[spark] fix Merge Into unstable tests #6912
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+1 Thanks @wayneli-vt |
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jerry-024
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Dec 29, 2025
* upstream/master: (51 commits) [test] Fix unstable test: handle MiniCluster shutdown gracefully in collect method (apache#6913) [python] fix ray dataset not lazy loading issue when parallelism = 1 (apache#6916) [core] Refactor ExternalPathProviders abstraction [spark] fix Merge Into unstable tests (apache#6912) [core] Enable Entropy Inject for data file path to prevent being throttled by object storage (apache#6832) [iceberg] support millisecond timestamps in iceberg compatibility mode (apache#6352) [spark] Handle NPE for pushdown aggregate when a datasplit has a null max/min value (apache#6611) [test] Fix unstable case testLimitPushDown [core] Refactor row id pushdown to DataEvolutionFileStoreScan [spark] paimon-spark supports row id push down (apache#6697) [spark] Support compact_database procedure (apache#6328) (apache#6910) [lucene] Fix row count in IndexManifestEntry [test] Remove unstable test: AppendTableITCase.testFlinkMemoryPool [core] Refactor Global index writer and reader for Btree [core] Minor refactor to magic number into footer [core] Support btree global index in paimon-common (apache#6869) [spark] Optimize compact for data-evolution table, commit multiple times to avoid out of memory (apache#6907) [rest] Add fromSnapshot to rollback (apache#6905) [test] Fix unstable RowTrackingTestBase test [core] Simplify FileStoreCommitImpl to extract some classes (apache#6904) ...
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Purpose
This PR fixes a flaky unit test caused by Spark’s asynchronous
QueryExecutionListenercallbacks. The previous implementation could iterate over a mutable collection while the listener thread was still appending, leading toConcurrentModificationException. The fix waits for the expected plan viaCountDownLatchbefore asserting.Tests
API and Format
Documentation