eldenmoon opened a new pull request, #63182:
URL: https://github.com/apache/doris/pull/63182
### What problem does this PR solve?
Issue Number: close #48122
Related PR: N/A
Problem Summary: Allow MOW unique flexible partial update loads to patch
VARIANT object paths while preserving undeclared paths, including duplicate-key
batching and publish conflict replay. V1 accepts JSON object patches only and
rejects root scalar/array/null values and doc-mode VARIANT columns.
### Release note
MOW unique tables can use JSON flexible partial update loads to patch object
fields inside VARIANT columns.
### Check List (For Author)
- Test: Unit Test and Regression test
- `build-support/clang-format.sh`
- `git diff --check 058d97897f611b0bf68965d073a5888aafba9805...HEAD`
- `./build.sh --be --fe`
- `./run-be-ut.sh --run --filter='VariantUtilTest.*VariantPatch*'`
- `./run-regression-test.sh --run --conf tmp/regression-conf.auto.groovy
-d unique_with_mow_p0/flexible -s test_flexible_partial_update_variant`
- `./run-regression-test.sh --run --conf tmp/regression-conf.auto.groovy
-d unique_with_mow_p0/flexible/publish -s
test_flexible_partial_update_variant_publish_conflict`
- `./run-regression-test.sh --run --conf tmp/regression-conf.auto.groovy
-d unique_with_mow_p0/flexible -s test_flexible_partial_update_restricts`
- `./run-regression-test.sh --run --conf tmp/regression-conf.auto.groovy
-d load_p0/routine_load -s test_routine_load_flexible_partial_update`
- `build-support/run-clang-tidy.sh --base
058d97897f611b0bf68965d073a5888aafba9805 --build-dir be/build_Release` (blocked
locally by existing/toolchain include issues: `stddef.h` not found, `types.h`
unmatched `NOLINTEND`, and BE test include resolution under the Release compile
database)
- Behavior changed: Yes. JSON flexible partial update on MOW unique tables
now merges declared VARIANT object paths and preserves undeclared paths;
non-object VARIANT flexible patches and doc-mode VARIANT columns are rejected
in v1.
- Does this need documentation: No
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