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• Re: [I] Use arrow cast for hand-rolled temporal unit conversion loops [datafusion-comet] via GitHub
• Re: [PR] fix: rebase lambda params after projection schema changes [datafusion] via GitHub
• Re: [D] DISCUSSION: Boston Datafusion Meetup September 2026 [datafusion] via GitHub
  • Re: [D] DISCUSSION: Boston Datafusion Meetup September 2026 [datafusion] via GitHub
  • Re: [D] DISCUSSION: Boston Datafusion Meetup September 2026 [datafusion] via GitHub
  • Re: [D] DISCUSSION: Boston Datafusion Meetup September 2026 [datafusion] via GitHub
  • Re: [D] DISCUSSION: Boston Datafusion Meetup September 2026 [datafusion] via GitHub
• [I] size, arrays_zip, map_from_arrays and array_append return wrong answers for a nondeterministic child [datafusion-comet] via GitHub
• [PR] fix: derive stage input/output rows from the plan's leaves and root instead of summing every operator [datafusion-ballista] via GitHub
• [PR] feat(scheduler): stage a join's build side before deciding the join [datafusion-ballista] via GitHub
  • Re: [PR] feat(scheduler): stage a join's build side before deciding the join [datafusion-ballista] via GitHub
• Re: [PR] feat(functions-aggregate): make approx_distinct HLL precision configurable [datafusion] via GitHub
• Re: [PR] perf: use columnar state for ordered `ARRAY_AGG` and `STRING_AGG` [datafusion] via GitHub
• Re: [PR] minor: validate config `default_null_ordering` when setting it [datafusion] via GitHub
• [PR] fix: Derive Substrait intersection nullability from every input [datafusion] via GitHub
• Re: [PR] Push down topk through join [datafusion] via GitHub
• [PR] fix(substrait): reject incompatible decimal output types [datafusion] via GitHub
• [PR] fix: roll native Iceberg data files on iceberg-java's 1000-row grid [datafusion-comet] via GitHub
  • Re: [PR] fix: roll native Iceberg data files on iceberg-java's 1000-row grid [datafusion-comet] via GitHub
  • Re: [PR] fix: roll native Iceberg data files on iceberg-java's 1000-row grid [datafusion-comet] via GitHub
• Re: [PR] Add streaming shared subplan example [datafusion] via GitHub
• [PR] fix: match iceberg-java's exception for unclustered input to a clustered Iceberg write [datafusion-comet] via GitHub
  • Re: [PR] fix: match iceberg-java's exception for unclustered input to a clustered Iceberg write [datafusion-comet] via GitHub
  • Re: [PR] fix: match iceberg-java's exception for unclustered input to a clustered Iceberg write [datafusion-comet] via GitHub
• Re: [I] Add AQE test coverage for CometInMemoryTableScanExec [datafusion-comet] via GitHub
• [PR] fix: Set Substrait output_type on aggregate functions [datafusion] via GitHub
• [PR] perf: batch the nested-element list hash instead of slicing per element [datafusion-comet] via GitHub
  • Re: [PR] perf: batch the nested-element list hash instead of slicing per element [datafusion-comet] via GitHub
• [I] Hashing array<struct<..>> is dominated by per-element slicing and dispatch [datafusion-comet] via GitHub
• [PR] Enable more clippy lints (part 3/3) [datafusion] via GitHub
  • Re: [PR] Enable more clippy lints (part 3/3) [datafusion] via GitHub
• [I] Iceberg TestMetadataTablesWithPartitionEvolution.testPartitionColumnNamedPartition returns rows in a different order with native Iceberg writes enabled [datafusion-comet] via GitHub
• [I] Enable TopK dynamic filter pushdown into native Parquet scans [datafusion-comet] via GitHub
  • Re: [I] Enable TopK dynamic filter pushdown into native Parquet scans [datafusion-comet] via GitHub
  • Re: [I] Enable TopK dynamic filter pushdown into native Parquet scans [datafusion-comet] via GitHub
• [I] Support dynamic filter pushdown from ungrouped MIN/MAX into native Parquet scans [datafusion-comet] via GitHub
  • Re: [I] Support dynamic filter pushdown from ungrouped MIN/MAX into native Parquet scans [datafusion-comet] via GitHub
  • Re: [I] Support dynamic filter pushdown from ungrouped MIN/MAX into native Parquet scans [datafusion-comet] via GitHub
• Re: [I] Discussion: API for Join Access Path and Join Order Selection [datafusion] via GitHub
• Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet] via GitHub
  • Re: [PR] fix: support Utf8/LargeUtf8/Utf8View in native RLike without panicking [datafusion-comet] via GitHub
• [PR] fix: null-aware anti join could emit rows after a sibling probe partition saw NULL [datafusion] via GitHub
  • Re: [PR] fix: null-aware anti join could emit rows after a sibling probe partition saw NULL [datafusion] via GitHub
  • Re: [PR] fix: null-aware anti join could emit rows after a sibling probe partition saw NULL [datafusion] via GitHub
• [I] `PhysicalExtensionCodec` should take a `PhysicalPlanDecodeContext` instead of a `TaskContext` [datafusion] via GitHub
  • Re: [I] `PhysicalExtensionCodec` should take a `PhysicalPlanDecodeContext` instead of a `TaskContext` [datafusion] via GitHub
• Re: [PR] perf: Optimize string split functions and avoid intermediate heap allocations [datafusion-comet] via GitHub
• [I] `map[k]` panics when key type is list and key is absent [datafusion] via GitHub
• [PR] perf: demonstrate nested struct statistics pruning [datafusion-comet] via GitHub
• [I] CI takes hours to start [datafusion] via GitHub
  • Re: [I] CI takes hours to start [datafusion] via GitHub
  • Re: [I] CI takes hours to start [datafusion] via GitHub
• [PR] chore: mark partial reduce stream as can handle back pressure (spillable) [datafusion] via GitHub
  • Re: [PR] chore: mark partial reduce stream as can handle back pressure (spillable) [datafusion] via GitHub
• Re: [PR] feat: RR partition with vectorized distribution [datafusion-comet] via GitHub
  • Re: [PR] feat: RR partition with vectorized distribution [datafusion-comet] via GitHub
• [PR] feat: Fix output bytes metric in hash agg [datafusion] via GitHub
  • Re: [PR] feat: Fix output bytes metric in hash agg [datafusion] via GitHub
• Re: [I] Support Apache Celeborn remote shuffle service [datafusion-comet] via GitHub
• Re: [I] [Variant] Normalize marked Variant arrays at the native Parquet boundary [datafusion-comet] via GitHub
• [I] Compute list/map cardinality from offsets for nested lists [datafusion] via GitHub
• Re: [PR] Prepare SQL runner for native benchmark migration [datafusion] via GitHub
  • Re: [PR] Prepare SQL runner for native benchmark migration [datafusion] via GitHub
• Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
  • Re: [I] CI: Merge queue rejects PR even after all tests pass [datafusion] via GitHub
• [I] Cast from `Timestamp(_, None)` to a named timezone errors on DST boundaries [datafusion] via GitHub
  • Re: [I] Cast from `Timestamp(_, None)` to a named timezone errors on DST boundaries [datafusion] via GitHub
• [I] Consolidate map lookup code between `get_field` and `map_extract` [datafusion] via GitHub
• Re: [PR] fix: scope information schema to catalog [datafusion] via GitHub
• [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
  • Re: [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
  • Re: [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
  • Re: [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
  • Re: [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
  • Re: [PR] fix: dispatch Iceberg system functions wrapped as ApplyFunctionExpression [datafusion-comet] via GitHub
• [PR] Enable more clippy lints (part 2/3) [datafusion] via GitHub
  • Re: [PR] Enable more clippy lints (part 2/3) [datafusion] via GitHub
• [PR] perf: skip calendar reconstruction in hour/minute/second and dayofweek/weekday (up to 23x) [datafusion-comet] via GitHub
  • Re: [PR] perf: skip calendar reconstruction in hour/minute/second and dayofweek/weekday (up to 23x) [datafusion-comet] via GitHub
• Re: [I] `datafusion.execution.time_zone` is not used for basic time zone inference [datafusion] via GitHub
  • Re: [I] `datafusion.execution.time_zone` is not used for basic time zone inference [datafusion] via GitHub
  • Re: [I] `datafusion.execution.time_zone` is not used for basic time zone inference [datafusion] via GitHub
• [PR] perf: compute `cardinality` from list/map offsets [datafusion] via GitHub
  • Re: [PR] perf: compute `cardinality` from list/map offsets [datafusion] via GitHub
• [I] Compute list/map cardinality from offsets when possible [datafusion] via GitHub
  • Re: [I] Compute list/map cardinality from offsets when possible [datafusion] via GitHub
• Re: [I] Support row group pruning for struct field predicates [datafusion] via GitHub
• [I] HashJoinExec `probe_hit_rate` metric overcounts probe rows when a probe batch is processed in several chunks [datafusion] via GitHub
  • Re: [I] HashJoinExec `probe_hit_rate` metric overcounts probe rows when a probe batch is processed in several chunks [datafusion] via GitHub
• [PR] fix: preserve computed projections in unions_to_filter [datafusion] via GitHub
  • Re: [PR] fix: preserve computed projections in unions_to_filter [datafusion] via GitHub
  • Re: [PR] fix: preserve computed projections in unions_to_filter [datafusion] via GitHub
  • Re: [PR] fix: preserve computed projections in unions_to_filter [datafusion] via GitHub
  • Re: [PR] fix: preserve computed projections in unions_to_filter [datafusion] via GitHub
• [PR] perf: reduce invariant-check code generation [datafusion] via GitHub
  • Re: [PR] perf: reduce invariant-check code generation [datafusion] via GitHub
• [PR] fix: partial reduce should not propegate input ordering [datafusion] via GitHub
  • Re: [PR] fix: partial reduce should not propegate input ordering [datafusion] via GitHub
• [PR] fix: preserve memory scan fetch during repartitioning [datafusion] via GitHub
  • Re: [PR] fix: preserve memory scan fetch during repartitioning [datafusion] via GitHub
  • Re: [PR] fix: preserve memory scan fetch during repartitioning [datafusion] via GitHub
• Re: [I] Accelerate DataSource V2 writes (AppendDataExec, OverwriteByExpressionExec, OverwritePartitionsDynamicExec) [datafusion-comet] via GitHub
• [I] unions_to_filter drops computed projections and returns wrong results [datafusion] via GitHub
• [PR] fix: remap projected predicates before WindowTopN [datafusion] via GitHub
  • Re: [PR] fix: remap projected predicates before WindowTopN [datafusion] via GitHub
  • Re: [PR] fix: remap projected predicates before WindowTopN [datafusion] via GitHub
• [PR] chore: update version 55.1.0 [datafusion] via GitHub
  • Re: [PR] chore: update version 55.1.0 [datafusion] via GitHub
  • Re: [PR] chore: update version 55.1.0 [datafusion] via GitHub
  • Re: [PR] chore: update version 55.1.0 [datafusion] via GitHub
• [PR] fix: preserve file scan fetch during filter pushdown [datafusion] via GitHub
  • Re: [PR] fix: preserve file scan fetch during filter pushdown [datafusion] via GitHub
  • Re: [PR] fix: preserve file scan fetch during filter pushdown [datafusion] via GitHub
• [PR] fix: preserve window inputs during TopK aggregation [datafusion] via GitHub
  • Re: [PR] fix: preserve window inputs during TopK aggregation [datafusion] via GitHub
• Re: [I] FFI `Session::create_physical_plan` could recurse infinitely [datafusion] via GitHub
• [PR] fix: preserve fetched merges during distribution enforcement [datafusion] via GitHub
  • Re: [PR] fix: preserve fetched merges during distribution enforcement [datafusion] via GitHub
• [I] perf: skip calendar reconstruction in datetime extraction (hour/minute/second, dayofweek/weekday) [datafusion-comet] via GitHub
  • Re: [I] perf: skip calendar reconstruction in datetime extraction (hour/minute/second, dayofweek/weekday) [datafusion-comet] via GitHub
• [PR] chore(deps): bump runs-on/action from 2.3.0 to 2.3.1 [datafusion] via GitHub
• [PR] chore(deps): bump taiki-e/install-action from 2.87.1 to 2.87.6 [datafusion] via GitHub
• [PR] chore(deps): bump zstd from 0.13.3 to 0.14.0 [datafusion] via GitHub
• [PR] chore(deps): bump the all-other-cargo-deps group with 6 updates [datafusion] via GitHub
• [PR] chore(deps): bump the arrow-parquet group with 9 updates [datafusion] via GitHub
  • Re: [PR] chore(deps): bump the arrow-parquet group with 9 updates [datafusion] via GitHub
• [PR] chore(deps-dev): bump webpack from 5.110.1 to 5.110.3 in /datafusion/wasmtest/datafusion-wasm-app in the all-npm-deps group [datafusion] via GitHub
• [PR] fix(proto): preserve Parquet source and sink state [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve Parquet source and sink state [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve Parquet source and sink state [datafusion] via GitHub
• [PR] fix(proto): preserve physical cast expression state [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve physical cast expression state [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve physical cast expression state [datafusion] via GitHub
• [PR] fix(proto): preserve CSV sink writer options [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve CSV sink writer options [datafusion] via GitHub
  • Re: [PR] fix(proto): preserve CSV sink writer options [datafusion] via GitHub
• Re: [I] Destructure proto hooks for FileScanConfig and MemorySourceConfig [datafusion] via GitHub
• [I] COUNT(... ORDER BY ...) can panic or undercount with nullable ordering keys [datafusion] via GitHub
  • Re: [I] COUNT(... ORDER BY ...) can panic or undercount with nullable ordering keys [datafusion] via GitHub
  • Re: [I] COUNT(... ORDER BY ...) can panic or undercount with nullable ordering keys [datafusion] via GitHub
  • [I] COUNT(... ORDER BY ...) can panic or undercount with nullable ordering keys [datafusion] via GitHub
• [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [PR] refactor: share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
• [PR] Add aggregate-internal submetrics [datafusion] via GitHub
  • Re: [PR] Add aggregate-internal submetrics [datafusion] via GitHub
  • Re: [PR] Add aggregate-internal submetrics [datafusion] via GitHub
• [PR] fix: preserve only the maintained input ordering in joins [datafusion] via GitHub
  • Re: [PR] fix: preserve only the maintained input ordering in joins [datafusion] via GitHub
• [I] Incorrect join ordering properties can cause required sorts to be removed [datafusion] via GitHub
  • Re: [I] Incorrect join ordering properties can cause required sorts to be removed [datafusion] via GitHub
• Re: [PR] test: reject hyphenated UDF argument names [datafusion] via GitHub
  • Re: [PR] test: reject hyphenated UDF argument names [datafusion] via GitHub
• Re: [I] Partial AggregateMode will generate duplicate field names from state_fields [datafusion] via GitHub
• [PR] Take the comparison-free fast path in the grouped first/last accumulator when input is pre-ordered [datafusion] via GitHub
  • Re: [PR] Take the comparison-free fast path in the grouped first/last accumulator when input is pre-ordered [datafusion] via GitHub
  • Re: [PR] Perf: Take the comparison-free fast path in the grouped first/last accumulator when input is pre-ordered [datafusion] via GitHub
  • Re: [PR] Perf: Take the comparison-free fast path in the grouped first/last accumulator when input is pre-ordered [datafusion] via GitHub
• [I] Substrait producer omits the required output_type on aggregate functions [datafusion] via GitHub
  • Re: [I] Substrait producer omits the required output_type on aggregate functions [datafusion] via GitHub
• [PR] chore: Fix duplicated word typos in comments and docs [datafusion] via GitHub
  • Re: [PR] chore: Fix duplicated word typos in comments and docs [datafusion] via GitHub
  • Re: [PR] chore: Fix duplicated word typos in comments and docs [datafusion] via GitHub
• [I] Make ordered aggregate spill test deterministic [datafusion] via GitHub
• [PR] chore(ci): bump taiki-e/install-action from 2.87.5 to 2.87.6 [datafusion-ballista] via GitHub
  • Re: [PR] chore(ci): bump taiki-e/install-action from 2.87.5 to 2.87.6 [datafusion-ballista] via GitHub
• [PR] chore(deps): bump aws-config from 1.11.0 to 1.12.0 [datafusion-ballista] via GitHub
  • Re: [PR] chore(deps): bump aws-config from 1.11.0 to 1.12.0 [datafusion-ballista] via GitHub
• Re: [PR] Refine and document AggregateExec metrics [datafusion] via GitHub
  • Re: [PR] Refine and document AggregateExec metrics [datafusion] via GitHub
• Re: [PR] fix: decode invalid UTF-8 at the JVM to native FFI import boundary [datafusion-comet] via GitHub
• [I] Share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [I] Share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [I] Share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [I] Share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
  • Re: [I] Share one helper for pushing a struct's null mask into its children [datafusion-comet] via GitHub
• Re: [PR] feat: add BatchNormalizer: re-chunk data source batches by rows and bytes (target_batch_size_bytes) [datafusion] via GitHub
• Re: [PR] fix: apply single_distinct_to_groupby to aliased DataFrame API aggregates [datafusion] via GitHub
• Re: [PR] fix: infer LIMIT and OFFSET placeholder parameter types [datafusion] via GitHub
• Re: [PR] perf(sort): passthrough last stream that left in `SortPreservingMergeStream` [datafusion] via GitHub
• Re: [PR] perf(sort): fast path for full batch when it sorts before all other streams in `SortPreservingMergeStream` [datafusion] via GitHub
• Re: [PR] Add datafusion-cli features to allow cloud support to be omitted [datafusion] via GitHub
• [PR] fix: accept empty flags in regexp_like and regexp_match [datafusion] via GitHub
  • Re: [PR] fix: accept empty flags in regexp_like and regexp_match [datafusion] via GitHub
  • Re: [PR] fix: accept empty flags in regexp_like and regexp_match [datafusion] via GitHub
• [PR] Bench datetime funcs [datafusion-comet] via GitHub
  • Re: [PR] chore: Add benches for datetime funcs [datafusion-comet] via GitHub
  • Re: [PR] chore: Add benches for datetime funcs [datafusion-comet] via GitHub
• [PR] fix: reject unsupported Substrait aggregation phases [datafusion] via GitHub
  • Re: [PR] fix: reject unsupported Substrait aggregation phases [datafusion] via GitHub
  • Re: [PR] fix: reject unsupported Substrait aggregation phases [datafusion] via GitHub

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