ByteYue opened a new pull request, #13220:
URL: https://github.com/apache/doris/pull/13220
# Proposed changes
Issue Number: close #xxx
## Problem summary
The former logic in replace function didn't check whether the input old str
is empty or not. The `string.find` function of cpp stl would return pos 0,
which would result in an endless string replace logic loop, and end up with OOM.
## Checklist(Required)
1. Does it affect the original behavior:
- [x] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [x] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [x] No
- [ ] 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
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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