Hongyang66666 opened a new pull request, #58656:
URL: https://github.com/apache/doris/pull/58656
## Proposed changes
Issue Number: close #58523
### Problem
When upgrading Doris from older versions to newer versions, legacy data
might contain empty jsonb values (where `size` is 0).
The current strict validation in `checkAndCreateDocument` throws an
`InvalidArgument` error ("Invalid JSONB document: too small size(0)") when
encountering such data. This causes critical failures during the compaction
process.
### Fix
Modify `be/src/util/jsonb_document.h` to add a compatibility check.
If `size == 0`, the function now returns `Status::OK()` (treating it as a
valid empty/null object) instead of throwing an error. This ensures compaction
and queries can proceed normally on legacy data.
## Check List
- [x] The code has been compiled and tested locally.
- [x] This PR fixes a bug.
- [ ] This PR refactors code.
- [ ] This PR adds a new feature.
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