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1. Commits on Sep 30, 2026

   • chore(deps): bump DataFusion to 55.0.0 (#117)

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     andygrove

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2. Commits on Aug 6, 2026

   • chore(deps): bump DataFusion to 54.1.0 (#114)

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     andygrove

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3. Commits on Jun 13, 2026

   • build: Cargo workspace + native-common extraction (1/6) (#104)

     timsaucer

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4. Commits on Jun 10, 2026

   • feat: add SessionContextBuilder.withSparkFunctions for Spark-compatible functions (#100)

     andygrove

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5. Commits on Jun 9, 2026

   • feat(session): add tableExists and deregisterTable to SessionContext (#102)

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     devoopsman45

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6. Commits on May 26, 2026

   • feat(session): expose disableSpill and maxTempDirectorySize on SessionContextBuilder (#84)

     LantaoJin

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   • feat(substrait): add SessionContext.fromSubstrait gated behind opt-in Cargo feature (#80)

     LantaoJin

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   • feat(dataframe): expose set operations (union, intersect, except) (#67)

     LantaoJin

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7. Commits on May 24, 2026

   • feat(metrics): add SessionContext.memoryUsage and runtimeStats (#85)

     LantaoJin

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   • feat(session): configure DataFusion's built-in CacheManager from Java (#78)

     LantaoJin

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   • feat: typed DataFusionException hierarchy across the JNI boundary (#81)

     LantaoJin

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   • feat(dataframe): expose sort and repartition (#66)

     LantaoJin

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8. Commits on May 22, 2026

   • fix(udf): declare scalar UDF signatures with Field, not ArrowType (#59)

     LantaoJin

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9. Commits on May 21, 2026

   • feat(dataframe): add join, joinOn, and JoinType (#72)

     LantaoJin

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10. Commits on May 20, 2026

    • feat(session): register object_store backends on SessionContextBuilder (#73)

      LantaoJin

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    • feat(dataframe): add schema, explain, cache, and describe introspection methods (#71)

      LantaoJin

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11. Commits on May 19, 2026

    • feat(datasource): add Java-implemented data sources (#65)

      andygrove

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    • feat(dataframe): add writeJson with JsonWriteOptions (#61)

      LantaoJin

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    • feat(avro): expose Avro reader via registerAvro and readAvro (#60)

      LantaoJin

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12. Commits on May 18, 2026

    • feat(dataframe): add executeStream(allocator) for incremental batch iteration (#51)

      LantaoJin

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    • feat(dataframe): add writeCsv with CsvWriteOptions (#53)

      LantaoJin

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    • feat(udf)!: switch ScalarFunction.evaluate to ColumnarValue API (closes #62) (#64)

      andygrove

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    • feat(arrow): expose Arrow IPC reader via registerArrow and readArrow (#52)

      LantaoJin

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    • feat: add Java scalar UDF support (#46)

      andygrove

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13. Commits on May 17, 2026

    • feat(dataframe): expose withColumn and unnestColumns (#54)

      LantaoJin

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    • feat(json): expose NdJsonReadOptions via registerJson and readJson (#47)

      LantaoJin

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14. Commits on May 14, 2026

    • feat(builder): expose ConfigOptions.set/get as setOption / setOptions / getOption (#49)

      LantaoJin

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15. Commits on May 13, 2026

    • feat(dataframe): add limit, distinct, dropColumns, withColumnRenamed (#30)

      andygrove

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    • refactor: pass csv and parquet read options via protobuf (#29)

      andygrove

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    • feat: configure SessionContext and RuntimeEnv via builder (#28)

      andygrove

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    • feat(write): add DataFrame.writeParquet with ParquetWriteOptions (#27)

      andygrove

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    • feat(csv): expose CsvReadOptions via registerCsv and readCsv (#21)

      LantaoJin

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    • feat(proto): execute Java-built protobuf plans via SessionContext (#13)

      andygrove

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    • feat(dataframe): add select/filter/count/show methods (#19)

      andygrove

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    • feat(parquet): expose ParquetReadOptions via registerParquet and readParquet (#18)

      andygrove

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