{
  "date": "2026-10-19",
  "baseline": "adbdafe4d125b40eeea3b995c0eb40591615e0bc",
  "native_library_sha256": "a8bf912546404c4783691999c06cb7ca006db09192b666b2ed558c4287d0c9af",
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    "src/main/java/tech/streamfusion/planner/TableFunctionMatcher.java": "388d4d4fb8d0b17e9b9554763539d510fe576cf9181edc26d5670ac64ee4bba7",
    "src/test/java/tech/streamfusion/FlinkTypedTableFunctionSqlHarnessTest.java": "1f32a654e9d4054013cfaeae4160e2cf09cfb1e4f2d2a484a57206c2a7d42167",
    "src/test/java/tech/streamfusion/TypedTableFunctionBenchmark.java": "ccf94e59c0876979507753cbe21cdae1fe14eee3a30adabf0e4e385ab8864791",
    "src/test/java/tech/streamfusion/StatefulSqlRescaleTest.java": "b069f2cdf74669def30743b317246855607cbd496ac53189fc373def9ac0e700"
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    "flink22": "2.2.1",
    "flink118": "1.18.1",
    "jdk": "17",
    "native": "release + mimalloc; production Rust unchanged",
    "parallelism": 1,
    "heap_gib": 2,
    "batch_rows": 1024,
    "exchange_zero_copy_local": false,
    "group_keys": 64,
    "group_aggregate_phase": "ONE_PHASE",
    "source": "runtime row sequence with precomputed typed values; external Row conversion",
    "sink": "Flink blackhole row sink",
    "timed_boundary": "executeSql through job completion; planning/submission, source, both Arrow transposes, JVM table function, aggregate when present, row sink retained; metrics-cluster boot outside timing",
    "alternation": "engine order flips each pair",
    "contention": "Own cargo benchmark build suspended during unprofiled whole-job timings; separate-JVM controls retain drift"
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  "admission": "Maintainer explicitly accepted submitting parity-verified coverage after CPU profiling and two measured optimization passes; added types enabled by default with an opt-out. No standalone acceleration claim.",
  "followup": "https://github.com/datafusion-contrib/StreamFusion/issues/425",
  "prototypes": "Lazy RowKind sidecar and wide-decimal binary exit both removed; 2 focused ownership checks passed for latter. Three measured pairs are diagnostic and their ranges overlap.",
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