[PR] test: cover cluster-scope query, entity mapping, purge and round trip in MybatisPlusMetricSnapshotRepository [rocketmq-dashboard]

["yyqdbngt (via GitHub)" <gi...@apache.org>]

yyqdbngt opened a new pull request, #3449:
URL: https://github.com/apache/rocketmq-dashboard/pull/3449

   ### Summary
   
   `MybatisPlusMetricSnapshotRepository` persists recent metric samples with hashed labels, queries by scope and purges rows older than a cutoff. The suite covered the transactional annotation and the null-cluster query only.
   
   ### Changes
   
   - A cluster-scoped query adds a `cluster_id =` predicate instead of `IS NULL`
   - `saveAll` inserts entities with a 64-hex labels hash, JSON labels, value and availability
   - `deleteBefore` returns the deleted row count from the age-based purge
   - `findRecent` round-trips a stored entity back to a `MetricSample` with parsed labels
   
   ### Testing
   
   `mvn test -Dtest=MybatisPlusMetricSnapshotRepositoryTest` passes: 6 tests, 0 failures (up from 2).


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Re: [PR] test: cover cluster-scope query, entity mapping, purge and round trip in MybatisPlusMetricSnapshotRepository [rocketmq-dashboard]

["lizhimins (via GitHub)" <gi...@apache.org>]

lizhimins closed pull request #3449: test: cover cluster-scope query, entity mapping, purge and round trip in MybatisPlusMetricSnapshotRepository
URL: https://github.com/apache/rocketmq-dashboard/pull/3449


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