gavinchou opened a new pull request, #61703:
URL: https://github.com/apache/doris/pull/61703
## Proposed changes
Add a new operation `gen_empty_segment` to the meta_tool that allows
generating empty segment files (0 rows). This is useful for testing and
debugging purposes.
### Usage
```bash
./meta_tool --operation=gen_empty_segment [--output_path=/path/to/output]
```
Default output file name: `empty.dat`
### Generated file structure
- Short key index page with 0 keys
- Segment footer with `num_rows=0`
- Total file size: ~47 bytes
### Example output
```
Generated empty segment file: /tmp/empty.dat
- Index page size: 27 bytes
- Footer size: 4 slices, 20 bytes
- Total file size: 47 bytes
- num_rows: 0
```
## Checklist
- [x] I have created an issue and described the feature request.
- [x] I have checked the version labels which the pr will be auto-backported
to the target branch.
- [ ] 3.0
- [ ] 2.1
- [ ] 2.0
- [x] I have added test cases for my feature.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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