{
  "date": "2026-10-16",
  "issue": 237,
  "production_revision": "04549f703fdc2b1f9591d8195a50bebeacaddc98",
  "test_source": "src/test/java/tech/streamfusion/FlinkNestedScalarRecoveryTest.java",
  "test_source_sha256": "bfb970d0d50db19ecdd5dbeded18539e927f3d92a1c82309553a1a6334a7adb2",
  "native_sha256": "acf7e95b8a2170af17817b75c9f7a5938237d93a0197f1321550a18ddf4af140",
  "configuration": {
    "java": 17,
    "backends": [
      "hashmap",
      "tech.streamfusion.state.RocksDBNativeStateBackendFactory"
    ],
    "parallelism": [
      1,
      3
    ],
    "rows": 48,
    "failure_after_completed_source_offsets": [
      12,
      32
    ],
    "object_reuse": true,
    "transpose_batch_rows": 5,
    "nested_row_kinds": [
      "INSERT",
      "UPDATE_BEFORE",
      "UPDATE_AFTER",
      "DELETE"
    ],
    "values": [
      "NULL nested rows",
      "NULL fields, arrays and array elements",
      "long Unicode strings",
      "identity result kinds",
      "mutable Row/array results"
    ]
  },
  "checks": [
    "Stock uninterrupted versus native twice-recovered result multiset and resolved schema",
    "Exactly 48 output records",
    "Actual NativeCalc consumed rows",
    "Source failures only after completed checkpoints; exact restored offsets12 and32",
    "Completed source and no active source after collection"
  ],
  "limitations": [
    "The query EXPLAIN precedes its sink; sink-side transpose admission is covered by the complete-job benchmark, not asserted from this open query plan.",
    "The 1.18 candidate is a copied-source compatibility worktree, with matching candidate production Java and pinned native library.",
    "Separate planner/task JVM configuration and throughput admission remain pending."
  ],
  "suites": [
    {
      "flink_line": "2.2.1",
      "passed": 4,
      "skipped": 0,
      "proof": [
        "[nested-recovery-proof] backend=hashmap parallelism=1 observations=[{failedAfterCheckpoint=false, restoredOffsets=[], emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48]}, {failedAfterCheckpoint=true, restoredOffsets=[12, 32], emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48]}]",
        "[nested-recovery-proof] backend=hashmap parallelism=3 observations=[{failedAfterCheckpoint=false, restoredOffsets=[], emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48]}, {failedAfterCheckpoint=true, restoredOffsets=[12, 32], emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48]}]",
        "[nested-recovery-proof] backend=tech.streamfusion.state.RocksDBNativeStateBackendFactory parallelism=1 observations=[{failedAfterCheckpoint=false, restoredOffsets=[], emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48]}, {failedAfterCheckpoint=true, restoredOffsets=[12, 32], emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48]}]",
        "[nested-recovery-proof] backend=tech.streamfusion.state.RocksDBNativeStateBackendFactory parallelism=3 observations=[{failedAfterCheckpoint=false, restoredOffsets=[], emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48]}, {failedAfterCheckpoint=true, restoredOffsets=[12, 32], emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48]}]"
      ],
      "artifacts": [
        {
          "file": "nested-scalar-recovery-2026-10-16-22.log.gz",
          "sha256": "608d4eba13f8c60abc10eb8803ed6deb9323a59b696ecd0902c14b9bb3ca9e0a"
        },
        {
          "file": "nested-scalar-recovery-2026-10-16-22-compile.log.gz",
          "sha256": "ac42c7654bcbf3e1d0db646699f82b84456a1a46a26ef38edd83e6d0c7a39be7"
        },
        {
          "file": "nested-scalar-recovery-2026-10-16-22-report.txt.gz",
          "sha256": "2be3f3da59678efb9515144a120eec41465869c30ab6221a6dd3fcf755c25a00"
        }
      ]
    },
    {
      "flink_line": "1.18.1",
      "passed": 4,
      "skipped": 0,
      "proof": [
        "[nested-recovery-proof] backend=hashmap parallelism=1 observations=[{emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48], failedAfterCheckpoint=false, restoredOffsets=[]}, {emittedWatermarks=[], completedCheckpoints=4, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48], failedAfterCheckpoint=true, restoredOffsets=[12, 32]}]",
        "[nested-recovery-proof] backend=hashmap parallelism=3 observations=[{emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48], failedAfterCheckpoint=false, restoredOffsets=[]}, {emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48], failedAfterCheckpoint=true, restoredOffsets=[12, 32]}]",
        "[nested-recovery-proof] backend=tech.streamfusion.state.RocksDBNativeStateBackendFactory parallelism=1 observations=[{emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48], failedAfterCheckpoint=false, restoredOffsets=[]}, {emittedWatermarks=[], completedCheckpoints=4, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48], failedAfterCheckpoint=true, restoredOffsets=[12, 32]}]",
        "[nested-recovery-proof] backend=tech.streamfusion.state.RocksDBNativeStateBackendFactory parallelism=3 observations=[{emittedWatermarks=[], completedCheckpoints=1, injectedOffsets=[], activeSources=0, restoredSourceOffset=-1, completedOffsets=[48], failedAfterCheckpoint=false, restoredOffsets=[]}, {emittedWatermarks=[], completedCheckpoints=3, injectedOffsets=[12, 32], activeSources=0, restoredSourceOffset=32, completedOffsets=[12, 32, 48], failedAfterCheckpoint=true, restoredOffsets=[12, 32]}]"
      ],
      "artifacts": [
        {
          "file": "nested-scalar-recovery-2026-10-16-118.log.gz",
          "sha256": "a2debd0358a66025ebbf099844751080d7912875d0032c9314a15702f4dabd9b"
        },
        {
          "file": "nested-scalar-recovery-2026-10-16-118-compile.log.gz",
          "sha256": "37f41e66b2859a915a6b67b3048c8ce0983daaa22b8a67bc6b1a5954c9d1e72b"
        },
        {
          "file": "nested-scalar-recovery-2026-10-16-118-report.txt.gz",
          "sha256": "738e188116084efe21e7ee87069ec4bb6307ac267fda636c88d727c944e7e193"
        }
      ]
    }
  ]
}