xiaokang opened a new pull request, #16453:
URL: https://github.com/apache/doris/pull/16453
# Proposed changes
Issue Number: close #16450
## Problem summary
`DeltaWriter::close()` will reset `_mem_table` to nullptr. So if
`DeltaWriter::write()` is called after `close()`, `_mem_table->insert()` will
cause be core.
This PR add _is_closed status to delta_writer and return
`Status::Error<ALREADY_CANCELLED>` on write/close after close.
## 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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