matrixorigin / matrixorigin/matrixone
[Tech Request]: support read from cache without copy
Open
area/performance
kind/tech-request
needs-triage
priority/p0
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Description
### Is there an existing issue for the same tech request?
- [X] I have checked the existing issues.
### Does this tech request not affect user experience?
- [X] This tech request doesn't affect user experience.
### What would you like to be added ?
```Markdown
1. Don't in place update a read-only vector
2. Always free the vector read from the cache when the pipeline is terminated
3. Attach a sel bitmap to the batch indicating the valid rows
```
### Why is this needed ?
_No response_
### Additional information
_No response_
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Assessment
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