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• • Re: [PR] Add `truncated_rows` parameter to `register_csv()` and `read_csv()` [datafusion-python] via GitHub
• [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat : enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat: enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat: enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat: enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat: enable_spark_tests_comet_native_writer [datafusion-comet] via GitHub
  • Re: [PR] feat: Enable native Parquet writer in Spark SQL tests [datafusion-comet] via GitHub
  • Re: [PR] feat: Enable native Parquet writer in Spark SQL tests [datafusion-comet] via GitHub
  • Re: [PR] feat: Enable native Parquet writer in Spark SQL tests [datafusion-comet] via GitHub
  • Re: [PR] feat: Enable native Parquet writer in Spark SQL tests [datafusion-comet] via GitHub
  • Re: [PR] feat: Enable native Parquet writer in Spark SQL tests [datafusion-comet] via GitHub
• Re: [I] Comet 0.13.0 Release (January 2026) [datafusion-comet] via GitHub
• [PR] fix: fix formatting in comet 0.13.0 blog post [datafusion-site] via GitHub
  • Re: [PR] fix: fix formatting in comet 0.13.0 blog post [datafusion-site] via GitHub
• [PR] fix: fix frontmatter for Comet 0.13.0 post [datafusion-site] via GitHub
  • Re: [PR] fix: fix frontmatter for Comet 0.13.0 post [datafusion-site] via GitHub
• [PR] Alamb/consolidate aggreate enu [datafusion] via GitHub
• Re: [I] Standardize microbenchmarks [datafusion-comet] via GitHub
  • Re: [I] Standardize microbenchmarks [datafusion-comet] via GitHub
• Re: [I] PR builds are failing: hashFiles('**/pom.xml') failed [datafusion-comet] via GitHub
• Re: [I] Fix inconsistencies in operator configs for enabling/disabling/allowing incompatible [datafusion-comet] via GitHub
  • Re: [I] Fix inconsistencies in operator configs for enabling/disabling/allowing incompatible [datafusion-comet] via GitHub
• Re: [I] 0.9.2 Release [datafusion-comet] via GitHub
• Re: [I] Implement low-level debugging to show flow of batches through the system [datafusion-comet] via GitHub
  • Re: [I] Implement low-level debugging to show flow of batches through the system [datafusion-comet] via GitHub
• Re: [I] Make iceberg integration tests optional [datafusion-comet] via GitHub
  • Re: [I] Make iceberg integration tests optional [datafusion-comet] via GitHub
• Re: [I] Avoid unnecessary uses of CopyExec in native plan [datafusion-comet] via GitHub
  • Re: [I] Avoid unnecessary uses of CopyExec in native plan [datafusion-comet] via GitHub
• Re: [I] Add support for `abs` [datafusion-comet] via GitHub
  • Re: [I] Add support for `abs` [datafusion-comet] via GitHub
• Re: [I] [EPIC] Observability [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Observability [datafusion-comet] via GitHub
• Re: [I] Set up Comet + Iceberg integration tests in CI [datafusion-comet] via GitHub
  • Re: [I] Set up Comet + Iceberg integration tests in CI [datafusion-comet] via GitHub
• Re: [I] Add Comet to H2O.ai benchmark [datafusion-comet] via GitHub
  • Re: [I] Add Comet to H2O.ai benchmark [datafusion-comet] via GitHub
• Re: [I] Stop running Rust tests in CI for all Java and Spark versions [datafusion-comet] via GitHub
  • Re: [I] Stop running Rust tests in CI for all Java and Spark versions [datafusion-comet] via GitHub
• Re: [I] Fallback reason missing for incompatible casts [datafusion-comet] via GitHub
  • Re: [I] Fallback reason missing for incompatible casts [datafusion-comet] via GitHub
• Re: [I] [EPIC] Improve validation logic and testing for supported data types for expressions [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Improve validation logic and testing for supported data types for expressions [datafusion-comet] via GitHub
• Re: [I] [native_datafusion] Add support for reading arrays [datafusion-comet] via GitHub
  • Re: [I] [native_datafusion] Add support for reading arrays [datafusion-comet] via GitHub
• Re: [I] Allow native shuffle batch size to be configured separately from comet default batch size [datafusion-comet] via GitHub
• Re: [I] Improve SortMergeJoin performance [datafusion-comet] via GitHub
  • Re: [I] Improve SortMergeJoin performance [datafusion-comet] via GitHub
• Re: [I] Implement native parsing of JSON files [datafusion-comet] via GitHub
  • Re: [I] Implement native parsing of JSON files [datafusion-comet] via GitHub
• Re: [I] Avoid unpacking dictionary arrays before performing joins [datafusion-comet] via GitHub
  • Re: [I] Avoid unpacking dictionary arrays before performing joins [datafusion-comet] via GitHub
• Re: [I] Evaluate use of selection vectors in scan-filter-join operations [datafusion-comet] via GitHub
• Re: [I] [EPIC] Improving Performance [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Improving Performance [datafusion-comet] via GitHub
• Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
  • Re: [I] [EPIC] Spark-compatible cast / try_cast operations [datafusion-comet] via GitHub
• Re: [I] Refactor QueryPlanSerde to Use Individual Classes for Expression Translation [datafusion-comet] via GitHub
  • Re: [I] Refactor QueryPlanSerde to Use Individual Classes for Expression Translation [datafusion-comet] via GitHub
• Re: [I] Avoid transition to Comet in some cases if the overhead of R2C and C2R outweighs the benefit [datafusion-comet] via GitHub
  • Re: [I] Avoid transition to Comet in some cases if the overhead of R2C and C2R outweighs the benefit [datafusion-comet] via GitHub
• [I] Expose all CSV read options [datafusion-python] via GitHub
  • Re: [I] Expose all CSV read options [datafusion-python] via GitHub
  • Re: [I] Expose all CSV read options [datafusion-python] via GitHub
• Re: [I] Fall back to Spark if query uses DPP to avoid perf regressions in TPC-DS [datafusion-comet] via GitHub
  • Re: [I] Fall back to Spark if query uses DPP to avoid perf regressions in TPC-DS [datafusion-comet] via GitHub
• Re: [I] Implement native parsing of CSV files [datafusion-comet] via GitHub
  • Re: [I] Implement native parsing of CSV files [datafusion-comet] via GitHub
• Re: [I] Add CometColumnarToRowExec based on Spark ColumnarToRowExec [datafusion-comet] via GitHub
  • Re: [I] Add CometColumnarToRowExec based on Spark ColumnarToRowExec [datafusion-comet] via GitHub
• Re: [I] CI should run rat tests on PRs that only have docs changes [datafusion-comet] via GitHub
  • Re: [I] CI should run rat tests on PRs that only have docs changes [datafusion-comet] via GitHub
• Re: [I] Support RangePartitioning with native shuffle [datafusion-comet] via GitHub
  • Re: [I] Support RangePartitioning with native shuffle [datafusion-comet] via GitHub
• Re: [I] Benchmark and optimize CAST from String to Integer [datafusion-comet] via GitHub
  • Re: [I] Benchmark and optimize CAST from String to Integer [datafusion-comet] via GitHub
• Re: [I] [DISCUSS] DataFusion upgrade policy [datafusion-comet] via GitHub
  • Re: [I] [DISCUSS] DataFusion upgrade policy [datafusion-comet] via GitHub
  • Re: [I] [DISCUSS] DataFusion upgrade policy [datafusion-comet] via GitHub
• [PR] fix: handle mark joins correctly in optimize_projections [datafusion] via GitHub
  • Re: [PR] fix: handle mark joins correctly in optimize_projections [datafusion] via GitHub
  • Re: [PR] fix: handle mark joins correctly in optimize_projections [datafusion] via GitHub
• Re: [I] Document all known incompatibilities [datafusion-comet] via GitHub
  • Re: [I] Document all known incompatibilities [datafusion-comet] via GitHub
• Re: [I] Standardize how we determine if operators are enabled and supported [datafusion-comet] via GitHub
  • Re: [I] Standardize how we determine if operators are enabled and supported [datafusion-comet] via GitHub
• Re: [I] [EPIC] Simplify datetime predicates using "preimages" [datafusion] via GitHub
• Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
  • Re: [PR] WIP: Upgrade DataFusion to arrow-rs/parquet 58.0.0 / `object_store` 13.0.0 [datafusion] via GitHub
• Re: [PR] feat: Per-Partition Plan Building for Native Iceberg Scans [iceberg-rust] [datafusion-comet] via GitHub
  • Re: [PR] feat: Per-Partition Plan Building for Native Iceberg Scans [iceberg-rust] [datafusion-comet] via GitHub
• [I] optimize_projections faild after mark-join involved [datafusion] via GitHub
• Re: [PR] [DRAFT] Extension Type Registry Draft [datafusion] via GitHub
  • Re: [PR] [DRAFT] Extension Type Registry Draft [datafusion] via GitHub
  • Re: [PR] [DRAFT] Extension Type Registry Draft [datafusion] via GitHub
• [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
  • Re: [PR] MSSQL: Support standalone BEGIN...END blocks [datafusion-sqlparser-rs] via GitHub
• [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
  • Re: [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
  • Re: [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
  • Re: [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
  • Re: [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
  • Re: [I] Proposal: Remove CometFuzz module [datafusion-comet] via GitHub
• Re: [PR] fix: hour/minute/second handling for TimestampNTZ [datafusion-comet] via GitHub
  • Re: [PR] fix: hour/minute/second handling for TimestampNTZ [datafusion-comet] via GitHub
  • Re: [PR] fix: hour/minute/second handling for TimestampNTZ [datafusion-comet] via GitHub
  • Re: [PR] fix: hour/minute/second handling for TimestampNTZ [datafusion-comet] via GitHub
• [PR] Reduce number of traversals per node in `PhysicalExprSimplifier` [datafusion] via GitHub
  • Re: [PR] Reduce number of traversals per node in `PhysicalExprSimplifier` [datafusion] via GitHub
• [I] simplify_const_expr traverses expression tree twice when once is enough [datafusion] via GitHub
  • Re: [I] `simplify_const_expr` traverses expression tree twice when once is enough [datafusion] via GitHub
• Re: [PR] feat: enable native_datafusion in auto scan mode [WIP] [IGNORE] [datafusion-comet] via GitHub
  • Re: [PR] feat: enable native_datafusion in auto scan mode [WIP] [IGNORE] [datafusion-comet] via GitHub
• [I] Add Decimal support for `floor` preimage [datafusion] via GitHub
  • Re: [I] Add Decimal support for `floor` preimage [datafusion] via GitHub
  • Re: [I] Add Decimal support for `floor` preimage [datafusion] via GitHub
• Re: [I] [Feature] Support Spark expression: map_contains_key [datafusion-comet] via GitHub
• Re: [D] I tried benchmarking TPC-DS for Spark vs Datafusion Comet on AWS Glue Catalog Iceberg Tables and Spark was faster. [datafusion-comet] via GitHub
  • Re: [D] I tried benchmarking TPC-DS for Spark vs Datafusion Comet on AWS Glue Catalog Iceberg Tables and Spark was faster. [datafusion-comet] via GitHub
• [PR] feat: [WIP] Per-Partition Plan Building for Native Iceberg Scans with DPP [iceberg-rust] [datafusion-comet] via GitHub
  • Re: [PR] feat: [WIP] Per-Partition Plan Building for Native Iceberg Scans with DPP [iceberg-rust] [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg-rust] Iceberg native scan does per-partition task serialization with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg-rust] Iceberg native scan does per-partition task serialization with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg-rust] Iceberg native scan does per-partition task serialization with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg-rust] Iceberg native scan does per-partition task serialization with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg] Iceberg native scan does per-partition task serialization with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg] CometExecRDD supports per-partition plan data, Iceberg native scan with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg] CometExecRDD supports per-partition plan data, Iceberg native scan with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg] CometExecRDD supports per-partition plan data, Iceberg native scan with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: [iceberg] CometExecRDD supports per-partition plan data, Iceberg native scan with DPP [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
  • Re: [PR] feat: CometExecRDD supports per-partition plan data, reduce Iceberg native scan serialization, add DPP [iceberg] [datafusion-comet] via GitHub
• Re: [I] Run Spark tests with Comet native writer [datafusion-comet] via GitHub
  • Re: [I] Run Spark tests with Comet native writer [datafusion-comet] via GitHub
  • Re: [I] Run Spark tests with Comet native writer [datafusion-comet] via GitHub
• [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
  • Re: [PR] Use return_field_from_args in information schema and date_trunc [datafusion] via GitHub
• Re: [I] Information schema should use `return_field_from_args` [datafusion] via GitHub
  • Re: [I] Information schema should use `return_field_from_args` [datafusion] via GitHub
• [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub
  • Re: [I] TPC-DS query 76 becomes much slower as target_partitions goes up [datafusion] via GitHub

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