GitBox <gi...@apache.org>.
morningman merged PR #13324:
URL: https://github.com/apache/doris/pull/13324
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